Question about 1993 Cadillac DeVille
Hi, Thermostat Operation:
Your engine must be cold before removing the thermostat.
Find the location of your thermostat by following the rubber hose located on bottom of your radiator (passenger side) to the point where it attaches to the engine. Remove the two bolts at that location and you'll find your thermostat nestled in there.
Be sure to place a pail under the car to contain the coolant.
All the best
Thermostat Operation:The automotive thermostat is a temperature controlled on and off valve. When the temperature rises to a predetermined temperature, the thermostat opens up to allow the engine coolant to flow through the cylinder block and the radiator. This flow is crucial to maintain optimum operating temperature for fuel efficiency, enhanced driveability, and engine protection. The coolant flow is reduced when the engine is cold, and the flow is increased when the engine is hot. Contrary to popular opinion, operating the vehicle without the thermostat doesn't make the engine run cooler. It will actually run hotter because there isn't a thermostat to slow the coolant flow. This means the coolant doesn't stay in the radiator long enough to dissipate its heat.
Posted on May 24, 2011
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Posted on Jan 02, 2017
Tips for a great answer:
Trace the upper radiator hose to the mounting area on the intake manifold. Loosen the hose clamp on the manifold end of the hose and remove the hose. Pull the thermostat out of the intake manifold.
For more help and troubleshooting go through the help links below:---
Click the link below:-----
THERMOSTAT REMOVAL PROCEDURE/LOCATION DETAILS
Where is Thermostat Located on
How to Replace a Thermostat.
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