Cabriolet Rear Bow - Replacement Revisions
88porsche02Subject: Replacing Cabriolet Rear Bow
Model
911 Cabriolet
Group
6
Part Identifier
6130
Number
8801
March 4, 1988
In an effort to further minimize repair cost of Cabriolet tops, the replacement of the rear bow as a complete unit is no longer necessary. The rear top bow is now available in three separate pieces; center bow, left side bow support and right side bow support.
PARTS LIST
Qty. Description Part Number
1 Bow support left 911 561 927 00 70B
1 Bow Section-Center 911 561 215 00
1 Bow support right 911 561 928 00 70B
5 Counter sunk screws 5 x 12 900 269 017 02
5 Washers N 011 523 7
5 Nuts M5 N 011 182 1
1 Cap screw M10 x 28 911 561 420 00
1 Cap screw M8 x 24 911 561 421 00
Labor Operations and time units:
61 01 15 06 Adjust electric Cabriolet top (Does not include adjustments on the bow 140 TU
support hinges and/or rear window)
61 60 19 06 R and R left or right bow support on electric Cabriolet top. (Includes 450 TU
adjusting Cabriolet top)
61 30 20 06 R and R left and right bow support on electric Cabriolet top. (Includes 640 TU
adjusting Cabriolet top)
WORK PROCEDURE
The following procedure describes replacing the left or right side section of the rear bow.
Removing Cabriolet Rear Bow Support
1) Raise top approx. 2 inches to release tension.
2) Remove inside bow cover 7 screws in the front 4 screws in the rear 1 each side bottom
3) Remove lower side trim. Loosen 6 mm allen head screws (front) and remove phillips head screws rear.
4) Remove nuts and washers from "B" pillar seal. Raise top to half open and remove "B" pillar seal.
5) Remove lower and upper canvas phillips head screws. Remove lower tenax snaps.
Note: Upper phillips screw with corner piece and nut.
6) Cut stitching at bow lower corner. Retain plastic washer between top and back materials.
7) Remove tightening bow bracket (5 mm allen head screws).
8) Pull off outer side canvas (pull to inside of vehicle).
9) Pull off inner side covering material. Remove two phillips screws in bow bar.
10) Pull canvas off rear bow inside. Start pull ing from upper corners (3 canvas layers). The rear and front canvas is glued together here.
11) Remove 11 screws from rear bow mounting rail using 7 mm socket.
12) Pull off three layer canvas to the rear. Detach front from rear canvas.
13) With the top closed, pull back outer canvas. Pull back tape and inner lining. Unhook rubber strap for tensioning bow.
14) Open top slightly. Disconnect swivel linkage from bow. (Two cap bolts) Detach wiring harness when working on right side.
15) Drill out rivets between center bow on bow support using a 6 mm drill (5 rivets).
16) Unscrew lower bow retainer bolts (3 bolts) and remove bow support.
Note: There are adjustment shims under retainer, normally one shim.
INSTALLING REAR BOW SUPPORT
1) The drilled holes must be countersunk 90 degrees from the outside. Installed screws must be flush with outer surface of the bow to prevent poor appearance and top material damage.
2) Engage new bow support in U-shaped profile of center bow. Install 5 countersunk screws with washers and nuts. Tighten screws. Cover screw heads and center and side bow joining area with duct tape.
3) Install lower bow retainer bolts (do not tighten at this time).
4) Connect swivel linkage. Make sure plastic washers are installed correctly and not damaged.
Note: Always use new cap screws.
5) Attach wiring harness if working on right side.
6) Align top bow "B" pillar in line with door jamb and tighten bolts.
7) Reconnect rubber strap and hog ring.
8) With the top closed, pull outside canvas tight and mark position of hole for upper corner phillips screw. (Hook up for tensioning cable.) Drill 4 mm hole.
9) Reinstall headliner.
10) Install top outside canvas. Seam must be below rear edge of bow. Pull canvas tight. Make sure there are no folds in the canvas.
11) Install rear bow mounting rail screws. Align screw holes using small screwdriver or similar instrument. Install square washers thick side up. Pull head liner down on corner, then tighten outer screws.
12) Install inside side canvas. Pull tight using a heat gun at the same time. Apply glue on both sides of canvas and frame. Start gluing from bottom.
13) Glue side flap to top bow and install two phillips screws.
14) Glue outside canvas on both sides. Guide in lower tensioning bracket. Lower rubber seal should be outside of tensioning bracket. Lower edge front and rear canvas should be in line. Install phillips screws and snaps on side canvas.
15) Tighten tensioning bracket nuts. At the same time, push bracket to the outside to make it flush with the seal.
16) Open top straight up. Install upper corner phillips screw with nut. Hook up tensioning cable.
17) Install "B" pillar seal. Align to window glass.
18) Install bow covering and side trim panel.
19) Loop stitch lower canvas corner and tie off.
Before starting final top adjustments, open and close top several times.
Refer to Technical Bulletin Group 6, Number 8708 dated September 21, 1987 for adjustment information.