Question about 2002 Pontiac Montana
At 70 mph, My 2002 Pontiac Montana showed 1500-1700 rpm on the tach. Suddenly it shows 2100 rpm at 70 mph. Do I have a problem with the trans?
No I don't think so , it is only the torque converter clutch engaging and disengaging due to engine load. if you want to test this. go on steady speed over 50 mph no gas pedal movement. touch lightly the brake pedal but not braking and release . during this see the rpm drop down and raise
hope it helps
Posted on Mar 24, 2014
Testimonial: "First, Thanks for the Help! Now, a little more history. I had the trans rebuilt by a reputable local trans shop. When I got it back, it showed each gear working at 1500-1700 rpm at normal speed. Then months later, one day I noticed that, only in OD, The rpm were 2100-2200 at 65 mph. Question: Have I lost OD, or is this higher rpm a sign of something else wrong with the trans? Thanks again. (Dennis with 2 Ns)"
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Posted on Jan 02, 2017
there are 4 screws. two in the front behind the cup holder and two up underneath in the cupholder bay after the cupholder is removed. they are phillips head and 8mm I believe. this is all you need to remove the cover.
Posted on Jan 12, 2009
check the coolant level fiirst...if that is low it wont give you any heat.....to change the thermostat you have to follow the top radiator hose to the engine.at the send of it you will see a clamp take it loose...then you will see the thermostat housing its held in place by 2 bolts . once you remove them you have the thermostat....make sure you clean all the old gasket material off both the housing and mount.also make sure you get a new gasket.
Posted on Jan 29, 2009
the cabel from the heat dial to the heater box behind the dash could be snaped or jamed thus not opperating the lever which operates the flap which open and closes the heat box next to the matrix. or if your coolant is brown in colour it could be your matrix is clogged with sedament and needs flushing out. or it could be your water pump not pumping coolant round your engine or it could be a knackerd thermostat i hope these will help you id start with the easyest first thermostat
Posted on Dec 17, 2009
I beleive you need to change the Power Window Switches Module in the drivers side door panel, as these connections are interlinked within this module and it is usually the first part that fails. Especially that you already changed the switches & motor in the passenger door and it still does not work. Once you remove the dual switch module in the driver's side door, you will understand what I mean. Plus it is really easy to access. Good luck! I have the same model, Claude
Posted on Jun 16, 2010
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