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The thermostat on a 2000 Isuzu Trooper is located on top of the engine, below the upper radiator hose. It controls the flow of coolant to the radiator and throughout the vehicle.
Under the water neck, where the upper radiator hose to connected to the intake manifold on top of the engine.
I found it on 91 V6 under air cleaner on front of the intake manifold. look around the upper radiator hose
Part Of Upper Control Arm
You have to replace the whole control arm on front upper ball joints in that particular vehicle.
I have 2000 expedition and thought i could change then. After taking my wheel off i notice they could not be change. You need to replace the upper control arm.
You have to change the upper control arm.
The belt itself is rubber and wouldn't have a mark. The mark is usually at the top of the engine and one on the upper belt gear that when they are facing one another means your on the money.
replace the upper control arm and take it to aligment shop it will be the right process
You will need to replace the upper control arm. My research has determined it is not possible to purchase the ball joint seperately. If you do happen to find the ball joint you will have to press the old one out of the control arm which can be a real pain. Autozone has a tool to do it with but I am opting to just change the control arm so the bushing are also new. Moog Part number for the Upper Ball Joint is K80008. This is WITHOUT the control arm. Changing the control may prove to be easier but will most likely be a dealer item.
what type of car & are you replacing one or both.
puting your finger in the motor