For pics and instructions check out the following website.
These pics may not be exactly for your engine but the proceedure and location is the same.
http://macgp.clubgp.com/howto/engine/tstat/tstat.htm
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"G"
Where is the thermostat
if its a chain^
Follow the top radiator hose down to the water outlet; your thermostat is in here. Mark
V6 3.1 OR QUAD 4 2.3?
where can you find a diagram of 1994 pontiac grand am motor?
3.1L? read the instructions under how to change on a 1996 cutlass...its the same motor and in the same place and is changed the same way. that's the nice thing about GM. .
my husband is trying to replace the master cylinder on a 1994 grand am. he was wondering on how to align the gears for the abs.
the library should have a shop manual for this vehicle :)
How do you do a front-end alignment on a 1994 pontiac grand prix?
how do you replace thermostat on 1994 Honda civic dx
if you take the cap off of the radiator it is in there actually no its not. follow the top radiator hose to the engine. that is where your thermostat is. you will have to drain the radiator, remove the engine side of the hose and remove the thermostat housing to access it.
please helpp me replace a oil pump for my 94 grand prix, I 'm having problems removing oil pan! what do I needto do ?