GM Service Manual Online
For 1990-2009 cars only

The jack and the wheel blocks are located under a cover near the passenger side rear seat.

    Rear Seat (Passenger Side) Jack Cover


    Object Number: 805432  Size: B2
  1. Remove the jack cover by turning the two wing nuts one-quarter turn counterclockwise and pulling the jack cover off.

    1. Object Number: 2073722  Size: B4

      Wheel Blocks

      Jack Knob

      Wing Nut

      Retaining Hook

      Jack

      Mounting Bracket

  2. Release the jack (E) from the mounting bracket (F) by turning the jack knob (B) on the jack counterclockwise to release the jack from the mounting bracket.
  3. Remove the wheel blocks (A) attached to the jack (E) by turning the wing nut (C) counterclockwise. Place the wheel blocks where needed as indicated in previously in this section.

The tools for changing a flat tire are located in the passenger's side top-box storage unit.

To remove the tools, do the following:

  1. Open the top door on the passenger's side top-box storage unit. Use the ignition/door key to unlock it if it is locked. See Top-Box Storage for more information.
  2. Remove the black pouch from the storage box.
  3. You now have all of the tools you will need to lower the spare tire and change a flat.

To access the spare tire:


  1. Object Number: 807151  Size: B4

    Spare Tire (Valve Stem Pointed Down)

  2. Hoist Assembly

  3. Hoist Cable

  4. Tire/Wheel Retainer

  5. Hoist Shaft

  6. Hoist End of Extension Tool

  7. Hoist Shaft Access Hole

  8. Wheel Wrench

  9. Jack Handle Extension(s)

  10. Spare Tire Lock

  1. Open the hoist shaft access cover on the bumper to access the spare tire lock (J).
  2. To remove the spare tire lock, insert the ignition key, turn it clockwise and pull it straight out.

  3. Object Number: 1739297  Size: B2
  4. Assemble the two jack handle extensions (I) and wheel wrench (H) as shown.

  5. Object Number: 805774  Size: A3

    Insert the open end of the extension (F) through the hole in the rear bumper (G) (hoist shaft access hole).

  6. Be sure the hoist end (F) of the extension connects to the hoist shaft (E). The ribbed square end of the extension is used to lower the spare tire.
  7. Do not use the chiseled end of the wheel wrench.

  8. Turn the wheel wrench counterclockwise to lower the spare tire to the ground. Continue to turn the wheel wrench until the spare tire can be pulled out from under the vehicle.
  9. If the spare tire does not lower to the ground, the secondary latch is engaged causing the tire not to lower. See Secondary Latch System for more information.


    Object Number: 805763  Size: A2

    Use the wheel wrench hook that allows you to pull the hoist cable towards you, to assist in reaching the spare tire.


    Object Number: 1913863  Size: B3

    Object Number: 1907332  Size: B2
  10. Tilt the tire with slack in the cable to access the tire/wheel retainer (D). Separate the retainer from the guide pin by sliding the retainer up the pin while pressing down on the latch. When the retainer is separated from the guide pin, tilt the retainer and pull it through the center of the wheel along with the cable and guide pin.
  11. Put the spare tire near the flat tire.