How to replace the engine coolant thermostat on Cadillac DTS?

Begin substituting the engine coolant Thermostat by removing the air cleaner first. Drain the cooling system after positioning the hose clamp at the Thermostat Housing. You may use the vac-n-fill or static fill arrangements for this step. The hose clamp pliers (J 38185) help redirect the radiator outlet hose clamp at the Thermostat Housing before extracting the radiator outlet hose from that location. Begin by uninstalling the Thermostat Housing bolts before extracting the Thermostat Housing, Thermostat and gasket from the water pump housing which requires discarding the previous Thermostat Housing gasket. The replacement process starts with installing the new Thermostat Housing gasket into the water pump housing before putting in the Thermostat. Receiver the Thermostat Housing after bolt installation while tightening the Thermostat Housing bolts to a torque level of 10 n.m (89 lb in). Use hose clamp pliers (J 38185) to secure the radiator outlet hose at its mounting position on the Thermostat Housing. The last step involves filling the cooling system after reinstallation of the air cleaner.

OEM Cadillac DTS Thermostat

Engine Coolant Thermostat

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Cadillac DTS 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:
- 2006-2011 Cadillac DTS | Base, Livery, Luxury, Platinum, Premium | 8 Cyl 4.6 L GAS
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Cadillac DTS Thermostat Part Number: 12559807
$47.41 MSRP: $94.12
You Save: $46.71 (50%)
Ships in 1-2 Business Days
ADD TO CART
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:
- 2006-2011 Cadillac DTS | Base, Livery, Luxury, Platinum, Premium | 8 Cyl 4.6 L GAS

Cadillac DTS Thermostat

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Cadillac DTS Thermostat represents the required element for the functioning of the car's cooling system; it is usually installed close to the radiator. Its main use is to control the heat generated by the engine to meet desirable levels of performance. Controlled devices that can detect a temperature setpoint and help in physical environments for the residential segments and industrial segments are known as thermostats. There are different types of thermostats; mechanical type include bimetallic strips and wax pellets and pneumatic, which are air-filled control tubes thermostats. Such improvements have in effect created better and more precise controls of temperature in automotive systems making comfort in Cadillac DTS as well as increasing its efficiency.

Cadillac DTS Thermostat Parts Questions & Experts Answers

Thermostat
12559807
Q: How to replace the engine coolant thermostat on Cadillac DTS?
A:
Begin substituting the engine coolant Thermostat by removing the air cleaner first. Drain the cooling system after positioning the hose clamp at the Thermostat Housing. You may use the vac-n-fill or static fill arrangements for this step. The hose clamp pliers (J 38185) help redirect the radiator outlet hose clamp at the Thermostat Housing before extracting the radiator outlet hose from that location. Begin by uninstalling the Thermostat Housing bolts before extracting the Thermostat Housing, Thermostat and gasket from the water pump housing which requires discarding the previous Thermostat Housing gasket. The replacement process starts with installing the new Thermostat Housing gasket into the water pump housing before putting in the Thermostat. Receiver the Thermostat Housing after bolt installation while tightening the Thermostat Housing bolts to a torque level of 10 n.m (89 lb in). Use hose clamp pliers (J 38185) to secure the radiator outlet hose at its mounting position on the Thermostat Housing. The last step involves filling the cooling system after reinstallation of the air cleaner.