54 37 025 Replacing rear roof shell seal
Special tools required:
Mixed installation is not permitted!
DISTINGUISHING FEATURES , sealing system.
Installation note:
- Screws with sealing compound must be replaced and must not be reused.
- Thread of nut must be cleaned beforehand.
New parts required:
- Gasket
- Butyl rope dia. 4 mm
Necessary preliminary tasks:
- Remove HEADLINING .
- Move into ASSEMBLY POSITION .
- Bring vehicle to garage/workshop temperature.
Release screws (1).
Release screw (2) with special tool 00 4 430 .
Tightening torque: 54 37 01AZ .
Pull seal off roof shell at rear.
On-the-job safety:
- Comply with the relevant safety regulations.
REMOVE remnants of adhesive from roof shell.
Clean adhesive area with isohexane.
Air drying time: ≥ 1 minute
Once it has been cleaned, do not touch the adhesive area with bare hands.
Use 4 mm dia. butyl bead.
Overview of butyl bead laying on roof shell, front:
- Apply butyl bead with dia. 4 mm ±1 mm with a length of at least 40 mm in sheet metal bead.
- Apply butyl bead with dia. 4 mm ±1 mm above push pin bores.
- Apply butyl bead with dia. 4 mm ±1 mm with a length of 70 mm in center of flange to roof shell.
Installation note:
Press seal with trim strip (1) firmly onto roof shell.
Align screw fastening points to thread in roof shell.
Installation note:
Press seal onto butyl bead.
Pop in seal in marked area (1).
Installation note:
For optimum securing of seal (2), press down entire upper area with special tool 51 0 300 .
If necessary, use plastic hammer and impact protection.
Check retraction depth of windows and adjust . See 51 32 154 ADJUSTING LEFT OR RIGHT FRONT SIDE WINDOW or 51 37 154 ADJUSTING REAR LEFT OR RIGHT SIDE WINDOW if necessary.
Carry out LEAK TEST .