What causes turbo shaft play

a small ammount of side to side play is ok, but there shouldnt be any up and down shaft play. Fix: Clean exhaust side of turbo, replace turbo, or switch to a fixed geometry unit. Never measured it, but I would guess 10-20 thou would be about normal for a used turbo. 4. Jan 24, 2014 · 3. Poor oil filter maintenance or excessive change intervals. Noticed that trans tail shaft seems extremely loose. I have some radial (side-to-side) wiggle in the shaft. Even so the imbalance forces at speed are not onsignificant. Surging. Can cause the compressor wheel to make contact with the compressor housing if it gets too bad & at high rpm, that isn't what you want. The causes of lack of lubrication can include: Initial run without first priming the turbo with oil, known as “oil lag”. 02 in) for radial play. The bearing on compressor side looks perfectly fine. The Oil Pressure Being Too High, is Never the a Problem Unless The Oil Drain is Not Large Enough To Remove the A spinning shaft in a bearing actually produces an oil pressure, but if the shaft speed is too slow, as shown by the Stribeck curve, that pressure is too low to form a film. John C. I just put on the Td06 and it is blowing oil out of the bov, there is oil in my pipes leading to the intercooler, after the intercooler, leaking out of the throttle body and it is making a crap ton of white/blue some when any type of boost is made. 4L Turbo Intake Manifold PCV Valve Fix Kits The oil in the intercooler pipe could be a sign the seals in the turbo are going bad. Oct 15, 2015 · • The bearing play of the rotating assembly increases due to the worn bushings. the thrust washer of the axial bearing, exhibits grooves. html?source=ytshaftplay25Turbo shaft play and excessive turbo shaft play: what's acceptable? Find out how to repa Feb 12, 2020 · Slop/play where axles enter front diff. Dec 24, 2010 · Play in steering (solved) Well I have seen in the forum that 2 to 3 inches of play in the steering is pretty common with Ford trucks of all ages while trying to solve my own steering problem. If you started the car and hit the gas right away, it WILL kill or damage most turbos. Jul 21, 2023 · As mentioned earlier, one of the most common causes of turbo failure on the 6. There should be play. If it blows bad enough, the wheel (s) can touch the sides of the housings and scrape and make a horrendous noise with a metal on metal sound. The shaft broke on the compressor end, immediately adjacent to the compressor side bearing boss. This can also be normal, and should not necessarily lead to a turbo replacement. 0 FX4 Lariat, SCT Tuner, Full EGR delete with straight up pipe, ARP Studs, Oil Cooler, Coolant Filter, Re-machined heads, OEM Head Gaskets, the whole deal Apr 25, 2016 · The turbo has significant obvious shaft play, and has oil residue all over the casing. Move the impeller shaft fore and aft and record the measurement. 76 Astre 400sbc. I just had my turbo off the other day to drill my manifold for the EGT adaptor, my turbo had play side to side. Replaced driveshaft, ran car without wheels, drums, axles, vibration remains. Let’s take a look at some of the causes of Overspeeding. DieselAutoPower. 6 lb) is alternately applied to both sides of the compressor wheel. 040 endplay you can replace your . If it’s a ball bearing center cartridge, it’ll be the opposite. #2 · Mar 17, 2012. 090 washer on the pump to give you . On 1987-1989 Twin Turbo Corvettes, a boost gauge is located in the left most central A/C duct. Shaft is pretty heat damaged too. 2WD. Hi, I just purchased a new stock BorgWarner turbo to replace the one in my 2011 TDI because it started doing that infamous siren sound and the impeller got damaged from rubbing on the housing. Some people wiggle the shaft and think somethings wrong when it moves 1/2" laterally. Look out for wear (small chips, rough edges ) on the very tips of the compressor blades that give an indication of your air filtration quality over the years, and for rub marks on the alloy turbo housing from scraping outer side blade edges. Dec 16, 2015 · Turbo shaft play is normal and in most cases is nothing to worry about, take a look a the the link below for more information http://www. Lack of Proper Lubrication: Turbochargers require a consistent supply of oil for lubrication and cooling. 5mm (0. Any movement at all is the responsibility of the bearings themselves. 7 Powerstroke are bad shaft bearings. In/out should be zero. S480 by workturbochargers. 5 mm (0. BorgWarner/KKK BV39A-0022 turbo. Not enough airflow from the turbocharger to the in the turbo bearings. Dec 11, 2003 · When I did all my motor work I opened up the turbo to find small pieces missing on the turbine. If either one of those dimensions are exceeded with your inspection, you'll need to replace the turbo or the center housing rotating assembly anyways, depending on Apr 19, 2024 · Oil Residue Around the Turbo: Visible oil or grime buildup around the turbocharger can indicate leaking seals. Aug 24, 2010 · Location. Jun 30, 2018 · - Double reverse chain, New spool, HD output shaft, HD pinion plate, 25% gear reduction, new bearings and seals, and new axles. Aug 18, 2013 · 598 posts · Joined 2012. It felt like a pretty sudden snap or a hard clunck, as if I had secondaries open up up on a four barrel carberator. Oil deprivation is one of the main causes of turbo failure, so it’s vital to keep the oil filled. Aug 5, 2010 · http://www. I have reviewed the broken shaft from Ding's turbo. 9 CTD 4X4 6Spd NV 5600 373 Ratios. 5 nlu, Dana 60 true trac 3. Any in/out play is abnormal and cause for concern (either the thrust bearing or the shaft is worn/damaged). Its all blue and heat damaged. This happens after oil changes all the time. I am concerned about this new turbo because it seems to have just as much, if not more play than my old one. 001 in-oz. Try replacing your turbo oil feed supply screen (filter) as it may be blocked thus starving your turbo of oil. Shaft Play in Turbo: Checking the turbocharger for any play in the shaft can help identify wear or damage before complete failure occurs. Up/down & left/right will move more than in/out. IF the trans is sitting with the bell up use a scribe tool in the input shaft lube hole and screw driver to move the shaft up n down for clearance check. Pertaining to journal bearing turbos anyway. /Golf V TDI, 77 KW, BKC engine. This kind of spooked me, so I pulled the first intercooler boot, and noticed there was a slight oil residue inside - very think like When a bearing is worn, shaft play, a side to side wiggling motion of the shaft occurs. 0015 in. Vortex XL GTI - 545whp/490wtq. Aug 4, 2012 · That shaft needs to "float" on the oil between the shaft & bushing so, they All wiggle some. If it's not hitting the housing (you'd see the marks if you had the housing off or be able to hold it hard-over and feel it scrape if not) or leaking lots of oil behind the wheel, you're OK. May 30, 2013 · 2 Replies. Apr 20, 2013 · 6. As long as the wheels cannot touch the housings, you're . See my other thread about the disaster. since you're raising fuel pressure to make it 4 bar, does that mean people running 4 bar is getting less gas mileage than at 3 bar? with the Feb 8, 2009 · A ball-bearing turbo's bearing assembly is pressed onto the shaft and into the housing so there is no movement between the bearing assembly and the shaft or the bearing assembly and the housing. Turbos this size are typically dynamically balanced to within . Oct 30, 2008. I pulled the intake off the turbo because I felt like it was making some weird sounds when it's spooled. Now that play is huge, partly because 1/2 the shaft is not connected LOL. One thing to keep in mind is that there is no oil in the turbo right now so that allows a bit more play than on your car hooked up. Oct 17, 2010 · Tail Shaft Play in a Turbo 400. Here are some common reasons why a turbocharger might overheat: 1. Golf VI TDI, 77 kW (CAYC) Jun 30, 2012. Also referred to as turbo bark or chirp, compressor surge occurs when intake air actually reverts back out of the compressor. 003". If your bearing wear gets too out of control you will see your turbine and or compressor wheel contacting their housings, and then you will really have a problem. 1990 Eclipse GSX - Sold. So I noticed pretty early on that there was a little play where my front axles go into the diff. Probably about 5mm or 1/4" in any direction. Jul 24, 2015 · Restricted or blocked air intakes can create a vacuum, while a restricted or blocked DPF or Cat can generate excessive backpressure. Jul 25, 2019 · Drilling out threads on turbo exhaust flange and either clocking the compressor housing and making a spring wastegate or using the stock wastegate setup and making a charge pipe from tubing and silicone elbows. You should have very little in and out movement Apr 18, 2008 · When i upgraded to the 50 trim the smoking between shifts went away , so I figured the turbo was ready for a rebuild. May 9, 2014 · Here, you can see an example of heavy wear and polishing damage caused to a turbine shaft and wheel by a lack of oil, either due to a poor supply, or low oil pressure. Besides, lower oil flow further reduces the risk of oil leakage compared to journal-bearing turbochargers. 038 mm (0. My old t04e gave a bit of movement. The fracture characteristic is "cup & cone". It's the same deal with the input shaft. It really felt like passing gear kicked in. Another reason why they crack is due to improper cool down of the turbocharger. Oct 15, 2019 · Normal to have some side play -- the wheel should not touch the housing. ( these are the majority causes of 6. I can wiggle it more than 1/4" back Jul 2, 2013 · HX35 with shaft play. 0036 in) for the endplay, and 0. Dec 4, 2021 · GM 1. If I grab the axle shaft and yank it up and down (that’s what she said) the inner CV cup will move up and down probably a half inch. Depends on the size of the turbo, the size of the bearings and shaft, and type of bearings (full floating hydrodynamic or rolling element). It would be VERY obvious if this were the case. Shimming the pump , check the input shaft for movement. As long as it won't touch the housing, you're probably good. Once the CHRA Oct 30, 2008 · Lifer. The turbo has never seen past five pounds of boost. #1. Ireland. 0035in. If your blades are not touching the housing, not to worry. Zero the indicator at one end of travel. I pretty much broke the very first time I tried get it to boost. maybe less of side to side play. The benefit is seen in improved boost response due to less windage of oil in the bearing. 582 posts · Joined 2010. This is a potentially serious condition that can lead to internal damage or complete failure of the turbine wheel or the turbo Dec 6, 2023 · Without question the most common cause of turbo failure is oil starvation. Be sure the shaft spins freely. So if you remove the driveshaft, the output shaft will move around like that. This in turn causes the shaft to scrape against the inside of the turbo and often produces a high-pitched whine or whizzing noise. car developed a pretty severe drivetrain vibration starting around 75mph and getting progressively worse as speed increases. Mar 11, 2008 · It broke about a 1/4 from the nut on the compressor side. Aug 5, 2021 · The shaft play seems excessive to my untrained hand. 02in). It looks brand new. ) MIN. So, we fired up the car and theres blue smoke. By DCjoe, July Jun 21, 2009 · It will have a little up & down play with no yoke in the rear of the transmission. So I'm needing some answers, As of right now the gaskets and studs Jul 18, 2010 · My 16g has not any forward or rearwards shaft movement though has about 1/8th in. Mar 3, 2011 · There is always some play otherwise no oil could flow and the shaft would seize. May 21, 2009 · Donkey. It moves up and down and side to side about 2 millimeters. There is no vibration when driving and seal dos not leak. With the driveshaft yolk on the output shaft there is about 1/16" up and down and side to side movement in the yolk and a clunk. To catch these issues early, drivers should: May 14, 2006 · is the turbo shaft play a up and down spec, or a back and forth spec. Download the troubleshooting guide below, or if you are looking for step-by-step diagnostic assistance, access our Digital Turbo Diagnostic Mar 11, 2008 · The output shaft slips inside the yoke which rides against the tailshaft bushing. Like there's the normal spool sound but there's also another lower pitched sound. A turbo for a (relatively) large CAT 3612 may have greater axial and radial play specs that a turbo for an 800cc smart car When a bearing is worn, shaft play, a side to side wiggling motion of the shaft occurs. Feb 2, 2020 · 5445 posts · Joined 2008. In my defense, I was unsupervised. Grab a good used hx35w as an upgrade. 2011 Jetta TDI. This will remove some excess oil from the bearings which should provide a more accurate measurement. Damaged, kinked or collapsed oil supply line. However, you said that you don’t have any oil in your intercooler, well other that a normal amount I’ll assume. The increased friction caused by a lack of oil lubrication has caused significant wear on the shaft. Installing my new BHAF this afternoon and I noticed the inlet side of the turbo had a slight bit of oil residue all over the inlet, as well as a tiny puddle in the low spot. 99% of turbos will have a small ammount of shaft play. Wear on piston rings causes your turbo oil leaks 6. Well when I pulled the intake tube off and checked the shaft play, there was a decent amount Dec 20, 2014 · The Oil Pressure Being Too Low, will Cause The Turbo To Wear the Internal Parts of the Turbo. May 27, 2022 · However, a brand-new journal bearing turbocharger should have zero forward and back (from compressor end to turbine end) play. there obviously can be excessive play. Aug 9, 2007 · But I'm just trying to help figure it out as much as you. 1995 Eagle Talon TSi. The turbocharger then has to work outside of its usual operating limit to supply the engine with the air required. Allowable end play is 0. 010 endplay. And so long as there aren’t any witness marks from blade contact in the compressor cover the side to side play is within reason. Only my stocker has the in and out play in the shaft. Jan 17, 2022 · 13454 posts · Joined 2006. 55. The shaft might subsequently break off. If images don't load when clicked press the "view full size" and try a few Dec 29, 2012 · Turbo is out of the truck for a new compressor wheel. / 5. 4l80E, ptc 9. This would isolate the noise to belt driven components. As far as end play or turbo shaft runout, the tolerances on these turbos are very close and what might look like contact on the housing might just be the absence of coking where the clearance is the tightest. Turbine housings can crack from an improper tune which causes high EGT (exhaust temperatures). So we rebuilt the turbo, with a kit from Forced Performance, and plumbed it on his car. Feb 8, 2019 · If your not getting above 18psi it's probably an exhaust leak or a sensor issue. Some play in the turbo shaft with the engine off is normal. 1994 GMC C1500. EDIT: Just checked my service manual, axial end play spec is 0. The engine oil pressure will "float" the bearing and shaft. com/ Compares normal car turbo shaft play vs. Long story short. Nov 13, 2010 · This will give the impression that there is excessive end play at the rear of the case when that is not true. If it does, there’s a high probability that the turbo has some machining errors. A slight amount wobble is acceptable for a Dec 20, 2014 · The Oil Pressure Being Too Low, will Cause The Turbo To Wear the Internal Parts of the Turbo. Install a dial indicator as shown in (Fig. b. After time, these wear down when oil pressure drops for any reason. Oct 21, 2017 · TDI. Side to side is ok if not excessive in and out play would be bad news, but the sounds of it, your fine. Turbochargers are very tight, and a shaft play of more than 1 mm can be disastrous. Just enough to feel, see, and hear. 2001 Ford F-350 Crew Cab 4X4. Too low of speed leads to higher coefficient of friction, more wear, which increases running clearance, meaning you need more speed/pressure/viscosity to form a film Aug 31, 2018 · No idea the limit for IHI, but being able to move it a hair side/side is normal and healthy. 089 mm (0. Jan 16, 2018 · Typically the shaft to bearing clearance is . When you have shaft play on a used turbocharger and would like to diagnose whether it’s within acceptable parameter or it has failed. This shaft has brass (or aluminum) bearing surfaces with oil ports to lubricate. 6. If the transmission is positioned so the input shaft is pointed up the output shaft has to be towards the back of the case. So I went about replacing it. Nov 22, 2019 · Ball-bearing turbochargers can profit from the expansion of an oil restrictor, as most engines convey more weight than a ball-bearing turbo requires. Cause FOD. 9. Insufficient oil in the sump. 4L60E transmission. 091mm (0. It takes a bit of force to make the shaft move, maybe a couple of pounds, firm push with two fingers and thumb. . excessive auto turbocharger shaft play. A failure on the compressor side of the turbo produces a whining noise. 091 mm (0. Use a dial gauge to measure the wheel axial shaft play when a force of 12 N (2. Oct 21, 2017. It also looks like it was kind of rubbing on the side of the housing. Overspeeding is when the engine requires more air than the turbocharger can supply. Eventually, these shaft motions increase to the point where 1 of 3 things happens: 1) the shaft of the turbo fails due to repetative stress fracture (typically at the friction weld between turbine http://www. This is a potentially serious condition that can lead to internal damage or complete failure of the turbine wheel or the turbo Jun 20, 2009 · 1 - 2mm of 'in & out' shaft play is normal but side to side is no good. Imbalance cause excesive loads on thrust assembly, turbo piston rings and turbo bearings 4. This is the shaft segment that the wheel and spacers mount on, not the thin section between the shaft "bearings". It depends. When you add the clearances up you can see you will have some slack. In turn, this has allowed excessive movement of the rotor, pushing it far Possible problem with your turbo? Use our troubleshooting guide to help find a symptom and determine probable cause for all the most common turbocharger maladies as well as what you can do to solve them. V8. com Shaft play is caused by the bearings in the center section of the turbo wearing out over time. A technician may also notice that pulling or pushing on the turbo shaft can cause the turbo blades to hit the housing. Oct 11, 2007 · Too much play would result in the blades rubbing the side of the housing. Manual. 5. This is a potentially serious Oct 6, 2004 · Shaft play comes from worn bearing surfaces as well as a worn turbine shaft. 4 inch SkyJacker lift w/35 inch AT's on Weld Wheels. When the compressor wheel expands, this makes the wheel become unbalanced, which then leads to excessive wear on turbo shaft and bearings. and 0. for acceptable turbo shaft endplay and radial play is 0. Same thing going on inside the spool. Jan 3, 2001 · Jan 3, 2001. 0036in) and radial play is 0. The turbine side, well not too well. 2005 Dodge Ram 5. 97 @ 117. Feb 22, 2008 · A turbo with shot bearings is what causes shaft play. I just want to make sure I don't have a problem with this turbo that I just paid $800 for. Acceptable Turbo Shaft End Play. Crank seal isnt too bad a job to DIY. 93 Chevy with '97 215 47rh 241DHD HE351cw/bht3b (26cm) Con7x12tagious. turborebuild. Journal bearing also has more than Ball Bearing, so 2mm of play IMO is nothing major. Another reason for turbo failure is items becoming ingested and damaging the turbo compressor blades. Your turbo is going bad if you hear whining, hissing, or whistling sounds. If you have . The compressor blades could also be the Nov 11, 2004 · If you are talking about end play it is measured from the input shaft only. To work effectively, a turbo needs a constant flow and pressure of clean, good quality oil Apr 25, 2010 · kremsg. Both these faults have the same effect – oil is drawn into the compressor housing, resulting in excessive smoke. If it's feels sloppy, it probably is worn and on borrowed time. Jun 10, 2017 · A faulty eprom will produce the same symptoms that a bad eprom causes in a standard non-turbo Corvette. 160,000 MILES. I just bought a 24 valve auto with a HX35W. The assembly will then center itself and spin true to center. Meaning the tops of each spline came to a point. Change your engine’s oil every 5,000 miles to keep the amount of oil in the turbo consistent and prevent turbo failure. Dec 24, 2014 · Oil in Turbo inlet and charge pipes. also a question about 4 bar. To check the turbine side you will have to take off the down pipe or just pull the whole turbo. Sep 15, 2009 · Just found this: "The Ford workshop manual specs. Even on a new turbo with plain bearings will have to have some small amount of side to side ply or it simply wouldn't run when hot, despite 360deg thrust bearings they can still wear rapidly if starved of oil, once you start to get in and out play the bearings are starting to wear, and this in Dec 4, 2020 · Shaft fracture, typically at the turbine end. • The bearing collar, i. If the bearings did SOLUTION: Keep your turbo’s boost-to-drive pressure ratio as close to 1:1 as possible (1:1. After a ride last weekend I noticed this has gotten somewhat excessive. Cause FOD (Foreign Object Damage) Loud noise + disintegrated turbo = fecked turbo. There should not be none, that would indicate its seized. turbochargerpros. 3L w/Built-up A/T w/billet Torque Conv. Mar 26, 2021 · Material loss causes imbalance 3. Mar 2, 2023 · The shaft is an integral part of the turbo, and if it becomes obsolete, the turbo will eventually fail. Well after priming the turbo, I check for shaft play and theres none, the thing feels great. Apr 1, 2007 · I changed the wheel about 2 months ago, and had hardly any shaft play in the turbo, so I think that is what it is, just wanted some other input, before I shelled out that much cash and effort. Make sure there is enough oil for turbo lubrication, poor or improper lubrication leads to shaft play and a broken shaft shank like the topic says how much shaft play is okay? what is notmal and what is a blown turbo? i gotta know cause im gonna be ordering a new turbo tommorrow and i would like to make absolutely SURE its the turbo and nothing else. 26). I discovered what was wrong with mine and wanted to post it here as it very well may be many of your trucks problem as well. With normal wear, you may be able to wiggle the output shaft as much as 1/8", more then that is a little excessive. 0L. e. It also had excessive side to side shaft play. The yoke is what stabilized the entire assembly. Usually Once the turbo develops some In and Out Shaft play the Seals get Worn out in the Process, Which makes the Turbo Need a Rebuild. 0015" to . com for Turbos, Injectors and everything Diesel 801-618-2151. #12 · Dec 15, 2013. but maybe the crappy air filter is the root cause of the turbo Nov 29, 2022 · Shaft play is one cause for compressor wheel damage, excessive side to side shaft play causes compressor wheel to hit the wall of compressor housing inlet and turbo gradually teared down if it wasn’t noticed in time. It seems odd that all 3 of my turbos have the up and down play. 7L turbo failures). Oil Contamination Aug 30, 2003 · Aug 30, 2003. #3. The new output shaft has 1/16" flat spots on each spline - those were GONE. Measure the turbocharger axial end play: a. If it sounds like its hitting metal than the obvious is to take a peak into the the compressor inlet and see if there is any damage to the wheel or compressor housing. If you ignore siren noises sooner or later shaft wear will result in the blades touching something and requiring new housings and CHRAs. co. Keep in mind that the turbo spins at speeds in excess of 150,000 rpm, and if there is even a tiny bit of excessive play in the shaft bearing, the whole shaft will wobble and the blades will scrape against their housing. ) MAX. #1 · Feb 2, 2020. Timing in 40 minutes (P7100) Nov 23, 2017 · Reason: Lack of exercise (lack of WOT or spirited driving), steady-state driving and/or extensive idling (conducive to excessive soot/carbon buildup), rust and corrosion accumulation, or foreign debris damage. Depending on the type of turbo, oil pressure itself Sep 7, 2010 · In and out the oil does nothing for the shaft. (1800$) The splines on the output shaft were triangular. but once oil is in the seals and bearings it's generally not a problem. For the last few days I could hear it getting louder and protesting with horrible squeals. TDI. The Oil Pressure Being Too High, is Never the a Problem Unless The Oil Drain is Not Large Enough To Remove the Mar 11, 2021 · Then I would remove the belt and see if the noise you're hearing stops. Lastly, and usually the easiest way on some turbos (maybe not so much on the EB due to turbo location) is to check for the play in the wheel and shaft Sep 27, 2007 · wanted to know what causes shaft play on a non ballbearing turbo? because i just rebuilt mine, feels awesome to the touch. Main causes of Overspeeding include…. 30@ 147 on 19 lbs. 2006 F250 6. 060 washer with a . May 24, 2022 · Ambient air enters into the compressor side of the turbo where it gets sent into the intercooler to be chilled, then into the engine. But, if you didnt hit the gas, then no. Shaft play end to end is bad, though. Mar 13, 2014 · My buddy explained that the odd shape is created from a combination of excessive heat and over speeding. Sent from my LM-G710 using Tapatalk. #1 · Aug 18, 2013. 002" The bearing to housing is about . Hello guys I am getting ready to tear open my turbo 350 transmission and check things out and see what I have and how stuff looks for a rebuild soon and one thing I read in my manual rebuild book from SA design it says about checking end play on the input shaft before taking things apart or I read Dec 8, 2015 · Any in and out play that gives the shaft between the compressor hosing wall and the backing plate is very bad because your wheel can tap the surfaces and really mangle your turbo. This leads to wobbling movements and causes the turbine wheel or impeller to come into contact with the housing. The turbo rotates at extremely high speeds. In/out play is normal/acceptable. A shaft that is out of balance or has too much play can cause this issue. All journal bearing turbos will have shaft play to some degree. A turbocharger’s turbine shaft runs at speeds of over 150,000rpm and at temperatures exceeding 900°C, and can do so almost endlessly, but only when lubricated as designed to be. Not difficult, but does take some work. 7. Oil leak from turbo means it's probably not getting oiled properly 7. Jan 18, 2021 · Do you think your turbo has failed?Does your turbo have shaft play? This video shows in depth what causes shaft play and how to check if your turbo has faile See full list on musclecardiy. If the oil supply is insufficient, interrupted, or contaminated, the turbocharger’s internal components can overheat. The gated 12cm housing will spool very fast and be a good match for the heavy fueling the VE does down low. Nov 3, 2015 · You are unlikely too see any oil residue in the exhaust side as it will be burnt in the high temps. Most modern turbochargers make use of dynamic seals (vs. The shaft is much thicker in the inside of the center cartridge. Im not sure the procedure on testing for that, hopefully someone else knows a thread here to describe that procedure. how can someone sell the turbo and say "it was working when it came off the car" It looks like this turbo would have been leaking oil through the seals, smoking like hell and that would have been the reason for the turbo removal. May 13, 2007 · subzeroR33. It leaves the engine under pressure, exiting the turbine side of the turbo, which causes an increase in shaft speed, which then speeds up the compressor wheel (same shaft), shoving MORE cold air into the engine. Side to side is not. Rebuilding your journal Jun 5, 2016 · At what point is the turbine housing that holds the journal bearings considered scrap metal and damaged beyond hope. uk/b Jan 9, 2017 · SOLUTION: For insurance (and whenever possible), add a 360-degree thrust bearing to your turbo or specify a 360-degree thrust option when purchasing a new unit. So me and a buddy was tearing my truck apart the other night to replace the head gaskets and put arp studs in it, and when we took the intercooler off, oil started pouring out, we came to find that the seals were bad on a turbo and one turbo has shaft play in it. It is important to let the automobile idle for a few minutes to let the oil recirculate through the turbo charger to remove the heat from the turbo charger. Apr 9, 2002. When a bearing is worn, shaft play, a side to side wiggling motion of the shaft occurs. Mar 28, 2010 · 4. Oil pressure tightens it up. NOTE: serious engine damage will occur if the Callaway eprom is replaced with a standard non-turbo eprom and the car is driven in any performance mode. Post your EBP, map and baro KOEO, cold and warm idle and I'm sure someone can point you into a more definite direction. com/part/turbo. Excesive load on components causes premature wear starting with your tubo piston rings 5. (Oil supply issues, check to and from) No noise + no boost = jammed turbo. someone please let me know Mar 17, 2012 · 2336 posts · Joined 2009. Mar 24, 2009 · Siren = shaft play or snapped shaft. Well, this turbo was advertised as being new with about 3-5 miles of use. AUTOMATIC. 4 bad turbo. No in and out, I have almost 120,000 miles on the engine. As long as there is no leak -- run with it. Thanks. carpartswarehouse. The input shaft is now pulled upwards and the result is end play. #8. thanks, I did Spin turbo shaft several times by hand before taking the measurement. So I was checking my turbos today and found that my stocker has some shaft play. Dec 28, 1999 · Remember, the turbo at full boost is turning some 160K RPM and driving about 3 HP across the shaft, so there is some significant forces generated within the turbo. 1992 Dodge W250, HE351, G360. 5 is OK in most cases), which may entail running a wastegate to bleed off excess drive pressure or opening up the exhaust flow via a larger turbine housing. carbon seals), which help keep the oil Aug 22, 2008 · Yes that looks like to much play. It all depends on how much wear is in the internals of the transmission as far as bushings go. I thought the bearings were tight, but no. Early Recognition and Action. #5 · Jan 18, 2022. xs ve ai kf jm co ms yj mo ic