Convertible - Spoiler Eliminates Droning Noise

WORK INSTRUCTIONS

Group: 77

Number: 252

Date: March 1991

SUBJECT: SUBSEQUENT INSTALLATION OF SPOILER FOR SOFT TOP REAR WINDOW MODEL 129






In case of customer complaints about a droning noise at the rear window, a spoiler can be installed to eliminate the noise.





Begin work by having soft top partially open. Turn ignition key to "off". This will allow you to manually position the top as outlined below.

Extent of job (start at position A):
Fabric retaining rail (23) place upright
Soft top cover (7) push aside and remove screw (10) (position A)
Soft top place in vertical position (position A)
Note: Support the soft top with wooden pieces, each 300 mm long (arrow), at the left and right side cloth holding brace, to prevent the soft top from collapsing.
Screw (1) remove from grip recess (2)
Panel (3) press off with a plastic wedge and remove seal from panel (3)
Screws (11) unscrew and unhook headliner (12) from soft top frame
Headliner (12) unhook from bows
Screws (17) unscrew and remove headliner (12)
Fabric covers (arrows) loosen at bows
Screws (19) unscrew from fabric retaining rail (23)
Soft top close and lock in place using soft top switch or manually. using hand tools (remove wooden pieces)

Procedure:





1. Loosen soft top fabric cover from rail with a plastic wedge (Figure 3).
2. Cover soft top fabric cover with paper.





3. Fold cover toward front and loosen rail from cover (Figure 4).
4. Remove sealing rope remains from soft top fabric cover and bow.

Note: Use a wad (or clump) of butyl rope to remove the remaining sealant residue by dabbing.





5. Scribe the new positioning of the modified rail onto the soft top fabric cover (see Figure 5).

Note: Measured from the center, the new marking should flow into the previous marking on the left and right side after approximately 400 mm.





6. Apply MB special adhesive to rail and glueing area of soft top fabric cover (Figure 6). Allow time for glue to tack up.
7. Position rail at new marking and glue it to soft top fabric cover (step 5). Hold it in place for glue to set up, using 6" pieces of 1/2" wooden dowel and vise grips.





8. Glue spoiler to bow using MB special adhesive (center arrow, Figure 7).
9. Apply thin bead of MB glass sealant over the whole length (above the mounting holes) of the bow or spoiler (Figure 7).





10. Position rail on bow, fasten with vise grips and punch mounting holes with an awl (Figure 8).
11. Fasten screws.
12. Place fabric retaining rail in upright position.





13. Push aside soft top fabric cover at rail and fasten screw (Figure 9).
14. Close soft top completely and lock into position using soft top switch or manual tools.





15. Glue fabric covers to bow (Figure 10).
16. Open soft top partially, and with ignition key in "off" position, place soft top in vertical position.





Note: Support the soft top with wooden pieces, each 300 mm long (Figure 11, arrow), at the left and right side cloth holding brace, to prevent the soft top from collapsing.





17. Place headliner mounting bar (12) on rail and fasten with screws (17) (Figure 12).





18. Press rail covers onto bows and install headliner at front of soft top frame (Figure 13).





19. Fasten screws (11) (Figure 14).





20. Place sealing rope onto panel (3), fasten with clips to soft top frame, and install grip recess (2) with screws (11) (Figure 15).
21. Test for water leaks.

Parts, Warranty and Damage Code Information: