20 Most Recent 1999 Pontiac Grand Prix - Page 2 Questions & Answers

If tranny fluid is clear and at normal level, then the issue is with the transmission - it is getting ready to go sayonara.

Better get that fix before you get stranded.

1999 Pontiac... | Answered on Mar 24, 2017

Sounds like you have a leaking engine head gasket.

1999 Pontiac... | Answered on Mar 03, 2017

the light will come on when the door is opened and to stop the beep , remove the key from the ignition

1999 Pontiac... | Answered on Jan 30, 2017

if an old battery replace
check out or replace alternator /regulator
check battery terminals are tight



1999 Pontiac... | Answered on Oct 28, 2016

You will need to drill the lock cylinder out using progressively bigger drills and a little drill oil as you drill it.

1999 Pontiac... | Answered on Oct 26, 2016

Mounted to the fuel rail, close to the throttle body. If you have the 3.1 or 3.4, it is bolted on. the 3.8 has a C clip to remove to get it out.

1999 Pontiac... | Answered on Oct 15, 2016

replace also the spark plugs and see what happen if still miss firing change the spark solenoids

1999 Pontiac... | Answered on Aug 13, 2016

Important: This sunroof system is timed from the factory in order to allow the actuator to shut off automatically when the sunroof window reaches a certain position. Use extreme care when removing the actuator from the sunroof module. This may cause the timing to be thrown off. This may damage to the sunroof. Anytime the actuator needs to be removed from the module, ensure that the sunroof window is in the fully closed position.
Remove the sunroof window. Refer to Sunroof Glass Panel Replacement .
Slide the sunshade fully rearward. Move the sunroof window to the vent position. Remove the sunroof screws (two on each side). Remove the sunroof window from the module.
Place the sunroof module in the fully closed position. Remove the headliner. Refer to Headlining Trim Panel Replacement in Interior trim.
Tools Required ?€¢
J 38778 Door Trim Pad and Garnish Clip Remover

J 2772-C Headliner Installer

  1. Remove the sunshades. Refer to Sunshade Replacement .
  2. Remove the overhead console, if equipped. Refer to Roof Console Replacement .
  3. Remove the sunshade retainers. Refer to Sunshade Anchor Replacement .
  4. Remove the power sunroof switch, if equipped. Refer to Sunroof Switch Replacement in Roof.
  5. Remove the sunroof trim lace, if equipped. Refer to Sunroof Seal/Molding Replacement in Roof.
  6. Remove the dome light, if equipped.
  7. Remove the coat hooks. Refer to Coat Hook Replacement .
  8. Remove the assist handles. Assist Strap Replacement
  9. Remove the rail lamp. Refer to Roof Side Rail Lamp Replacement in Lighting.
  10. Remove the windshield side garnish molding. Refer to Windshield Pillar Garnish Molding Replacement .
  11. Remove the upper quarter trim panels. Refer to Rear Quarter Upper Trim Panel Replacement .
  12. Remove the center pillar upper trim panel. Refer to Center Pillar Upper Trim Panel Replacement .
  13. Pull down on the door opening weatherstrip seal on both the front and the rear doors.
  14. Remove the 2 rear retainers (2) using J 38778 Door Trim Pad and Garnish Clip Remover. Disconnect the headliner electric harness at the right side of the rear window shelf. Rotate the right front seatback to a horizontal position. Remove the headliner from the vehicle through the right front door.
Disconnect the electrical connector from the actuator.
Important: Before removing the actuator, ensure that the pins J 41718 are tight and holding the cable.
Thread the J 41718 into the front sunroof window screw hole in order to retain the cable adjustment. Remove the sunroof actuator screws. Remove the sunroof actuator from the module. Did you look for a video on youtube ?

1999 Pontiac... | Answered on Jul 30, 2016

unhook battery for a half hour and pull ecm fuse under hood whats it doing

1999 Pontiac... | Answered on Jul 17, 2016

Have a tranny shop test drive this, but I will be willing to bet you just have a transmission that is in need of a rebuild. Don't install a transmission until it is properly diagnosed by a transmission shop expert.

1999 Pontiac... | Answered on May 20, 2016

or you getting the right fuel pressure? check fluid filter, check pressure regulator, check spark plugs to see if they are soaking wet if they or wet take them all out and pull fuel pump relay out turn engine over and blow all gas out the plug holes. install plugs and relay and try start again , check engine compression, check coolant senor ,check cam sensor

1999 Pontiac... | Answered on May 07, 2016

There is 2 hoses that go onto tubes on the bracket, also check to see if the elbow below the bracket is not broke, It goes from that bracket into the lower intake manifold

1999 Pontiac... | Answered on Mar 17, 2016

You will see three relays hooked up under the hood and all are identical One for fuel pump, one for radiator cooling fan.If you think one is bad swap them around to test them which is the easiest way to test them

1999 Pontiac... | Answered on Feb 12, 2016

If you can hear the motor running then you are in good shape. The arm/lifting mechanism most likely lost its pivot pin which will be evident when you open up the door panel

1999 Pontiac... | Answered on Nov 11, 2015

there really is no way of removing balancer easily you will need a balancer remover and have to remove everything that is in your way of removing it

1999 Pontiac... | Answered on Oct 22, 2015

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