You will probably have to re-thread unless you can get a SLIGHTLY over sized bolt to thread and seal
at or near the thermostat housing
Should be in a removable housing at the engine end of the upper radiator hose
Follow the upper radiator hose to the engine block. The part the hose is connected to is the thermostat housing. The thermostat is under it.
Its located under the throttle body or follow the upper radiator hose til it hits a semi round housing. There is 2 bolts to remove it. First you have to drain the radiator fluid of course. I am changing the thermostat right now on my 2001 Chevy lumina and I see I will have to also remove the throttle body to get to the thermostat housing
1990 Chevrolet Lumina temperature sender is located on the back side of the thermostat housing. The sender has a wire that goes to the temperature gauge.
loosen the bottom bolt with a 13 mm swival head socket, do not remove the bolt all the way, take out the top one and the thermostat housing will slide out and then remove the thermostat.
do i need to change the manifold when replacing thermostat
100
Not tightened properly? Threades stripped?
Remove the water supply hose from your Chevy Equinox thermostat housing. Remove the thermostat housing retaining bolts. Lift the old thermostat out and drop in the new thermostat.
The thermostat on a Chevy 350 is under the housing at the engine end of the upper radiator hose.The thermostat on a Chevy 350 is under the housing at the engine end of the upper radiator hose.
Remove the water supply hose from your 1987 Chevy Astro thermostat housing. Remove the thermostat housing retaining bolts. Remove the old thermostat and drive in the new thermostat.