How to service and repair the thermostat on Cadillac DeVille?

To service and repair the Thermostat, start first by partially draining the cooling system. Following this, remove the air cleaner assembly. Put off the clamp by the use of hose clamp pliers (J38185) and eliminate the outlet Radiator Hose from the Thermostat Housing. Afterwards, pull out the bolts that fasten the Thermostat Housing to the inlet of the water pump and then take it along with the gasket out of the water pump housing. To install, put in the new gasket and Thermostat into the water pump housing, then follow it with Thermostat Housing. Mount the Thermostat Housing with the help of the bolts and tighten it to 10 nm (89 inch lbs). Connect the hose of the outlet radiator to the housing of the Thermostat with the hose clamp pliers (J38185) and screw back the air cleaner assembly. Finally, fill the cooling system.

OEM Cadillac DeVille Thermostat

Engine Coolant Thermostat

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7 Thermostats found

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Cadillac DeVille Thermostat
Part Number: 3539588
$8.96 MSRP: $17.46
You Save: $8.50 (49%)
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Product Specifications
- Other Name: Thermostat, Engine Coolant; Thermostat, Engine Coolant Temperature
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1995 Cadillac DeVille | Base, Touring | 8 Cyl 4.9 L GAS
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Cadillac DeVille Thermostat Housing
Part Number: 1647540
$11.19 MSRP: $21.01
You Save: $9.82 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Housing E; Thermostat Housing Cover; Water Outlet; Housing, Engine Coolant Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-2005 Cadillac DeVille | Base, Concours, d'Elegance, DHS, DTS, Protection Series | 8 Cyl 4.6 L GAS
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Cadillac DeVille Thermostat
Part Number: 12559807
$46.49 MSRP: $92.28
You Save: $45.79 (50%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 12555811, 12554784, 3531407
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-2005 Cadillac DeVille | Base, Concours, d'Elegance, DHS, DTS, Protection Series | 8 Cyl 4.6 L GAS
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Cadillac DeVille Thermostat Housing
Part Number: 1646974
Product Specifications
- Other Name: Housing; Thermostat Housing Cover; Thermostat Outlet Housing; Housing, Engine Coolant Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1995, 1990 Cadillac DeVille | Base, Touring | 8 Cyl 4.5 L GAS, 8 Cyl 4.9 L GAS
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Cadillac DeVille Thermostat Housing
Part Number: 3520936
Product Specifications
- Other Name: Housing; Thermostat Housing Cover; Thermostat Outlet Housing; Housing, Engine Coolant Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1995 Cadillac DeVille | Base, Spring Edition, Touring | 8 Cyl 4.5 L GAS, 8 Cyl 4.9 L GAS
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Cadillac DeVille Thermostat Housing
Part Number: 1625774
Product Specifications
- Other Name: Housing; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1989 Cadillac DeVille | Base, Cabriolet, d'Elegance, Touring | 8 Cyl 4.1 L GAS, 8 Cyl 4.5 L GAS
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Cadillac DeVille Thermostat Housing
Part Number: 1621087
Product Specifications
- Other Name: Housing; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1987 Cadillac DeVille | Base, Cabriolet, d'Elegance, Touring | 8 Cyl 4.1 L GAS

Cadillac DeVille Thermostat

Our website offers an extensive catalog of genuine Cadillac DeVille Thermostat at unbeatable prices. Every OEM Cadillac DeVille Thermostat comes with a manufacturer's warranty, an easy return policy, and rapid delivery service. Don't miss out on this great opportunity!

Cadillac DeVille Thermostat Parts Questions & Experts Answers

Thermostat Housing
1647540
Q: How to service and repair the thermostat on Cadillac DeVille?
A: To service and repair the Thermostat, start first by partially draining the cooling system. Following this, remove the air cleaner assembly. Put off the clamp by the use of hose clamp pliers (J38185) and eliminate the outlet Radiator Hose from the Thermostat Housing. Afterwards, pull out the bolts that fasten the Thermostat Housing to the inlet of the water pump and then take it along with the gasket out of the water pump housing. To install, put in the new gasket and Thermostat into the water pump housing, then follow it with Thermostat Housing. Mount the Thermostat Housing with the help of the bolts and tighten it to 10 nm (89 inch lbs). Connect the hose of the outlet radiator to the housing of the Thermostat with the hose clamp pliers (J38185) and screw back the air cleaner assembly. Finally, fill the cooling system.