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Pontiac preventive maintenance repair questions and answers

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  • jmahsetky73006
    jmahsetky73006 - 1998 Pontiac Grand Prix - Preventive Maintenance - 6/23/2012
    What is a vacuum Selenoid ?
    Doors in Vents not opening but cold air flows on top and bottom but not through wents.
    • Jimm
      6/23/2012 Jimm
      A vacuum solenoid is basically a vacuum-operated mechanical switch. It's used to control the vents and other components on the vehicle.
      Try the many on-line auto parts sources, such as; or for the replacement parts.
  • Sam
    Sam - 2005 Pontiac G6 - Preventive Maintenance - 6/19/2012
    Why dies My air condition only work if I put it on the highest number?
    There is a rattling noise sound when my car is on.
  • mrodriue319
    mrodriue319 - 1990 Pontiac Grand Prix - Preventive Maintenance - 6/17/2012
    Where is the rpm sensor?
    when we are driving the car, the rpm gauge jumps into the red and stay's there, just like the speedometer , we do 120 mph within' a half a block. and the gas gauge fluxirates up and down. someone said there was a sensor under the dash, is this true. and where ...
    • dd
      6/17/2012 dd
      sometimes a computer problem will cause this. try this, i know it sounds stupid, but hear me out. disconnect the negative battery wire from the battery. wait 10 minutes, hook it back up. what your doing is resetting the computer. if it stops then you have a computer problem. but it just might buy u some time to replace.
  • Butch
    Butch - 2007 Pontiac Grand Prix - Preventive Maintenance - 6/17/2012
    Ihave replaced all front end light bulbs. the drivers side is dimmer than pass and when go to brights drivers side out
    fuse issue ? relay ?
    • dd
      6/17/2012 dd
      trace you power wires to your head lights. could even be a defective bulb or socket
  • tgarrett
    tgarrett - 2004 Pontiac Sunfire - Preventive Maintenance - 6/10/2012
    Why have my headlights stopped working but my highbeams and tail light still work
    The light switch on my dash blinks on and off when i start my car
    • Jimm
      6/10/2012 Jimm
      Several possibilities; faulty light switch, faulty headlamp relay, faulty headlamp wiring or connections - common to both lights.
  • joe
    joe - 2000 Pontiac Grand Am - Preventive Maintenance - 6/10/2012
    Running hot?
    Engine running hot?
    • CVO
      6/10/2012 CVO
      These are the overheating symptoms.

      A low coolant level, a coolant leak (through internal or external leaks), poor heat conductivity inside the engine because of accumulated deposits in the water jackets, a defective thermostat that doesn't open, poor airflow through the radiator, a slipping fan clutch, an inoperative electric cooling fan, a collapsed lower radiator hose, an eroded or loose water pump impeller, or even a defective radiator cap.

      Note: check the coolant level.
      Air pockets trapped in the cooling system can cause the engine to overheat. Some cooling systems have air bleed valves built into the system to aid in the removal of air pockets. Advice: For many cooling systems, the method of removing air pockets is to start the engine and allow it to run with the radiator cap off or loose until all the air escapes from the neck of the radiator. For some systems this method is not sufficient, and the manufacturer has installed air bleed valves usually near or on the thermostat housing.
  • Al
    Al - 2006 Pontiac Torrent - Preventive Maintenance - 6/8/2012
  • rob
    rob - 2005 Pontiac Grand Prix - Preventive Maintenance - 6/5/2012
    How do I change the spark plugs on the back side of 6cyl. engine?
    Pontiac Grand Prix GT 6cyl. 3.8L. Starts fine but idle is sluggish and rough.
    • CVO
      6/5/2012 CVO
      1. Remove the bolt from the front engine mount and swing the mount out of the way you can jack up on the rear of the engine enough to reach the spark plugs. If you still don't have enough room loosen up the nuts on the front engine mounts on the passenger side of vehicle.


      2. When a fuel filter becomes clogged, the vehicle's performance will seem sluggish and the engine may experience difficult starting and idling due to a insufficient fuel supply.

      Replace the fuel filter.

      6/6/2012 rob
      Thank you for the reply and the link.
      6/6/2012 CVO
      Thank you for using
  • scott
    scott - 2003 Pontiac Grand Am - Preventive Maintenance - 6/1/2012
    How do you know when you should replace your timing chain?
    other than the vehicler shutting off while driving is there any signs to watch for or check out that the timing chain is going?
    • RC
      6/1/2012 RC
      It will usually make noise.
  • J. Marie
    J. Marie - 2006 Pontiac G6 - Preventive Maintenance - 5/30/2012
    How do I know what needs to be looked at if my air condition doesn't get as cold as it use to at a low dial?
    The air condition doesn't get as cold as it use to at the first dial and I don't know if I need a AC recharge or if it could be something else
    0 answer
  • rmb
    rmb - 2003 Pontiac Aztek - Preventive Maintenance - 5/24/2012
    Could using 10W-30 engine oil instead of the recommended 5W-30 shorten the mileage in between oil change?
    In 3/30/2012, my car had an oil change. The shop used 10W-30 instead of 5W-30 which is recommended in my car's manual. After only 2,000 miles, the "change engine oil" signal is lit up. In the past, it would light up after about 3 - 4 thousand miles (previous oil ...
    • raoul_tiesto
      5/24/2012 raoul_tiesto
      Maybe the used a low quality oil.That its the only reason i can think.The difference between the two is that the 5W30 flows better when cold, so if you live in a cold climate or operate your vehicle in a cold climate during the winter months, you should use 5W30 if it is the preferred oil for your vehicle. If you live in a sub-tropical climate and don't operate your vehicle in cold climates, then 10W30 is acceptable as long as the manufacturer specifies that it is permissible to use it.
  • nikki battle
    nikki battle - 2006 Pontiac Grand Prix - Preventive Maintenance - 5/8/2012
    What does charging system failure and starting disabled theft system means
    0 answer
  • William Alford 100
    William Alford 100 - 1993 Pontiac Grand Prix - Preventive Maintenance - 5/3/2012
    My windshield wiper fluid isn't coming out at all. Any suggestions?
    The windshield wiper container is full, but when I press the button for it to come on, either very little comes out or nothing at all.
    • EG9 K20A3
      4/9/2012 EG9 K20A3
      "either very little comes out or nothing at all. " 0 First clean the nozzles and tubes (the nozzle using a needle, the tubes...well, whatever fits is.

      I assume you can hear the motor running right?
      EG9 K20A3
      4/25/2012 William Alford 100
      Sorry for the late response, but yes I can hear the motor running.
    • EG9 K20A3
      4/27/2012 EG9 K20A3
      try unblocking the lines first, it might just be filled with stuff,. use a stick or something
      EG9 K20A3
      Alright. Sounds good
    • EG9 K20A3
      5/3/2012 EG9 K20A3
      Keep me posted chief and good luck
      EG9 K20A3
      6/23/2012 William Alford 100
      I'm about to sell it. Just don't want to put anymore money into the car. Thanks for your advice tho
  • bullard
    bullard - 1999 Pontiac Grand Am - Preventive Maintenance - 5/2/2012
    Sorry, question about #41 fuse is for a Pontiac not Lincoln.
    Pontiac not Lincoln
    • jdl
      5/2/2012 jdl
      Your sure it is the circuit that goes to ignition module? My database showed three different 10 amp fuses with the word ignition in there. Is it the ignition module fuse? With my database, the #41 does not help me.

      There could be a problem with wiring circuit to the module? What about the spark plugs and plug wires? Could have a faulty coil?
      5/3/2012 bullard
      The panel box lid says #41 is ignition mod. I'll start by checking plugs.
  • bullard
    bullard - 1999 Pontiac Grand Am - Preventive Maintenance - 5/1/2012
    My #41 fuse keeps blowing while I'm driving. Three times in a month. Twice in one day. Vehicle shuts down while drivi
    Still have lights, air, radio but won't start back up until the #41 10A fuse is replaced. How do I troubleshoot what's causing this?
    0 answer