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Generous Motors
Generous Motors, Auto Mechanic
Category: Chevy
Satisfied Customers: 323
Experience:  Mechanic for 25 years with experience on Buicks, GM Trucks, etc.
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How do I replace my thermostat? I have a 2000 Oldsmobile Alero 2.4 L

Customer Question

How do I replace my thermostat? I have a 2000 Oldsmobile Alero 2.4 L
Submitted: 8 years ago.
Category: Chevy
Expert:  Generous Motors replied 8 years ago.

These are for the 2.2 engine

2.2L Engine



  1. If equipped with an automatic transaxle, remove the exhaust manifold, as outlined in this section.
  2. Drain the cooling system.
  3. Remove the thermostat housing to water pump feed pipe bolts.
  4. Remove the thermostat housing to water pump feed pipe.

    Click image to see an enlarged view

    Fig. Thermostat mounting-2.2L engine

  5. Remove the thermostat.

To install:

  1. Install the thermostat.
  2. Install the thermostat housing to water pump feed pipe.
  3. Install the thermostat housing to water pump feed pipe bolt. Tighten the thermostat housing to water pump feed pipe bolt to 89 inch lbs. (10 Nm).
  4. If equipped with an automatic transaxle, install the exhaust manifold, as outlined in this section.
  5. Fill the cooling system.