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Removing and installing tensioning device - RA13001193450X(13-3450)

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Preceding work:

Poly V-belt removed (13-3420) .

Operation no. of operation texts and work units or standard texts and flat rates

13-1202-4001

1st version 

Fig 1: Identifying Tensioning Device Remove/Install Components
G04678543Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Tensioning device remove, install (100 Nm) (steps 1 to 3).
TIGHTENING TORQUES IN NM

Fastening bolt of tensioning device 100
Bolt of tensioning pulley to bracket (M8X40) 30

Removing, installing 

  1. Remove poly V-belt (13-3420) .
  2. Unscrew bolt (16).

    Tightening torque 100 Nm.

    Fig 2: Locating Poly V-Belt Bolts
    G04678544Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

    Installation instruction 

    The setting pointer must be aligned with that of the first marking (1) in the untensioned condition.

    Fig 3: Identifying First Marking In Untensioned Condition
    G04678545Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  3. Remove tensioning nut (12) together with tensioning bolt (8) from bracket (10) at the power steering pump.

    Installation is performed in the reverse order.

    Fig 4: Locating Poly V-Belt Bolts
    G04678546Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Preceding work:

Poly V-belt removed (13-3420) .

Operation no. of operation texts and work units or standard texts and flat rates

13-3200

2nd and 3rd version 

Fig 5: Identifying Tensioning Device Components - 2Nd And 3Rd Version
G04678547Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
End cover (6) take off, fit on.
2nd version: bolt (5) unscrew, screw on (25 Nm).
3rd version: nut (5a) unscrew, screw on (25 Nm).
Tensioning pulley (3) remove, install.
Bolts (11) and (12) unscrew, screw on (21 Nm).
Tensioning device (1) with sleeve (2) remove, install.
TIGHTENING TORQUES IN NM

Bolts of tensioning pulley 25
Bolts of tensioning device 21

Special tool 

Fig 6: Identifying Special Tool (001 589 72 21 00 00)
G04678548Courtesy of MERCEDES-BENZ OF NORTH AMERICA.