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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 174 (Door System, Mirror System & Window System) >> Repair Instructions >> Cable Tension Adjustment - Sliding Door

Cable Tension Adjustment - Sliding Door

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: By removing the power sliding door (PSD) 15A fuse, the low current logic power for both the LH and RH power sliding door modules (PSDM) will be interrupted and both PSDs will be inoperative.
  1. If equipped with a power sliding door, disable the PSD system by removing the PSD 15A fuse from the instrument panel (I/P) fuse block.
  2. Remove the tail lamp assembly. Refer to Tail Lamp Assembly and/or Backup, Sidemarker, Stop, Turn Signal Bulb Replacement .
    3. Fig 1: Removing/Installing Replacement - Sliding (Manual Or Power)
    GM1480614Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the rear center roller bracket (4) from the door by removing the pin (1) and slide the door forward.
    4. Fig 2: Removing/Installing Rear Pulley
    GM1563032Courtesy of GENERAL MOTORS CORP.
  4. Remove the cover (4) at the rear roller assembly (3) behind the tail lamp held on with one TORX screw.
  5. Remove the sliding door center track cover. Refer to Center Track Cover Replacement - Sliding Door .
    6. Fig 3: Identifying Center Roller Bracket
    GM1480637Courtesy of GENERAL MOTORS CORP.
  6. Remove the cable from the rear roller (1) to supply enough cable to remove the center roller bracket (3).

    Disconnect cables from the center roller bracket and remove the center roller bracket from the track.

    7. Fig 4: Reinstalling Cable To Rear Roller & Guide
    GM1562679Courtesy of GENERAL MOTORS CORP.
  7. Reinstall the cable (1) to rear roller and guide (3).
    8. Fig 5: Identifying Rollers & Grab Cables
    GM1562668Courtesy of GENERAL MOTORS CORP.
  8. With tech standing at the center of the rear wheel, grab both cables (1, 2) and pull cables toward each other.

    Note the barrels on the end of the cables will not pull past each other, 25.4 mm (1 in) apart.

  9. Hold front cable extended and stationary and pull rear cable outward and hold. Release only the rear cable, while maintaining tension and in the same position as noted for the front cable.

    Check for limp cables.

  10. Pull both cables again. The cables should now be able to pull past each other.

    Slowly release cables. The barrels at the end of the cables should be overlapping 25.4 mm (1 in).

  11. If barrels do not overlap one inch after relieving tension, repeat steps 8 thru 10 until they overlap.
    12. Fig 6: Reinstalling Cables To Center Roller Bracket
    GM1562670Courtesy of GENERAL MOTORS CORP.
  12. Reinstall the cables (3) to the center roller bracket (1) and position the roller bracket into the track, while maintaining the tension on the rear cable.
    13. Fig 7: Moving Center Roller Bracket Toward Front Of Vehicle
    GM1562672Courtesy of GENERAL MOTORS CORP.
  13. Move the center roller bracket toward the front of the vehicle until the roller bracket stops in the track, while keeping tension on the rear cable (2) with the other hand.
    14. Fig 8: Checking For Lock Activation In Clutch Housing
    GM1562670Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Tension must be kept on rear cable.
  14. While keeping outward tension on the rear cable and holding down the center roller bracket (1) move the roller bracket rearward and listen for an audible click to come from the clutch housing.

    Continue to move roller bracket rearward, in one motion, release the rear cable and finish pushing roller bracket into the track bumper.

  15. Move the roller bracket forward above wheelhouse.
  16. Hold the roller bracket downward, pull the rear cable outward from inside track and release. The cable should snap quickly back into the track.

    Cable is now properly tensioned.

  17. Move the roller bracket forward to the position where the sliding door pin was removed.
    18. NOTE: Refer to Fastener Notice in Cautions and Notices.
  18. Install the rear roller cover and screw.

    Tighten:  Tighten the screw to 9 N.m (80 lb in).

  19. Install the sliding door center track cover. Refer to Center Track Cover Replacement - Sliding Door .
  20. Install the tail lamp assembly. Refer to Tail Lamp Assembly and/or Backup, Sidemarker, Stop, Turn Signal Bulb Replacement .
    21. Fig 9: Removing/Installing Roller Bracket Pin - Sliding (Manual Or Power)
    GM1480614Courtesy of GENERAL MOTORS CORP.
  21. Install the door center roller bracket (2) to the body roller bracket (4) by installing the pin (1).
  22. Close and latch the door manually.
    23. IMPORTANT: By installing the 15A fuse, the low current logic power will be restored to both the LH and RH PSDMs and the PSDs will be operational. However, both PSDMs will have to learn the full open and full closed positions of the PSD. Refer to Actuator Control Module - Power Sliding Door (PSD) Programming and Setup .
  23. If equipped with a power sliding door, enable the PSD system by installing the PSD 15A fuse into the I/P fuse block.
  24. Operate the door and verify the adjustment.
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