How to service and repair the thermostat on Cadillac Seville?

A partial drain of the cooling system needs to occur initially before beginning Thermostat servicing. The next step is to remove the assembly for the air cleaner. Use hose clamp pliers j 38185 to loosen the clamp so you can extract the outlet Radiator Hose from the Thermostat Housing. Begin by disconnecting the bolts which secure the Thermostat Housing to the water pump inlet before extracting the Thermostat and its gasket from the water pump housing. After inserting the new gasket and Thermostat into the water pump housing you can proceed by installing the Thermostat Housing. Fasten the Thermostat Housing bolts until they reach 10 nm of torque (89 inch lbs). Use hose clamp pliers (J 38185) to join the outlet Radiator Hose to the Thermostat Housing before reattaching the air cleaner assembly while filling the cooling system.

How to replace the thermostat on Cadillac Seville?

Parts drainage and air cleaner disassembly should be your first steps before commencing Thermostat replacement. You will need the hose clamp pliers (J38185) to separate the radiator outlet hose from the Thermostat Housing. The procedure requires removal of the housing bolts which attach to the water pump inlet alongside the extraction of the Thermostat with its gasket from the water pump housing. Install the new gasket with Thermostat into the water pump housing before installing the Thermostat Housing back into place while tightening bolts to 10 nm (89 inch lbs.). You should first use hose clamp pliers (J38185) to attach the radiator outlet hose to the Thermostat Housing followed by reinstalling the air cleaner assembly and completing the cooling system refill process.

OEM Cadillac Seville Thermostat

Engine Coolant Thermostat

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8 Thermostats found

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Cadillac Seville Thermostat Part Number: 1623547
$8.88 MSRP: $16.56
You Save: $7.68 (47%)
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Product Specifications
- Other Name: Thermostat Assembly-Engine Coolant; Thermostat, Engine Coolant Temperature
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 Cadillac Seville | Base, Elegante | 8 Cyl 4.1 L GAS
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Cadillac Seville Thermostat Part Number: 3539588
$12.60 MSRP: $17.46
You Save: $4.86 (28%)
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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:
- 1992-1993 Cadillac Seville | Base, STS | 8 Cyl 4.9 L GAS
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Cadillac Seville 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
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993-2004 Cadillac Seville | SLS, STS | 8 Cyl 4.6 L GAS
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Cadillac Seville Thermostat Part Number: 12559807
$47.41 MSRP: $94.12
You Save: $46.71 (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:
- 1993-2004 Cadillac Seville | SLS, STS | 8 Cyl 4.6 L GAS
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Cadillac Seville 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:
- 1992-1993, 1990 Cadillac Seville | Base, STS | 8 Cyl 4.5 L GAS, 8 Cyl 4.9 L GAS
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Cadillac Seville Thermostat Housing, Lower Part Number: 1620610
Product Specifications
- Other Name: Housing-Engine Coolant Thermostat Lower; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
- Position: Lower
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 Cadillac Seville | Base, Elegante | 8 Cyl 4.1 L GAS
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Cadillac Seville 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:
- 1990-1993 Cadillac Seville | Base, STS | 8 Cyl 4.5 L GAS, 8 Cyl 4.9 L GAS
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Cadillac Seville Thermostat Housing, Upper Part Number: 1609644
Product Specifications
- Other Name: Housing-Engine Coolant Thermostat Upper; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
- Position: Upper
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 Cadillac Seville | Base, Elegante | 8 Cyl 4.1 L GAS

Cadillac Seville Thermostat

Want to cut long-term maintenance and repair costs? Choose OEM Thermostat. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine Cadillac Seville parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Cadillac Seville Thermostat includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

The Cadillac Seville Thermostat plays an important role among the Cadillac autos and signifies the cars dependability and efficiency. Since the thermostat is located near the radiator of the Cadillac Seville, it is a very important component that is tasked with the responsibility of monitoring the temperature levels and maintaining it within the required limits considered safe and efficient. This closed-loop control device is excellent in handling the flow of heat transfer fluids either through the heating or cooling method on or off. During its production time, Cadillac has fitted several types of the thermostats on the Seville; among them include the wax pellet type that responds to temperature change in a very dynamic manner than the other types thus improving the car's performance whenever they are installed. One of the critical thermostat features is the Cadillac Seville that has been in production between 1975 and 2004, The designs of Seville highlight various generations of this car proving compatibility of this product. Cadillac Seville Thermostat has a profound role to play apart from just controlling the temperature and it adds up to the fuel efficiency and comfort making it to have a unique space in car market. Additional features as dual zone automatic climate control and traction control are some of the features that are characteristic of Cadillac seville and this equipment as the thermostat is a significant factor influencing this model. Standing as a testiment to the Cadillac's high desire for calss and quality the Seville Thermostat not only improves the performance of the engine but it also safeguards the safety and durability of the car, thus making Cadillac the right choice for those who look for classy and reliable car.

Cadillac Seville Thermostat Parts and Q&A

Thermostat
12559807
Q: How to service and repair the thermostat on Cadillac Seville?
A:
A partial drain of the cooling system needs to occur initially before beginning Thermostat servicing. The next step is to remove the assembly for the air cleaner. Use hose clamp pliers j 38185 to loosen the clamp so you can extract the outlet Radiator Hose from the Thermostat Housing. Begin by disconnecting the bolts which secure the Thermostat Housing to the water pump inlet before extracting the Thermostat and its gasket from the water pump housing. After inserting the new gasket and Thermostat into the water pump housing you can proceed by installing the Thermostat Housing. Fasten the Thermostat Housing bolts until they reach 10 nm of torque (89 inch lbs). Use hose clamp pliers (J 38185) to join the outlet Radiator Hose to the Thermostat Housing before reattaching the air cleaner assembly while filling the cooling system.
Thermostat Housing
1647540
Q: How to replace the thermostat on Cadillac Seville?
A:
Parts drainage and air cleaner disassembly should be your first steps before commencing Thermostat replacement. You will need the hose clamp pliers (J38185) to separate the radiator outlet hose from the Thermostat Housing. The procedure requires removal of the housing bolts which attach to the water pump inlet alongside the extraction of the Thermostat with its gasket from the water pump housing. Install the new gasket with Thermostat into the water pump housing before installing the Thermostat Housing back into place while tightening bolts to 10 nm (89 inch lbs.). You should first use hose clamp pliers (J38185) to attach the radiator outlet hose to the Thermostat Housing followed by reinstalling the air cleaner assembly and completing the cooling system refill process.