Question about 2003 Cadillac CTS

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Need to find where the thermastat is on a 2003 cadi

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It is in the rear of the engine by the firewall and the intake manifold will need to be removed to gain access t it.

Engine Coolant Thermostat Replacement (LA3, LY9) Removal Procedure

  1. Remove the thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement .

  2. need to find where the thermastat is on a 2003 - 790876.gif
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  3. Complete the following in order to remove the thermostat from the thermostat housing:
  4. 2.1. Depress the ears on both sides of the thermostat. 2.2. Rotate the thermostat until it clears the retaining feature of the housing. 2.3. Release the pressure from the thermostat. 2.4. Pull the thermostat from the thermostat housing.

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  • Complete the following in order to Install the thermostat into the thermostat housing:
  • 1.1. Align the thermostat pin to the thermostat housing orifice. 1.2. Depress the ears on both sides of the thermostat. 1.3. Rotate the thermostat until it aligns with the retaining feature of the housing. 1.4. Release the pressure from the thermostat.
  • Install the thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement .
  • Posted on Jul 10, 2010

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