Question about 2001 Volkswagen Passat

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On a 2001 Passat 2.8L wagon, how do you get the thermostat housing out without taking the timing belt off? I already have the radiator in "service" position and the timing belt/drive belt covers off on the left side-where the thermostat inlet is located.

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Yes, according to my repair manual. the timing belt must come off.

Posted on Jun 17, 2009

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1 Answer

Location of thermostat housing on 2001 vw passat 20v


At the end of your upper radiator hose, bolted to the engine block.

Dec 07, 2017 | 2001 Volkswagen Passat

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I have 2001 passat wagon I was to told to let air out at value at heater hose what value I had the heater core fluse but that gave me trikle of heat when not using the fan, if you turn the fan on high the...


Yes getting air out of the coolant lines can sometimes help. And the heater hose valve at the firewall is the place to do it. But if you have a bad thermostat or blocked heater core then it won't really help. On my 2000 v6 Passat a coolant flushing helped for a while. But then it became clear that the thermostat was the likely problem, And that's a big job, Basically a timing belt/waterpump job.

Feb 27, 2015 | 2001 Volkswagen Passat

1 Answer

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

Need location of thermostate


Removal & Installation 3.9L, 5.2L & 5.9L Engines To Remove:
  1. Before servicing the vehicle, refer to the precautions at the beginning of this section.
  2. Remove or disconnect the following:
    • Negative battery cable
    • Coolant until level is below thermostat dod_trk_altbracket.gif

    • Support bracket located near rear of alternator (A/C Vehicles) dod_trk_releasebelttension.gif

    • Alternator drive belt by attaching a wrench to the pulley mounting bolt of the automatic tensioner, rotating the tensioner clockwise to release belt tension, and removing the belt:
    • Alternator mounting bolts, but do not remove any wiring at alternator
    • 4WD indicator lamp wiring harness (4WD vehicles)
    • Alternator and position aside WARNING
      When servicing constant tension hose clamps, use only tools designed for servicing this type of clamp, such as special clamp tool (number 6094). Always wear safety glasses when servicing constant tension clamps. Always replace constant tension clamps with the same numbered clamp.
    • Radiator hose clamp and upper radiator hose at thermostat housing and position wiring harness aside to gain access to thermostat dod_trk_59l_thermostat.gif

    • Thermostat housing mounting bolts, thermostat housing, gasket and thermostat
To Install:
  1. Clean intake manifold and thermostat housing mating surfaces.
  2. Install or connect the following:
    • Thermostat (spring side down) into recessed machined groove on intake manifold
    • Gasket on intake manifold and over thermostat dod_trk_thermohousingposition.gif

    • Thermostat housing to intake manifold NOTE: The word FRONT is stamped on housing and must be placed towards front of vehicle.
    • Housing-to-intake manifold bolts.
      1. Torque to: 200 inch lbs. (23 Nm)
    • Upper radiator hose to thermostat housing dod_trk_drivebeltrouting.gif

    • Alternator (A/C Vehicles)
      1. Torque to: 30 ft. lbs. (41 Nm)
    • Support bracket
      1. Torque to: 40 ft. lbs. (54 Nm)
    • Drive belt over all pulleys except idler pulley
    • Socket/wrench to pulley mounting bolt of automatic tensioner and rotate clockwise
    • Belt over idler pulley, let tensioner rotate back into place and remove wrench
    • Coolant
    • Negative battery cable
  3. Start and warm the engine and check for leaks.
4.7L Engine To Remove:
  1. Before servicing the vehicle, refer to the precautions at the beginning of this section.
  2. Remove or disconnect the following:
    • Negative battery cable
    • Coolant
  3. Safely raise and support the vehicle.
  4. Remove or disconnect the following:
    • Splash shield
    • Lower radiator hose clamp and lower radiator hose at thermostat housing 4.7L engine shown 3.7L similar chry_47_thermostst.gif

    • Thermostat housing mounting bolts, thermostat housing and thermostat
To Install:
  1. Clean timing chain cover and thermostat housing mating surfaces.
  2. Install or connect the following:
    • Thermostat (spring side down) into recessed machined groove on timing chain cover
    • Thermostat housing on timing chain cover
    • Housing-to-timing chain cover bolts.
      1. Torque to: 112 inch lbs. (13 Nm)
    • Lower radiator hose on thermostat housing
    • Splash shield
  3. Lower vehicle.
  4. Fill cooling system.
  5. Connect negative battery cable to battery.
  6. Start the engine and check for leaks.
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Aug 26, 2010 | 2001 Dodge Durango

1 Answer

Replacement of thermostat 2001 alero


Thermostat replacement on 3.4 liter, Not the thermostat housing is between the Throttle body and exhaust crossover. If you have small haves and the right tools you can remove the two botls without removing the crossover and throttle body. The bottom bolt to the thermostat does not have to come all the way out, there is a cut out on the housing so you can slid it out. Good luck and take your time.

  1. Remove the air cleaner and duct assembly.
  2. Drain the coolant until the coolant level is below the thermostat.
  3. Remove the crossover exhaust pipe.
  4. Remove the radiator hose from the thermostat housing.
  5. Remove the thermostat housing bolts and clean any sealer from the bolt threads.
  6. Remove the thermostat housing and gasket.
  7. Remove the thermostat.
  8. Install the thermostat.
  9. Install the thermostat housing bolts and tighten them to 18 ft. lbs. (25 Nm).
  10. Install the radiator hose to the thermostat housing.
  11. Install the crossover exhaust pipe.
  12. Install the air cleaner and duct assembly.
  13. Good luck...
  14. Fill the cooling system.
  15. Install the thermostat housing and gasket.
  16. Clean the mating surfaces.

Jan 28, 2010 | 2001 Oldsmobile Alero

2 Answers

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

Where is the themostat housing on a vw 2001 passat v6


Hi:
The thermostat housing is on the engine, behind where your upper radiator hose attaches.

Nov 18, 2009 | 2001 Volkswagen Passat

2 Answers

Overheating, low fuel efficiency, fuel smell in cabin


Sounds like coolant ports in the engine block is gunked up. Did you maybe notice the coolant ports when you changed the head gaskets? And, or, change the radiator cap,if you haven't already done so, I've seen them heat up over that too.

Jul 07, 2009 | 2001 Audi TT

1 Answer

Removing timming belt to change thermostat


The front bumper cover radiator condenser will have to come off . To keep from bending valves have a mechanic fix this. In the long run you will save time and money.

Jun 17, 2009 | 2001 Volkswagen Passat

2 Answers

How do i replace the thermostat in a 2001 pontiac montana?


  1. Remove the air cleaner and duct assembly.
  2. Drain the coolant until the coolant level is below the thermostat.
  3. Remove the crossover exhaust pipe.
  4. Remove the radiator hose from the thermostat housing.
  5. Remove the thermostat housing bolts and clean any sealer from the bolt threads.
  6. Remove the thermostat housing and gasket.
  7. Remove the thermostat.
  8. Install the thermostat.
  9. Install the thermostat housing bolts and tighten them to 18 ft. lbs. (25 Nm).
  10. Install the radiator hose to the thermostat housing.
  11. Install the crossover exhaust pipe.
  12. Install the air cleaner and duct assembly.
  13. Good luck...
  14. Fill the cooling system.
  15. Install the thermostat housing and gasket.
  16. Clean the mating surfaces.

Jan 15, 2009 | 2001 Pontiac Montana

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