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Pontiac transmissions & drivetrains repair questions and answers

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  • micah55
    micah55 - 1999 Pontiac Grand Am - Transmissions & Drivetrains - 11/3/2012
    My car sometimes stutters when I am accelerating or going uphill. Is this a sign my transmission could be going bad?
    Stuttering during acceleration or maintaining speed going uphill.
    • ken454
      9/19/2012 ken454
      needs new spark plugs
    • RC
      9/19/2012 RC
      Scanning the system for trouble codes is the first step. Spark plugs could cause it, but there are other possibilities. An engine tune-up might be a good place to start if it has not been done in a long time.
    • shinost5
      11/3/2012 shinost5
      I had this problem. Since the car has an enclosed transmission it needs to be taken to the shop and have a flush done on it with a spark plug change. Here where i live it cost me about $900 to have them do that.
  • nene.bossy
    nene.bossy - 1998 Pontiac Grand Prix - Transmissions & Drivetrains - 11/1/2012
    Why does my car take off slow then catch speed and after every stop take off slow again?
    Also before this problem when the car heats up it began to jerk or shift gear hard
    • HouseCallAuto
      11/1/2012 HouseCallAuto
      there can be more than one cause for what you are describing, but, just going on my previous experience for the last 30+ years, do this first. plug in a code reader and see what fault codes may be stored, write the code numbers down. If no codes, say that on the updated post. next, try unplugging the mass air flow sensor electrical connector just for a road test. If the problem is gone or almost gone, replace the MAF sensor. If there are codes stored and unplugging the MAF did not change anything, repost with the code numbers you found initially. Unplugging the MAF sensor WILL SET A NEW CODE in memory. That is why I want you to check for codes first, before unplugging the sensor.
  • nene.bossy
    nene.bossy - 1998 Pontiac Grand Prix - Transmissions & Drivetrains - 11/1/2012
    Why does my car take off slow then catch speed and after every stop take off slow again?
    Also before this problem when the car heats up it began to jerk or shift gear hard
    0 answer
  • nene.bossy
    nene.bossy - 1998 Pontiac Grand Prix - Transmissions & Drivetrains - 11/1/2012
    Why does my car take off slow then catch speed and after every stop take off slow again?
    Also before this problem when the car heats up it began to jerk or shift gear hard
    0 answer
  • yateam2
    yateam2 - 2010 Pontiac Vibe - Transmissions & Drivetrains - 10/31/2012
    Traction control flashing
    0 answer
  • heathermae
    heathermae - 1993 Pontiac Grand Am - Transmissions & Drivetrains - 10/28/2012
    How do I get my automatic transmission to shift right?
    When I'm driving down the road it takes longer to shift. It also drinks a lot if gas and I was told it has to do with the air/fuel intake .
    0 answer
  • steve
    steve - 1997 Pontiac Grand Prix - Transmissions & Drivetrains - 10/15/2012
    Transmission won't shift into overdrive
    Shifts fine into first and second and that's it
    0 answer
  • taylor_fresh
    taylor_fresh - 1999 Pontiac Grand Am - Transmissions & Drivetrains - 10/6/2012
    Why does my change oil light appear?
    I recently received a oil change two weeks prior.
    • CVO
      10/6/2012 CVO
      First you need to turn your car On. This is not starting the car! Turn the key two "clicks" forward. All the dashboard lights should come on, along with the radio and odometer.

      If your GM has the four buttons on the dashboard with all sorts of information:
      One button should have a road or "i" on it. Pushing this button will show your mileage, tire pressure, operating temperature, and all sorts of other stuff.
      You are looking for "oil life ##%". Once you find this, press and hold the button with the check-mark on it. After 5-10 seconds it should flash "oil life reset". Tada!

      If your vehicle does not have the buttons mentioned above:
      Turn the car "On" (without starting car!!)
      Press the gas pedal all the way to the floor 3 times within 5 seconds. This is trickier than it sounds. It must be pressed ALL the way to the floor ALL 3 times.
      Then wait 5-10 seconds. The Change Oil Soon light should blink then go out. If not, turn the car off and go through the steps again.

  • Toni
    Toni - 2002 Pontiac Firebird - Transmissions & Drivetrains - 10/4/2012
    Why would vehicle engine over heat when altenator, water pump, thermostat have been replaced?
    Vehicle engine overheats if driven for about 30 min.
    • Jimm
      7/27/2012 Jimm
      Several possibilities for the overheating condition; leaking coolant, coolant mixture is incorrect (not at recommended 50/50 water and anti-freeze), faulty thermostat, faulty / clogged radiator hoses, clogged / restricted radiator, faulty water pump, clogged / restricted cooling passages in the engine, radiator fans faulty, faulty radiator temperature switch, faulty radiator fan clutch (if equipped), fan belt stretched or slipping.
    • Julie
      10/4/2012 Julie
      It is your upper and lower intake manifold gasket this model of firebird has a plastic gasket. When my husband removed the manifold the gasket was deteriorated. Go to O'reilys or autozone and they can tell you what you will need to replace it mine was around $100 for the parts. My husband did the work and it was a lot of work. They should have put a recall on this model and replaced it. Don't drive the car hot or you will have more damage. We went through all of the alternator, water pump, thermostat until finally a person online solved our problem. Good Luck Julie
  • Stewy
    Stewy - 2004 Pontiac Grand Prix - Transmissions & Drivetrains - 10/3/2012
    After every stop, as I step on the gas to accelerate, the engine revs,like it's in neutral, but is actually in gear...
    My friends car is an automatic, and all of a sudden, after every stop his car won't accelerate immediately... The vehicle revs up, as if it is in neutral... It is an automatic, good condition... Never had this kind of issue before...
  • Chelsea
    Chelsea - 2008 Pontiac G6 - Transmissions & Drivetrains - 9/30/2012
    When I get going and start to speed up, my car jolts and sputters a little.
    The car isn't old and I take very good care of it. I don't know what it could be?
    • CVO
      9/30/2012 CVO
      The check engine light doesn't have to be ON to store a fault code.

      A. Check the vehicle for fault codes to see if there are any sensors were involved to the malfunction of the engine.

      1.Local auto parts stores such as Autozone ( not in California) or Advance Auto parts will scan and retrieve any diagnostic trouble codes ( dtc ) stored in the powertrain control module for free of charge..

      2. has the code reader for less than $20.00 dollars.

      3.Re-post the dtc's in here " answer question " for further assistance.

      Note: we need the dtc's to identify the sensor, there are a dozen different sensors to operate the car.

      Visit this site and see all the different sensors.

      Navigate to this site and see the code reader
      I am having the same issues but nothing comes up
      where do u start?
  • caberry
    caberry - 2000 Pontiac Montana - Transmissions & Drivetrains - 9/24/2012
    The gear shift does not change from park to drive or to reverse.Like it is not connected.
    • HouseCallAuto
      9/24/2012 HouseCallAuto
      So the shift cable has either disconnected or it has broken.
  • automd
    automd - 1985 Pontiac Fiero - Transmissions & Drivetrains - 9/18/2012
    How adjust clutch pedal?
    Have to step on clutch pedal hard to the floor, in order to start car.
    0 answer
  • katrina
    katrina - 2004 Pontiac Montana - Transmissions & Drivetrains - 9/16/2012
    My passenger floor board is wet. What can it be?
    Went to a party came out an hour later and floor board on passenger side was wet along side of the door.
    • CVO
      9/16/2012 CVO
      Use a Kleenex or a white towel to clean the mess. Observe the color, if it was green or red, the heater core is broken.
      If there is no color on the water, the AC drainage tube was clogged.