SOURCE: Replacing 90 pipe assembly part on 1997 Grand Prix GT
If its the same as my GTP, its just under the Supercharger right in the middle of the intake.
Just pull it out, its only held in with a O-ring. When you replace it, make sure you lube the gasket with grease so its easier to put back in, and less likely to nick the O-ring.
SOURCE: 1997 Grand Prix GT.new3800 and fuel pump, spark and gas, nofire!
Hello! When you swapped the engine, did you have the PCM (Powertrain Control Module) from the new motor as well? If not - you will need to have a "CASE" learn run on the PCM that you're currently using (the one from your previous engine). Important note: the 1997 Grand Prix GT's and GTP's have quite a few differences from the 98-03's. The CASE procedure is run using the Tech II tool and can be done at any dealership in about 10 minutes. If they aren't sure what that is, suggest to them that they follow the procedure for DTC 1336 - Crankshaft Position (CKP) System Variation Not Learned. :)
Hope this helps and good luck!
SOURCE: where is the heater core located in 1997 pontiac grand prix
Core is dead center in front of the shift console. There is a bunch of plastic that needs to be removed to get to it, including (on most) the console.
Hardest part of job is getting to the heater hose ends on the firewall (difficult to get to from above or underneath unless it's on a lift, but not impossible) Haynes and Chilton have pretty good instructions for that job and you can use the manuals for other stuff as well...(about $20)
Job takes some time but is much easier than a Jeep!!!! (all day job)
Good luck
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