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Mercedes Benz 300SE (126.024) L6-3.0L (103.981) (1989)03 · Maintenance
03 · Maintenance

Drive Belt: Specifications (page 3 of 4)

Make
Mercedes Benz
Model
300 Series 300SE (126.024)
Engine
L6-3.0L (103.981)
Year
1989
Section
Drive Belt
MaintenanceSpecifications · page 3 of 4
Drive Belt: Specifications (page 3 of 4) – Mercedes-Benz 300SE W126 L6-3.0L M103 (1989)

Drive Belt: Service and Repair

Removing and installing poly-V-belt 

Preceding work:

-

Viscous fan clutch removed.

 

 

-

Slacken bolt (16) about 1/4-1/2 turn.

-

Slacken tensioning nut (5) (turn to the left).

-

Take off poly-V-belt (27).

-

Check belt pulley profiles for signs of damage and dirt replace if necessary (eg. worn bearing points of tensioning device, dents in belt pulleys
etc.).

Caution!  If poly-V-belt has broken or dropped off, check concentricity of shafts and belt pulleys.

-

Turn setting pointer (13) to marking (1) (arrow).

-

Fit poly-V-belt on beginning at tensioning pulley (1). Refer to routing diagrams.   See: Diagrams

Caution!  Do not use belt wax or similar products.

-

Tension tensioning nut (5) until setting pointer (13) is aligned with marking (2) (arrow). Pay attention to note

-

Tighten bolt (16) (75 Nm).

-

Check seat of belt on belt pulleys.

 
 
Tightening torque in Nm 

Securing bolt of tensioning device: 75 Nm 

Pinch or Ctrl + scroll to zoom. Double-tap to reset.

The same page in: 300E 4MATIC (124.230) L6-3.0L (103.985) (1990), 300CE (124.050) L6-3.0L (103.983) (1989), 300CE (124.050) L6-3.0L (103.983) (1989), 300E (124.026) L6-2.6L (103.940) (1990), 300E (124.026) L6-2.6L (103.940) (1990), 300E (124.030) L6-3.0L (103.983) (1986), 300E (124.030) L6-3.0L (103.983) (1986), 300E 4MATIC (124.230) L6-3.0L (103.985) (1990), 300SEL (126.025) L6-3.0L (103.981) (1988), 300SEL (126.025) L6-3.0L (103.981) (1988), 300SE (126.024) L6-3.0L (103.981) (1989), 300TE (124.090) L6-3.0L (103.983) (1989).

Parts & tools for this job For 1989 Mercedes-Benz 300 Series 3.0L

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