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Location of thermostat on 2002 olds alero 2.2

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  • Oldsmobile Master
  • 6,826 Answers

Thermostat Removal & Installation 2.2L Engine To Remove:

  1. Remove the exhaust manifold. If equipped with an automatic transmission.
  2. Drain the cooling system.
  3. Remove or disconnect the following: location of thermostat on 2002 - chevy_cav_02-04_tstat.gif

    • Thermostat housing to water pump feed pipe bolts.

    • Thermostat housing to water pump feed pipe.
    • Thermostat.
To Install:
  1. Install or connect the following:
    • Thermostat.
    • Thermostat housing to water pump feed pipe.
    • Thermostat housing to water pump feed pipe bolt.
      1. Tighten bolt to 89 in lbs (10 Nm).
    • Exhaust manifold if equipped with an automatic transmission.
  2. Fill the cooling system.
2.4L Engine To Remove:
Thermostat assembly 2.4L

  1. Drain the cooling system.
  2. Remove the exhaust manifold heat shield.
  3. Remove the coolant inlet housing mounting bolts through the exhaust manifold.
  4. Raise and safely support the vehicle.
  5. Remove the coolant inlet housing stud from the oil pan.
  6. Remove wheel and tire assembly.
  7. Remove the engine splash shield.
  8. Remove the mounting bolts from the transaxle-to-engine block support. Remove the support.
  9. Remove the coolant housing pipe.
  10. Remove the thermostat.
  11. Clean the mating surfaces.
To Install:
  1. Install the thermostat.
  2. Install the coolant housing pipe.
  3. Install and secure the transaxle support-to-engine block mounting bolts.
  4. Install the engine splash shield.
  5. Install the wheel and tire assembly.
  6. Install the coolant inlet housing stud to the oil pan.
    • Tighten to 19 ft lb (26 Nm).
  7. Lower the vehicle.
  8. Install the coolant inlet housing bolts through the exhaust manifold.
    • Tighten the coolant inlet housing bolts to 10 ft lb (14 Nm).
  9. Install the exhaust manifold heat shield.
  10. Fill the cooling system.
  11. Inspect the system for leaks.
3.4L Engine To Remove:
  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.
To Install:
  1. Install the thermostat and housing outlet.
  2. Install the thermostat housing bolts.
    • Tighten the thermostat housing bolts to 18 ft lb (25 Nm).
  3. Install exhaust crossover pipe.
  4. Connect the surge tank line fitting to the coolant outlet.
    • Tighten the fittings to 15 ft lb (21 Nm).
  5. Install the air cleaner.
  6. Fill the cooling system.
  7. Inspect the system for leaks
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Posted on Oct 14, 2010

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Posted on Jul 25, 2009

BCAS1298
  • 3092 Answers

SOURCE: locate thermostat 2002 alero

THERE A CROSS OVER EXHAUST PIPE TO THE FRONT EXHUAST MAG ON BACK OF THE ENGINE OVER THE TRANS RIGHT IN BACK OF THAT PIPE CENTER OF THE BACK OF THE ENGINE.

Posted on Nov 04, 2009

sourav007
  • 297 Answers

SOURCE: LOCATE THERMOSTAT ON 2002 ALERO

Follow the upper radiator hose to the engine. It should be located in a housing near where the hose connects to the engine.

Drain the antifreeze, follow top hose to bottom of engine. Bolts probaly come out from top, but will be under manifold, ouch, pain in but.

hope it works

Posted on Jan 10, 2010

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THERE A CROSS OVER EXHAUST PIPE TO THE FRONT EXHUAST MAG ON BACK OF THE ENGINE OVER THE TRANS RIGHT IN BACK OF THAT PIPE CENTER OF THE BACK OF THE ENGINE.

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Average costs


The labor is most expensive part of this repair.
On the 3.4 L V6 engine, the labor should be about 1 1/2 hours times the shop labor rate.
If the 4 cylinder, then the labor is much higher due to the location of the thermostat.


TechJK
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