-
Cadillac Master
17,989 Answers
- Posted on Sep 02, 2011
Re: How do you change a thermostat on a 1997 Caddilac...
Check this diagram location...
Fig. Thermostat installation - 4.6L Engine
4.6L Engine
-
Drain the coolant to a level below the thermostat housing.
-
On some vehicles, access is easier if the front-end beauty panel and the air cleaner are removed.
-
Remove the 2 bolts securing the thermostat housing to the intake manifold.
-
Remove the thermostat housing.
-
Remove the thermostat and O-ring from the housing.
To install:
-
Install the thermostat and new O-ring to the housing.
-
Install the thermostat housing to the intake manifold. Tighten the thermostat housing bolts to 18 ft. lbs. (25 Nm).
-
Refill the cooling system using a 50/50 mixture of water and ethylene glycol antifreeze.
-
Install the air cleaner and beauty panel, if removed.
-
Start the engine and check for coolant leaks. Allow the engine to
come to normal operating temperature. Recheck for coolant leaks.
Hope this helps.
Testimonial: "Thank you so much.. I've printed this out for hubby and hopefully it will be an easier day with the car tomorrow.. Apreciate your help!"
×