Question about 2000 Volkswagen Jetta TDI

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97 passat tdi turbo charger

I'm just trying to get a sense of where the turbo charger is located on the engine to see if this is something I might want to tackle myself.

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  • yadayada
    yadayada May 11, 2010

    at the oulet of the exhaust manifold

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If your talking about a 97 Vw passat it's gonna be a challange. I have one my self and I have all the performance parts. I just got a 04 turbo off a EVO. It's gonna be a tight squeeze fer sure. I put it on a lift actully yesterday to be exact. And you cant up it in from the bottom. If your really helbent on putting in a turbo your going to need a turbo manifold that fits your engine, a innercooler, a wastegate, a blow-off valve, oil lines to go to your turbo, and for my sake a turbo timer because worth it. teh job will take about a day or two. The job is pretty much impossible to do by your self because every nut and bolt has to fit right. Now if your wondering where all this stuff is gonna be, well it has to be in the back where your exhaust is. There is barely room but it can be done, it's gonna be a tight squeeze. I'll have pics up of mine in a few months. Oh and by the way take off your intake. and get a cold air intake, not only do you get soo much more room under the hood you get better gas and speed :)

Posted on Oct 03, 2009

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If you cant find it on your own, I doubt if you have enough tech knowledge to do that jobb. But... it is a jobb possible to do. Get to a VW forun or do alot of web searching. Here is a very nice link to a "guide" or what yoiu'd call it. BUT You should really run a diagnostic tool first, either your self with a Ross-tech vag-com og at a dealer ship. You should be shure the turbo is the problem, there alot of things in connection to it that can cause symtoms.

http://www.vfaq.com/mods/Turbo-rebuild.html



ZynicK

Posted on Jul 04, 2009

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Turbos are not something you want to mess with, unless you know what you are doing. Big bucks when the turbo goes south...
Best to go with a good shop that has the gizmos to do the proper analysis of fuel mixture, and ASE mechanics on duty.

Posted on Feb 08, 2009

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06 passat turbo charger


on the exhaust manifold where they all are ,under one of them fancy plastic covers no doubt

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I have problems with the turbo of my Passat 2002 TDI Sometimes it stops working other times it works perfectly. What factors affect the turbo performance. Is the oil type, or coolant a factor?


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Oct 01, 2010 | 2002 Volkswagen Passat

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On TDI turbo charger intermittent


The N75 valve located on the bulkhead is a common problem on these cars. The N75 valve controls the turbo variable guide vanes. It is located on the bulkhead next to the egr valve controller. These 2 components are the same part, so try interchanging them to see if the problem disapears. Good luck

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Turbo problem...dealer replaced valve...still


If you have a problem that isn't caused by something obvious, you need a Ross tech VCDS cable. This is a laptop computer diagnostic cable to talk to the car's computer. Without it you cannot do the more advanced tests.
Note about generations - some generations have similar engines: Mk3= 1996-1997 3rd generation Passat TDI or 1996-1999 3rd gen Jetta TDI Mk4= 1998-2006 New Beetle, 1999-2005 Jetta, 1999-2006 Golf, 2004-2005 Passat TDI Mk5= 2005.5-2010 Jetta TDI Mk6= 2010+ Golf TDI
Remember, an engine needs fuel, air, and compression to run. Low power is related to a lack of one of these or a sensor problem making the computer thinking there's a lack of these. Any sensor problem could also be caused by a bad ground or broken/chaffed wire so also check every section of the wiring of the suspect sensor for breaks.
Bad MAF sensor - very likely cause on the mk4 TDI. Not common on the mk3 TDI (1996-1999 Jetta/Passat). Early mk4 MAFs failed often.Error codes normally do not show up with a faulty MAF since the signal degrades instead of going out completely. Through VCDS, checking MAF actual vs. specified at idle, high rpm, and high load will quickly show a bad MAF or other problem causing a low MAF reading.
Clogged intake manifold - carbon buildup chokes the intake manifold, starving the engine of air. Only ultra low sulfur diesel is sold in North America now so there should be much less buildup in the future. Always use good quality synthetic engine oil on your TDI..
Anti shudder valve shut or almost shut (does not apply to mk3 TDI, more for mk4 TDI) - there is a spring loaded valve right before the intake manifold. Newer TDI use an electronic valve and are not as susceptible to sticking. If there is excess carbon buildup, it could shut in a partially closed position.
Clogged snowscreen/air filter - a clogged air filter will starve the engine of air. A clogged snowscreen (large debris air pre-filter) shouldn't block off all air unless the aux-intake flap is also clogged.
Clogged fuel filter - change interval is 20,000 miles but biodiesel use (cleans out old buildup) or bad fuel could clog it early, resulting in fuel starvation. Algae or bacterial growth in the fuel tank could also clog the lines.
Boost leak - a cracked hose or loose connector lets measured air out. No air or major leaks = poor engine running or stuttering. A visual inspection may not reveal all the possible or hard to see spots where leaks can form.
Hose inside ECU (mk3 TDI only, does not apply to mk4 or newer TDI) - this hose leaks and normally sets a check engine light,
Vacuum lines to/from turbo and n75 solenoid - these dry out over time and crack or can rub through. It's possible they are clogged. The n75 solenoid controls the turbo wastegate or VNT vanes with either vacuum or pressure. b4 Passat - on firewall above coolant reservoir, a3 Jetta - on pass side near air box, a4 Jetta/Golf - on firewall above brake fluid reservoir.
Problem with the n75 solenoid, VNT actuator, VNT vanes, or vacuum lines. You should have already checked the vacuum lines, the below test will inspect the entire system. Start the engine and through VCDS, click on "engine"-->"measuring blocks"-->hit "up" until you reach "group 11". Compare Specified vs. Actual MAP. This compares what's actually happening and being observed from the boost sensor (barring a faulty sensor/plug/wire) to boost the computer is requesting (what should be happening). They should be relatively close. If they are far off this normally results in limp mode but it could also be contributing to the problem. If you have a mk3 you have a conventional turbo but you can still use this test to check the n75 solenoid, the wastegate, and vac lines. However, wastegates are much less susceptible to sticking vs. VNT vanes. The videos below show how it works. The lever on the outside is welded to a lever inside the turbo housing. This is how it moves the VNT vanes. See the below videos to see how smoothly and free the lever should move. It should not stick or bind at all. Vacuum is being applied to the can, not pressure.
If the test shows poor response or no response at all, it could be sticky VNT vanes/actuator (mk4 and newer TDI only), The vanes or actuator can stick or fail to function, the lever should move freely.
If the actuator is fine, also check the n75 solenoid and vac lines. The n75 solenoid controls vacuum or boost to the vacuum line going to the turbo wastegate/VNT actuator. To test, apply voltage to the solenoid or swap with a known good unit. If you have a mk4 TDI, you can swap it with the EGR solenoid to test. Also check the plug for corrosion and the wiring harness for chaffing. If those are good, disconnect the VNT actuator rod and move the vanes by hand. If the vanes are stuck then remove the turbo and clean the inside of the exhaust housing to free the stuck vanes.
Faulty injection pump's fuel injection quantity adjuster - these are occasionally set wrong from the factory or after seal replacement. It's also possible the fuel pump's internal quantity adjuster is faulty. Applies to 1996-2003 TDI only or TDI that use a Bosch VE injection pump (not pumpe duse or common rail). Injection quantity should be 3-5 at idle and up to 36-38 at full throttle.




Feb 01, 2010 | 2004 Volkswagen Jetta

2 Answers

Location of oil filter on a VW 1.9 TDI passat 2003


WELL THAT YEAR DOSE NOT COME WITH 1.9 BUT ANY WAY IT SHOULD BE UNDER CAR NEAR RIGHT AXLE OR LEFT SOME TIMES

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1 Answer

Loss of power noisy engine turbo does not come in on a 19 tdi volkswagon sharan


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The turbo bearing is gone. The turbo is not able to create enough boost. A local mechanic is going to have to change out the turbo. This is an expensive repair.

Good luck

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1 Answer

I think I need to replace the turbo on my 97 Passat TDI and I'm trying to get a sense of where it is located on the car to see if this is something I can tackle myself.


just follow the exhaust pipe and inlet pipe to the turbo, if you can see it, along with hose fittings to oil etc.
if you think you can get plenty of access to the unit and remove it, and not drop it, with spanners etc. good luck !
just be prepared if things go wrong.
get some quotes for the job....

Jan 28, 2009 | 2000 Volkswagen Jetta TDI

1 Answer

Tdi Turbo Charger


Most likely yes, but you may want to investigate whether a second-hand turbo is a better option price-wise. I don't know what the TDI turbos sell for, but on the gas engines, the stock K03 turbos only go for a couple hundred dollars (or less) used, with no endplay. It may be less hassle to just source a replacement in order to get your car back on the road. You could then have your turbo rebuilt at your leisure and keep it as a spare.

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