54 37 030 Replacing Butyl At Front Left or Right Roof Shell Seal

54 37 030 Replacing Butyl At Front Left Or Right Roof Shell Seal

Special tools required:







Installation note:
- Screws with sealing compound must be replaced and must not be reused
- Thread of nut must be cleaned beforehand

New parts required:
- Butyl rope dia. 4 mm 83 22 2 159 535
- Butyl rope dia. 7 mm 83 19 0 416 659
- Butyl flat tape 1.5 mm x 15 mm 83 19 0 153 321

These repair instructions are also available in the form of a film.







Removing the seal:
Measure gap dimensions in following areas with special tool 00 9 470:







A. between roof shell and trim strip
B. between front and middle trim strips

Note down gap dimensions.

Necessary preliminary tasks:







- Move soft top to working position.







Release screw (1).

Tightening torque: 54 37 01AZ.







Unbutton tab (1).







IMPORTANT: Protect seal from damage by masking it off.

Release screws (1).

Tightening torque: 54 37 01AZ.

Heat seal to approx. 60 °C with hot air blower.

Remove seal at left side of vehicle.







Preparation:







On-the-job safety:
- Comply with the relevant safety regulations







Remove residual butyl from roof shell and seal.

Clean adhesive area with adhesive remover.

Air drying time: ≥ equal to 1 minute

IMPORTANT: Adhesive area must be dry and free from dust and grease.







Apply butyl flat tape (1) to corner of roof shell (30 mm in length). Maintain distance of 20 mm from threaded bush.







Prepare butyl rope dia. 7 mm and 250 mm in length.

Starting at seal carrier, apply butyl rope as far as threaded bushing and cut off excess butyl.







Apply butyl flat tape (1) to corner of roof shell (30 mm in length). Maintain distance of 20 mm (dimension a) from threaded bushing.







Prepare butyl rope dia. 4 mm and 30 mm in length.

Apply butyl rope dia. 4 mm (1) around elongated hole.

Prepare butyl rope dia. 7 mm and 150 mm in length.

Apply butyl rope dia. 7 mm (2) along edge.







Apply butyl rope with dia. 7 mm (1) and cut off excess butyl.

Prepare butyl rope dia. 4 mm and 150 mm in length.







Apply butyl rope in area (1).







Apply butyl rope in area (1) and cut off excess butyl.







Apply butyl rope in area (1) and cut off excess butyl.

Prepare butyl rope dia. 7 mm and 500 mm in length.







Apply butyl rope in area (1). Ensure that butyl rope (1) is correctly positioned in radius of roof shell (2).







IMPORTANT:
- Risk of leaks.
- Connect and smoothen all butyl rope contact points.







Installing the seal:
Fit seal starting from the front.







Align attachment point (1) of seal in relation to thread.

Push on seal at front and side.







Button tab (1) into roof shell.

Distribute butyl evenly beneath the tab.







Loosely screw in new bolts.

Remove support and close roof.

Align seal in a flush position at front and rear and screw in position. Check gap dimensions.

Tightening torque: 54 37 01AZ.







Checks:
- Check seal for escaping butyl. If possible, allow vehicle to stand with roof closed for several hours. Repeat test.
Remove escaping butyl.

- Check that bolts are firmly seated. There must not be a gap between the bolt head and the seal.
- Carry out leak test. To do this, attach a hose to the roof and allow water to run over the affected area for 20 minutes.