SOURCE: I have 2001 Pontiac Bonneville My heat works but
Your passenger side temperature door actuator is bad. You can access the actuator by removing the glove box & hush panel. The actuator is on the side of the HVAC box. If you can gain access to the actuator watch the center of the actuator as you change the temp on the control head, if the actuator does not move it is bad, if it does, the door inside the HVAC box is bad. Most likely its the actuator. If you remove the actuator & open it up you will most likely find the large center plastic gear is cracked all the way through. It is held in place by 2 or 3 7/32 screws. Once you replace it, disconnect your battery wait 30 seconds and reconnect it to reset the HVAC control head so it can relearn your actuator positions. It can take up to 5 minutes for the control head to go through it's relearn procedure. You can try resetting the actuator first , but make sure your radio is turned off before you disconnect the battery and if your luck, the actuator may not have any broken parts and the gears may just need to be freed up and lubed. Good luck friend and hope this helps.
SOURCE: How do you reset the computer on a 2001 Pontiac
Try with disconnecting the negative wire of the battery and waiting. About 5 mins should be enough, but if you have a theft-proof area, leave it overnight.
SOURCE: 2001 pontiac cowl pack not fireing.
Here is a diagram of the firing order for you 3800 engine. Cylinders 1 and 4 are misfiring because the operate under the same "Coil Pack" and the coil pack has unfortunately gone bad. O'Reilly sells them for between $30-50 depending on the amount of warranty coverage you want. To replace, simply unscrew the screws that hold the coil pack in place. WAIT before unplugging the plug wires. Place the old coil pack and new coil pack next to each other, unplug one plug wire, then plug it to that same port on the new coil pack. then do the same for the other plug wire. Then screw your new coil pack in place, and start you car. should run fine!
SOURCE: Serpentine belt diagram for a 2001 Pontiac Bonneville SSEI
these motors have two carrier pulleys and oone tensioner. lookinjg at the motor from the rightside of car the belt goes as follaws: crank pully to super charger from the left. the right side goes up to the lower carrier which will have the flat of the belt riding on it. from there the belt routes to the upper carrier
[ loop it over so the grooves ride
] and then under the tensioner any questions contact [email protected]
SOURCE: 93 Bonneville Won't Start
the car will run when the key is in start position. As soon as you reales the key it dies
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