1997 - 1999 Corvette: Service Bulletin: SMU - Revised Seatback Cover Removal Procedure

Subject: SMU - Revised Seatback Cover Removal Procedure
Source: Chevrolet Dealer Technical Service Bulletin
Number: 99-08-50-002

Models: 1997-99 Chevrolet Corvette

This bulletin is being issued to revise the seatback cover and pad replacement procedures in the Seats sub-section of Body & Accessories in the Service Manual.

Please use the following to replace the existing information in the Service Manual.

Seatback Cover and Pad Replacement - Base Seat

Removal Procedure

1. Position the seat forward.
2. Tilt the seat back forward.
3. Unzip the seatback cover.
4. Unhook the seatback cover lower J strips by sliding the cover sideways.
5. Carefully slide and pull the cover material out from under the seatback release lever bezel.
6. Remove the cover unhooking the hook and loop fasteners from the foam pad.
7. Remove the upper fasteners attaching the foam pad (if removing the pad).
8. Remove the foam pad (if necessary).

Installation Procedure

1. Install the foam pad over the seatback frame (if removed).
2. Attach the foam pad top straps with fir tree fasteners (if removed).
3. Position the cover over the foam.
4. Carefully tuck the seatback material behind the release lever bezel.
5. Zip the cover closed.
6. Firmly pull the seatback cover down over the seat frame.
7. Hook the seatback lower trim cover J strip.

Seatback Cover and Pad Replacement - Sport Seat

Removal Procedure

1. Remove the insert pillow. Refer to Seat Back Trim Replacement -- Front (Sport Seat Insert Pillow).
   
   
   
   
   
   Important
   
   There are two size fir tree fasteners used. If the head of the fastener is 19 mm (0.75 in), it is possible to remove the trim by slightly raising the fir tree fasteners and then sliding the seatback cover tab over the head of the fastener. If the head of the fir tree fastener is 25 mm (1 in), it is necessary to remove the fastener.
   
2. Check the size of the fir tree fasteners heads.
3. Raise or remove the lower fir tree fasteners and detach the seatback cover from the seat frame.
4. Unzip the seatback cover upper zipper.
5. Carefully slide and pull the cover material out from under the seatback release lever bezel.
6. Pull the seatback cover from the bolsters.
7. Remove the fir tree fasteners from the foam pad upper retaining straps (if replacing the pad).
8. Remove the foam pad (if replacing the pad).

Installation Procedure

1. Install the foam pad (if removed).
2. Attach the foam pad top straps with fir tree fasteners (if removed).
3. Position the seatback cover over the seatback frame.
4. Pull firmly down on the seatback cover.
5. Attach the seatback cover with the fir tree fasteners using one of the following methods:

• Slide each of the seatback cover tabs over the 19 mm (0.75 in) head of a lower fir tree fastener and push the fastener in to secure.
• Install new fir tree fasteners through the seatback cover and the lumbar bladder assembly into the seatback frame.

1. Zip the upper zipper closed.
3. Tuck the zipper ends out of sight into the seat trim.
4. Pull the back of the seatback cover down firmly.
5. Tuck the lower corners of the seatback cover over the foam.
6. Carefully tuck the seatback cover behind the release lever bezel.
   
   
7. Install the insert pillow. Refer to Seat Back Trim Replacement - Front (Sport Seat Insert Pillow).