How to service and repair the thermostat housing and replace the water crossover on 2002 Cadillac DeVille?

To maintain the thermostat housing and repair, empty the cooling system and take out different components to service and repair the thermostat. Unscrew hoses and sensors and take the water housing crossover out. Wipe and clean and then install again using new gaskets. refil all the components and refill the cooling system.

OEM 2002 Cadillac DeVille Thermostat Housing

Engine Coolant Thermostat Housing

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2002 Cadillac DeVille Thermostat Housing Part Number: 1647540
$11.19 MSRP: $21.01
You Save: $9.82 (47%)
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Product Specifications
- Other Name: Housing E; Thermostat Housing Cover; Water Outlet; Housing, Engine Coolant Thermostat
- Item Weight: 0.50 Pounds
- Item Dimensions: 4.4 x 4.3 x 2.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 1647540
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2002 Cadillac DeVille Submodels:
- Base, Concours, d'Elegance, DHS, DTS, Protection Series | 8 Cyl 4.6 L GAS

2002 Cadillac DeVille Thermostat Housing

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2002 Cadillac DeVille Thermostat Housing Parts and Q&A

Q: How to service and repair the thermostat housing and replace the water crossover on 2002 Cadillac DeVille?
A: To maintain the thermostat housing and repair, empty the cooling system and take out different components to service and repair the thermostat. Unscrew hoses and sensors and take the water housing crossover out. Wipe and clean and then install again using new gaskets. refil all the components and refill the cooling system.