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Volkswagen Passat Turbo Issues

44 messages,  Last post on Oct 13, 2009 at 10:20 AM

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What is this discussion about? Volkswagen Passat, Sedan, Wagon

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#36 of 44 Re: 2003 1.8T water leak passenger side [h8passat] by h8passat Feb 23, 2009 (8:19 pm)
Replying to: h8passat (Apr 06, 2007 5:37 pm) Still having trouble? I finally addressed mine. Turns out that in addition to small leaks at the battery drain and pollen filter housing I had a more significant one at the ECM module. This is where most of my water was coming in, going thru the driver side footwell to collect in the rear footwell behind. The ECM compartment itself had filled with water as well, causing intermittent electrical problems.   So I had a garage find the ECM leak and address it with putty. Testing with water to find that leak, addressing it and then draining the ECM compartment and ensuring it was working OK - 300 bucks total.   If that helps you or anyone else that´s great - caused me tons of trouble over the last 2 years.
#37 of 44 '00 Turbo by sandysue68 Jun 07, 2009 (3:54 am)
I have a '00 VW Passat Turbo. Past couple weeks, when I start the car after it has been sitting, there is a high pitched "squealing" noise. I believe that it is coming from the turbo. It stops after about a minute. Any ideas....suggestions....? Thanks! Replies to this message: zlingen (Jul 07, 2009 10:44 pm)
#38 of 44 Location of Fuel filter by jett4 Jun 10, 2009 (12:37 pm)
Can anyone tell me were the Fuel Filter on my 1999 VW Passat 20V Turbo is located? Replies to this message: altair4 (Jun 11, 2009 6:20 am)
#39 of 44 Re: Location of Fuel filter [jett4] by altair4 Jun 11, 2009 (6:20 am)
Replying to: jett4 (Jun 10, 2009 12:37 pm) You should find it under the car, just in front of the right rear tire. There is a plastic body panel that runs the width of the car that covers it. You will need a 10 mm socket and a screw driver to remove that cover (two nuts on each side of the car and one screw in the middle).   Use appropriate, safe methods to access this area (ramps or jack stands).   The fuel line is under pressure - it will spray fuel if you don't pull the fuse for the fuel pump while the car is running. Sad to say, I don't have the number handy for the fuel pump fuse.   My '03 model had the fuel filter connected to the hoses with one-use clamps which had to be cut off to replace the filter. I bought fuel line clamps at Advance Auto to replace those. Yours may be different - some years used banjo connections on the lines to and from the filter (remember: VW = Varies Widely).   You might want to put a smear of anti-seize on the bolts that hold the filter in place as well as that plastic belly pan.   Good luck.   -EDIT- The fuse number might be #28, on the driver's side of the dash, but I can't guarantee it.
#40 of 44 Re: '00 Turbo [sandysue68] by zlingen Jul 07, 2009 (10:44 pm)
Replying to: sandysue68 (Jun 07, 2009 3:54 am) Have you received a response about this? My Passat does the same thing, but I've only had it for a month (used) and haven't taken it anywhere to get it fixed. I read elsewhere that, "It is precisely the Secondary Air Pump that is making the loud "noise". Its function is to make sure any unburned residual fuel (remaining after the engine is turned off) is properly atomized and burned upon startup. My wife's 2003 Passat has that same characteristic."   Have you looked into it further and is this really the case?
#41 of 44 2002 Vapor locking (mike 373) by mike373 Jul 08, 2009 (11:03 am)
My daughter has this turbo passat, yesterday she drove home from work (about 30 miles) shut the car off, then about 30 min later wanted to use it and it wouldn't start. Acts like it's vapor locked, it has happened before but mechanics can't find anything. Anyone had similar problem? What needs to be done? Is it vapor locked or is it something else? Thanks.
#42 of 44 Passat Fuel Mileage by tomj2 Jul 10, 2009 (12:12 pm)
Own a 2003, 1.8T, 60K miles. Gas mileage has declined about 25% in last year. Car runs perfect and even had VW look at it. Found nothing wrong. Anybody ever have same problem? Replies to this message: susan803 (Oct 13, 2009 10:20 am)
#43 of 44 09 passat by newvwowner1 Oct 02, 2009 (3:35 pm)
I have a new 09 passat sedan. It is 2 months old. The motor seems to be getting noisier by the day, especially when it is idling at a stop sign or the AC is on, or I am accelerating. Is this normal for a VW or a turbo motor? I am not familiar with this brand. Most new vehicle motors are very quiet when new.
#44 of 44 Re: Passat Fuel Mileage [tomj2] by susan803 Oct 13, 2009 (10:20 am)
Replying to: tomj2 (Jul 10, 2009 12:12 pm) Yes, I have a 2003 passat, 1.8T, 88K miles. My mileage has gone down about 20%, and runs a little rough over 50 mph. Had it check 3 times, they can't find anything wrong. Very frustrating.

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