Question about 2003 Pontiac Aztek

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How do i change my thermostat on my 2001 pontiac aztek. also how do i remove the crossover exhaust pipe to get to the @#$%^ing thing?

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Exhaust Crossover Pipe Replacement
Removal Procedure

  1. Disconnect the battery ground (negative) cable.
  2. Remove the throttle body air inlet duct.
  3. Drain the coolant from the cooling system.
  4. Remove the inlet radiator hose from the engine.
  5. Remove the thermostat bypass pipe.
  6. Remove the exhaust crossover heat shield bolts.
  7. Remove the exhaust crossover heat shield.
how do i change my thermostat on my 2001 pontiac - 89160026

  1. Remove the exhaust crossover pipe studs/nuts.
  2. Remove the exhaust crossover pipe.
  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.
Removal Procedure

89153578

Posted on Dec 11, 2009

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Related Questions:

1 Answer

My husband and I are trying to get to our thermostat to change in my 2002 rendezvous, but there is a metal pipe in the way that we can't figure out how to remove. just behind the pipe, is a metal plate...


Hello vocalviixen,

The pipe that you referred to is the exhaust crossover pipe. Below I've included removal and installation instructions.

Also, the procedure for bleeding the coolant system is critical; if you need those instructions please post the question.

REMOVAL PROCEDURE
1. Disconnect the battery ground (negative) cable.
2. Remove the throttle body air inlet duct.
3. Drain the coolant from the cooling system.
4. Remove the inlet radiator hose from the engine.
5. Remove the thermostat bypass pipe.
6. Remove the exhaust crossover heat shield bolts.
7. Remove the exhaust crossover heat shield.
8. Remove the exhaust crossover pipe studs/nuts.
9. Remove the exhaust crossover pipe.
INSTALLATION PROCEDURE
1. Install the exhaust crossover pipe.
2. Install the exhaust crossover pipe studs/nuts.
3. Tighten the exhaust crossover pipe studs/nuts to 18 lb ft.
4. Install the exhaust crossover heat shield.
5. Install the exhaust crossover heat shield bolts.
6. Tighten the exhaust crossover heat shield bolts to 89 lb in.
7. Install the thermostat bypass pipe.
8. Install the inlet radiator hose to the engine.
9. Fill the cooling system with engine coolant.
10. Install the throttle body air inlet duct.
11. Connect the battery ground (negative) cable.


Regards,
netvan

Mar 14, 2011 | 2002 Buick Rendezvous

1 Answer

Where is the thermostat located on a 2001 pontiac grand am SE, 6 cylinder automatic


Follow the hose from the coolant reservoir to the engine. The thermostat is behind the housing where at hose connects. Below are instructions from autozone.com. Recommend you also read my post at http://www.fixya.com/cars/r5929960-s_thermostat, and thanks for using FixYa.


3.4L Engine

  1. Drain the cooling system.
  2. Remove the air cleaner.
  3. Remove exhaust crossover pipe.
  4. Disconnect the surge tank line fitting from the coolant outlet.
  5. Remove the thermostat housing to intake manifold bolts.
  6. Remove the thermostat housing outlet and thermostat
  7. Clean the mating surfaces.

To install:
  1. Install the thermostat and housing outlet.
  2. Install the thermostat housing bolts. Tighten the thermostat housing bolts to 18 ft. lbs. (25 Nm).
  3. Install exhaust crossover pipe.
  4. Connect the surge tank line fitting to the coolant outlet. Tighten the fittings to 15 ft. lbs. (21 Nm).
  5. Install the air cleaner.
  6. Fill the cooling system.
  7. Inspect the system for leaks.

Dec 20, 2010 | 2001 Pontiac Grand Am SE

1 Answer

What do i do when its over heating? how do i install thermostat?


Thermostat Removal & Installation 3.4L & 3.5L Engine To Remove:
  1. Drain the coolant below the level of the thermostat.
  2. Remove the air cleaner and duct assembly.
  3. Remove the exhaust crossover pipe.
  4. Disconnect the radiator hose from the thermostat housing. gm_mv_ven_tstat.gif

  5. Remove the mounting bolts and remove the thermostat housing.
  6. Remove the housing gasket.
  7. Remove the thermostat.
  8. Clean the mating surfaces.
To Install:
  1. Install the thermostat on the engine. NOTE: Apply RTV sealer to the thermostat housing bolt threads.
  2. Install the thermostat housing and gasket with the mounting bolts. Tighten 18 ft-lb (25 Nm).
  3. Connect the radiator hose to the thermostat housing.
  4. Install the exhaust crossover pipe.
  5. Install the air cleaner and duct assembly.
  6. Fill the cooling system.
  7. Check the cooling system for leaks.
3.6L Engine To Remove:
  1. Remove the air cleaner.
  2. Remove the throttle body.
  3. Remove the heater pipes.
  4. Remove the coolant inlet pipe. Thermostat 3.6L gm-03-36-2447.gif

  5. Remove the thermostat mounting bolts and remove the thermostat.
  6. Clean the thermostat and heater pipe mating surfaces.
To Install:
  1. Place the thermostat in the housing with a new gasket.
  2. Install the thermostat and gasket on the engine with the mounting bolts. Tighten 89 in-lb (10 Nm).
  3. Install the coolant inlet pipe.
  4. Install the heater pipes.
  5. Install the throttle body.
  6. Install the air cleaner.
  7. Fill the cooling system and perform a leak test.
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Sep 18, 2010 | 2002 Pontiac Aztek

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

1 Answer

Getting to my thermostat


U must remove the exhaust crossover pipe that goes from the front to the back exhaust manifold also the flexible air intake hose, spray the exhaust crossover pipe bolts with WD 40 before you try to remove them.

Nov 09, 2009 | 2002 Pontiac Grand Prix

1 Answer

Looking for the thermostat location on a 2001 pontiac aztec


This should be a 3400 SFI engine. the T-stat is in a tricky location. Your top radiator hose is connected to an aluminum pipe. thats the T-stat housing. the T-stat is in there where it connectes to the lower intake there are 1 bolt1 that you need to remove.and the lower on just needs to be lose. the lower hole is sloted. you have to remove the exhaust crossover shield and coolant bypass tube if you have one. its going to be a very tight fit if you leave the crossover pipe on. you can remove it. then its 1 2 3. this is alittle longer than most T-stats i would say about 1.5 hours assuming no studs on your crossover break. just be carefully to apply even pressure when removing those bolts on the exhaust pipe.

Good luck,
michael

Apr 28, 2009 | Pontiac Aztek Cars & Trucks

1 Answer

Themostat


Nevermind...it doesn't matter....here ya go....please don't forget to rate!!!

Thermostat Removal & Installation To Remove:
  1. Before servicing the vehicle refer to the precautions at the beginning of this section.
  2. Partially drain the coolant, (until the level is below the thermostat).
  3. Remove or disconnect the following:
    • The air cleaner and duct assembly
    • The crossover exhaust pipe
    • The radiator hose from the thermostat housing
    • The thermostat housing bolts
    • Any remaining sealer from the bolt threads
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  • The thermostat housing
  • The gasket
  • The thermostat
  • To Install:
    1. Install or connect the following:
      • The thermostat
      • The thermostat housing
      • The gasket NOTE: Apply RTV sealer, GM P/N 1052366 or the equivalent, to the thermostat housing bolt threads.
      • The thermostat housing bolts
        1. Torque to: 18 ft. lbs. (25 Nm)
      • The radiator hose to the thermostat housing
      • The crossover exhaust pipe
      • The air cleaner and duct assembly
      • The coolant
    2. Thoroughly inspect the cooling system for leaks.

    Apr 05, 2009 | 2001 Pontiac Montana

    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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