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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1535 (Folding Roof System) >> Repair Instructions >> Folding Top Cover Tension Adjustment - Front

Folding Top Cover Tension Adjustment - Front

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Convertible Top
    GM214136Courtesy of GENERAL MOTORS CORP.
  1. Close the convertible top.
  2. Fig 2: Folding Top Cover At Top Cover Between #1 & #2 Bows
    GM790102Courtesy of GENERAL MOTORS CORP.
  3. Verify the tension in the folding top cover by setting a 1 M (3.28 ft) straight edge on the top cover between the #1 and the #2 bows.
  4. Set a 4.5 kg (10 lb) weight next to the straight edge in the center of the top.
  5. Using a ruler, measure the sag distance between the bottom of the straight edge and the top cover:
    • Cloth: 13-15 mm (0.51-0.60 in)
    • Vinyl: 17-20 mm (0.67-0.79 in)
  6. If the tension does not meet these specifications, modify the tension by continuing with the following steps.
  7. To modify the tension in the folding top cover, remove the folding top. Refer to Folding Top Replacement 
  8. Fig 3: Weatherstrip Screws At Right & Left Front Side Rail
    GM214117Courtesy of GENERAL MOTORS CORP.
  9. At the #1 bow, remove the weatherstrip screws from the right and from the left front side rail.
  10. Fig 4: Seal Compression Panel
    GM777786Courtesy of GENERAL MOTORS CORP.
  11. Remove the screws from the seal compression panel.
  12. Remove the seal compression panel.
  13. Fig 5: Top Cover Staples To Bow
    GM784488Courtesy of GENERAL MOTORS CORP.
  14. Using a pair of needle nose pliers remove the top cover staples.
  15. Pull the top cover forward to increase the tension.
  16. Fig 6: Steel Rivets At Bow
    GM790487Courtesy of GENERAL MOTORS CORP.
  17. Fold the top cover over the #1 bow and secure with 5 cm (2 in) pinch clamps. Place the clamps directly over the steel rivets within the bow.
  18. Fig 7: Folding Top Cover At Top Cover Between #1 & #2 Bows
    GM790102Courtesy of GENERAL MOTORS CORP.
  19. Using a ruler as before, verify the tension again and adjust the tension as necessary.
  20. Fig 8: Staple Top Cover To Bow
    GM790101Courtesy of GENERAL MOTORS CORP.
  21. If the tension is correct, staple the top cover to the bow.
  22. Fig 9: Seal Compression Panel To Bow
    GM777792Courtesy of GENERAL MOTORS CORP.
  23. Position the seal compression panel to the bow.
  24. Fig 10: Seal Compression Panel
    GM777786Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  25. Install the seal compression panel screws.

    Tighten:  Tighten the screws to 3 N.m (26 lb in).

  26. Fig 11: Weatherstrip Screws At Right & Left Front Side Rail
    GM214117Courtesy of GENERAL MOTORS CORP.
  27. Install the front side rail seal screws.

    Tighten:  Tighten the screws to 2 N.m (18 lb in).

  28. Reposition the top to the original position.