first you need to loosen the air filter box and remove it along with the throttle body (youll need a flat head screwdriver, plires, a 10mm deep socket and a 1/2 inch deep socket) then youll be able to get to the thermo, have a rag handy cuz theryll be fluid, the thermo is inside the horizontal pipe (note the position of the spring). reassemble.
do i need to change the manifold when replacing thermostat
how to change rotors on a 2001 Chevy lumina
Change your thermostat. Mine had the same problem and it was stuck open.
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how can i change the turn singal on a 1990 Chevy lumina
Replace the thermostat.
how to change timing cover gasket on a 1996 chevy lumina
how do you change a thermostat sensor in a 2001 Chevy cavalier and where is it
How do I change the clock setting on a 1997 Chevy Lumina with a CD stereo system?
replace a windshield wiper switch on a 1995 chevy lumina van
The easiest way to reset the ABS light in a 1992 Chevy Lumina is to disconnect the battery for about 30 minutes. When it is reconnected, the light should be reset.
how do you change the heater hoses on 1993 chey lumina 3.8 liter