Question about 2004 Volkswagen Passat

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How do i change the timing belt and the thermostat on my 04 passat?

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Difficult car to work on. I recommend a mechanic that has had previous experience on similar vehicle to perform this repair.

Posted on Jul 24, 2009

  • Jesse East Sep 19, 2009

    If you really want to do it yourself at home begin by removing the front body parts off of the car to gain access to the engine. Post back if you want to continue as I will have to write you a novel on what to do next.

  • Jesse East Sep 19, 2009

    Begin by removing the front body parts off the car to gain access to the engine. Post again if you decide that you want to tackle this job.

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2002 Volkswagen passat 6 cyl replace thermostat


This is a time consuming process, that should not be done, unless you are sure of your mechanical skills, the thermostat is behind the timing belt (why VW ever did that I do not know). You will have to remove the front bumper, and put the front of vehicle into what is called service position, meaning the front end of the car, radiator and mounting moves forward a few inches. It sounds complicated but its not really to bad.
Then you will need to removed the serpentine belt and power steering pulley. Remove timing belt covers. Then either removed the top portion of timing belt and then remove thermostat housing, or if you are really patient, you can try to squeeze the thermostat out from behind, but it is not easy at all.

All in all, this job for a DIY is probably around 5-8 hours of work and I would not attempt unless you have done something like this before.

Oct 18, 2014 | 2002 Volkswagen Passat

1 Answer

WHERE TO FIND THERMOSTAT ON A 2003 PASSAT V6


It's located behind the timing belt. It's not a small job. If you remove all the covers over the timing belt you can see a large aluminum plate with a hose fitting on it that goes towards the drivers side of the car. The thermostat is enclosed under that plate. If you venture to replace the thermostat you might as well replace the timing belt, tensioner, and water pump while you are in there. The water pump is driven by the timing belt.

Feb 07, 2011 | 2003 Volkswagen Passat

1 Answer

WHERE IS THERMOSTAT LOCATED ON 2000 VW PASSAT AJM ENGINE


Heed of antifreeze coolant temperature!!!
First time you might check the thermostat operating.
The thermostat location for VW Passat 4Motion 1.9 TDI - AJM engine, is on back of the alternator at the bottom side of the bracket.
IMPORTANT: It is NOT necessary to replace the alternator if you want to change the thermostat !!!
Thermostat checking:
1. Cold engine. Start up the engine and watch of the water temp indicator. After first value 60 Celsius Degree you still warm up the engine until the lifter (pointer) reach 80 C deg. (second mark after 60 C deg.). At this time you let engine running at idle speed and check with your hand the thermostat plastic housing and hose temperature in bottom left side of the engine. Heed of alternator driving belt and ventilator fan !!!
2. If the thermostat is good the hose must be cold until the water temp indicator reach almost 90 C deg.
3. The thermostat opening temperature is 87 C deg.
4. If the hose is already warm the thermostat is out of order.

Thermostat location, Part number: 044121113, in german - "Kuehlregle" (Price around $25):

tdisline_142.jpg
Important note: Always replace the thermostat seal, position 7 in the above picture.

Please do rate my response. Thanks!

Jan 05, 2011 | 2000 Volkswagen Passat 4Motion

1 Answer

Show me how to replace a water on a 1999 VW Passat e a water pump on a 1999 VW Passat


It depends on what engine you have, but all 3 are similar. They are all in the front of the engine, so the water pump can be run by a belt. With the 1.8 turbo, it is run by the serpentine belt, but you still have to take the timing belt off because it is behind the timing belt slightly. The Vr6 is run by the timing belt, so also needs the belt removed. The V6 was less common, but also difficult. You do not have to take the timing belt off I think, but you have to remove the whole chassis at the front, because there is so little room otherwise. There really are only 4 main bolts holding the whole chassis front on. It is recommended that the thermostat and timing belt be done at the same time, to save labor, since it is intensive on any engine.

Aug 03, 2010 | 1999 Volkswagen Passat

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I can not locate the thermostat on a 1999 vw passat


Hi:
The thermostat on your car is located under the thermostat housing. This is located on the engine and your upper radiator hose is connected directly to it. If you are wanting to change it, start with a cold engine, and first drain your coolant out of your radiator, then disconnect the radiator hose from the thermostat housing, remove the bolts that attach it to the engine, and carefully remove it. The thermostat can be removed and the new one installed. Remember to scrape off all gasket residue, and install the new thermostat with a new gasket. Reconnect the upper radiator hose, then fill the engine back up with coolant. Start the engine, and let it warm up and check for leaks!

Jan 24, 2010 | 1999 Volkswagen Passat

1 Answer

Changing the cabin air filter on '04 Passat


the cabin air filter is usually behind the glove box

Jan 24, 2010 | 2004 Volkswagen Passat

1 Answer

Changing thermostat , can't locate it on 2000 VW passat 6 cylinder


its not easy. It's behind the timing belt. If you follow the lower rad hose up to the engine, there's the plastic outlet housing that has to come off. you can see how burried it is.

Dec 22, 2009 | 2000 Volkswagen Passat 4Motion

1 Answer

Hi Looking to get the timing belt changed on my 2002 Passat GLX 4Motion. I have 145000 miles on the car. But after speaking with the mechanic its going to cost me over $1200. Not somthing I have available...


Jen... I have a 2002 Passat 2.8 V6 4Motion with 125,000 I just changed the Timming Belt, Water Pump, tensioners and thermostat. One dealer was charging me 1500 dollars and the other just 1000... I bought the parts myself thru www.germanautoparts.com and found a mechanic with experience, and he charged me 420 dolares. In total I paid something around 650 for the repair. In the end, my timming belt could last me more than 20 thousand miles more... but either way is a risk. If the belt brakes the repair will go for 4000 dollars to fix the engine. I'm in NE.

Oct 15, 2009 | 2002 Volkswagen Passat

1 Answer

2004 volkswagen passat v6 no heat


Do you notice that the engine coolant temperature gauge stays on the lower part of the scale as well? If so, it's likely that your thermostat is stuck open - this prevents the coolant from staying in the block long enough to absorb heat that is used to heat the climate-controlled air. I'm not positive on the 3.0 in your car, but the 2.8 V6 in my Audi A4 requires tremendous disassembly in order to change the thermostat. I believe the 3.0 is the same - the labor involved is only slightly less than that required to do a timing belt change (which, if you change the thermostat, since you're already all the way in there, you may as well do the t-belt service as well so you don't have to pay for all that labor again any sooner than necessary).

Sep 03, 2008 | 2004 Volkswagen Passat

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