300SL (129.061) L6-3.0L (104.981) (1991)
Timing Chain Tensioner: Technical Service Bulletins
Camshaft Timing Adjuster - Revised Mounting Bolts
REF. NO.
MBNA 05/6a
TO:
OUR MERCEDES-BENZ PASSENGER CAR DEALERS
DATE:
September 1991
SUBJECT:
ENGINES 104.980/981 MOUNTING BOLTS FOR CAMSHAFT TIMING ADJUSTER
Note:
This Service Information includes revised Parts Information.
Figure 1
Figure 2
As of 5/91 and the effective serial numbers below, the mounting bolts (item 15a, Figures 1 and 2) for the camshaft timing adjuster have been modified.
Torx screw T30 is now used (item 15c [M7 x 13.5], Figures 1 and 2) instead of the previous hex. head screw (M7 x 11.6).
Effective Serial Number
Engine
Transmission
Engine End Number
104.980
Automatic
023614
104.981
Manual
001035
104.981
Automatic
010154
When performing repairs requiring the removal of the camshaft timing adjuster, use only the Torx screws (see table on page 2 for parts application).
Tightening Torque:
22 N-m
Parts Information
Part Name
Part Number
Camshaft timing adjuster
Intake camshaft flange
Mounting holes "d"
Dimension "e"
(15a) Hex. head screw
104 990 03 22
With countersink
6.8 mm (1)
(M7 x 11.6)
(15b) Torx screw
104 990 05 04
Without countersink
6.8 mm (2)
T30 (M7 x 12.4)