To replace the thermostat on a 1998 Cadillac, locate the area you will be working in. The thermostat is located at the rear of the engine on the drivers side. Then locate the upper hose. Remove the upper hose from the housing and disconnect the unit. You can then safely replace the thermostat piece.
How do I replace the heater core in my 98 cadillac deville
Vrey carefully
I paid $89 for a thermostat and $98 for labor
In the motor.
Replace your thermostat.
replace it
removed thermostat on 98 Bonneville and also removed rubber seal -- cannot get the old seal back into the housing.... help
How to replace the belt
$500 without the thermostat $750 with Thermostat $1000 with all hoses replaced
You may need to replace the radiator thermostat and gasket.
The 1999 Cadillac thermostat can be found on the front of the engine. The thermostat will be inside of the thermostat housing. You can follow the top radiator hose directly to the thermostat housing.
Check coolant level Perhaps thermostat is not opening to allow coolant to flow