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When you service the cooling system.
remove the 2 bolts that hold the thermostat housing to the intake manifold which the upper radiator hose attaches to the housing then just pull the thermostat out and replace.
You just ask a redneck how!!
where do you put freon in on a 2000 gmc jimmy
Yep and the core is a pain to replace.
need to replace the fuel regulator in my 2000 gmc jimmy, needing a diagram of motor can you help? thanks
What type of oil for a 2000 GMC Jimmy
plugged radiator bad water pump bad thermostat
I need to know how to replace a heater core in a 1992 GMC Jimmy?
Thermostat may be stuck open. Replace the thermostat and flush and replace the coolant with a 50/50 mix of anti-freeze and distilled water.
How do you change the abs pump on a 2001 gmc jimmy
its such a cheap part I would just replace it... Check the temperature of the upper radiator hose. If it isn't hot, the thermostat is probably stuck shut.