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Home >> Mercedes Benz >> 1995 >> C220 >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Complete Engine - 140 Chassis) >> Repair & Adjustments (Gasoline Engines) >> Remove/install front cover at top (01-2120) >> Removing and installing front covers at top - RA01001192120X(01-2120)

Removing and installing front covers at top - RA01001192120X(01-2120)

WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.

Preceding work:

Hazard warnings when hood opened (01-0080) .

Removing, installing cylinder head covers (01-0500) .

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

  1. Engine 119.960 in model 129 
    Fig 1: Identifying Front Covers Remove/Install Components (Engine 119.960 In Model 129)
    G04676833Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
    Bracket (10) of actuator detach, attach (21 Nm) (step 1).
    Shielding caps (1) and high voltage distributor (2) remove, install.
    Covers (1a) remove, install.
    Ignition cable holder, right side unbolt, bolt on.
    Power steering pump (11) (1st version) with mounting plate remove, install.
    Poly V-belt slacken, tension (13-3420) .
    Bracket of poly V-belt tensioning device unbolt, bolt on (21 Nm).
    Power steering pump (11) with mounting plate and lines/wiring connected unbolt, place to the side, bolt on (21 Nm).
    Power steering pump (11) (2nd version) with reservoir (13) remove, install (step 8).
    Power steering pump (11), oil in reservoir (13) extract, adjust oil to correct level (step 9).
    Oil line (15) at reservoir (13) unbolt, bolt on (step 10).
    Seal (14) replace according to condition.
    Filter (18) remove, install.
    Reservoir (13) unbolt, bolt on (8 Nm) (step 12).
    Gasket (12) replace according to condition.
    Distributor rotor (3) and follower (4) remove, install.
    Protective cover (5) and seals (6) take off, fit on.
    Connector of solenoid (8) of camshaft adjuster unplug, plug in.
    Front covers at top (30), (30a) remove.
    Sealing surfaces clean.
    Sealing surfaces coat with sealant 002 989 47 20 10.
    Front covers (30), (30a) install with insertion sleeve, special tool 119 589 00 14 00.
    Leaks check with engine running.
    TIGHTENING TORQUE SPECIFICATION

    Cylinder head cover to cylinder head 9
    Distributor rotor to follower (reference value) 2.5
    Front cover at top to cylinder head 21
    Mounting plate of power steering pump 21
    Reservoir to power steering pump (Torx) 8

    Special tools 

    Fig 2: Identifying Special Tool (001 589 72 21 00)
    G04676834Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
    Fig 3: Identifying Special Tool (119 589 00 14 00)
    G04676835Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
    Fig 4: Identifying Special Tool (112 589 00 72 00)
    G04676836Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

    Removing, installing 

    1. Unscrew bolts from bracket of actuator.

      Installation note 

      Bolts should be coated with sealant

      002 589 47 20 10 when installing.

    2. Unbolt shielding caps and high voltage distributors and take off.
    3. Unbolt coverings from front cover.
    4. Unbolt right ignition cable holder at cylinder head.
    5. If power steering fitted with non-removable reservoir (1st version) perform steps  8 to  9.
    6. Slacken poly V-belt (13-3420) .
    7. Unscrew bolts (arrows). Place mounting plate with power steering pump (11) and lines/wiring connected to the side. Tightening torque 21 Nm.

      Installation note 

      The bolt which is screwed into the cylinder head at the front must be coated with sealant when installed. Pay attention to angle bracket (1) of wiring harness.

      Fig 5: Identifying Power Steering Pump
      G04676837Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
    8. If power steering pump with detachable reservoir (2nd version) is fitted perform steps  11 to  14.
    9. Extract oil from the reservoir of the power steering pump with the hand-pump, special tool 112 589 00 72 00 for extracting oil.

      Installation note 

      Fill power steering pump and bleed.

      Fig 6: Extracting Oil From Reservoir Of Power Steering Pump With Hand-Pump
      G04676838Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
    10. Unbolt oil line (15) at reservoir.

      Installation note 

      Replace seal according to condition.

    11. Remove filter in reservoir of power steering pump.
    12. Unscrew bolts (Torx) (arrows). Take off reservoir (13). Tightening torque 8 Nm.

      Installation note 

      Replace gasket of reservoir (13) according to condition.

      Fig 7: Identifying Oil Line And Reservoir Bolts
      G04676839Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
    13. Unbolt distributor rotor and follower.

      Installation note 

      The slot of the follower must engage over the pin in the camshaft.

    14. Unplug connector of solenoid of camshaft adjuster.
    15. Unscrew bolts of covers at front, take off cover.
    16. Clean sealing surfaces.
    17. Coat front covers with sealant 002 989 47 20 10.

      Fit insertion sleeve, special tool

      119 589 00 14 00, onto exhaust camshaft sprockets and install front covers.

    18. Coat front cover bolts with sealant.

      Tightening torque 21 Nm.

    19. Install in reverse order.
    20. Run engine, check for leaks.
  2. Engine 119.97 

    Preceding work:

    Cylinder head cover removed (01-0500) .

    Driver removed (01-2130) .

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

    Fig 8: Identifying Front Covers Remove/Install Components - Engine 119.97 (1 Of 2)
    G04676840Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
    Left front cover (30a) : cap (23) and filter (18) at reservoir (13) of power steering pump remove, install.
    Left front cover (30a) : oil in reservoir (13) extract with hand-pump, special tool
    112 589 00 72 00.
    Installation note 
    Fill power steering pump and bleed.
    Left front cover: oil line (15) unbolt, bolt on.
    Installation note 
    Replace O-ring (14).
    Left front cover (30a) : bolts (17) (Torx E8) unscrew, screw on.
    Left front cover (30a) : reservoir (13) with gasket (12) remove, install.
    Installation note 
    Replace gasket (12) according to condition.
    Connector of solenoid (Y49) of camshaft adjuster unplug, plug in.
    Bracket of cover (1) or (1a) unbolt, bolt on.
    Installation note 
    Clip ignition cable and ignition cable duct into bracket of cover (1) or (1a).
    Fig 9: Identifying Front Covers Remove/Install Components - Engine 119.97 (2 Of 2)
    G04676841Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
    Front covers (30) and (30a) unbolt, remove.
    Sealing surfaces clean.
    Front covers (30) and (30a) at contact surfaces to cylinder head coat with sealant 002 989 47 20 10.
    Bolts (28) and (29) coat with sealant 002 989 47 20 10.
    Insertion sleeve (01) fit onto exhaust camshafts, pull off, special tool 119 589 00 14 00.
    Front covers (30) and (30a) fit on, bolt on (21 Nm).
    Leaks check with engine running.
    TIGHTENING TORQUE SPECIFICATION

    Bolts of front covers 25
    Reservoir at power steering pump (Torx E8) 9

    Special tools 

    Fig 10: Identifying Special Tool (001 589 72 21 00)
    G04676842Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
    Fig 11: Identifying Special Tool (119 589 00 14 00)
    G04676843Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  3. Engine 119.98 in model 210 

    Preceding work:

    Cylinder head covers removed (01-0500) .

    Poly V-belt removed (13-3420)

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

    Fig 12: Identifying Front Covers Remove/Install Components - Engine 119.98 In Model 210 (1 Of 2)
    G04676844Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
    Left front cover (30a) on version with power steering pump: unbolt power steering pump with supporting plate (11), bolt on (25 Nm).
    NOTE: This is done by removing bolt at front (2) and bolts at rear (1).

    When installing bolt at front (2), coat with sealant 002 989 47 20 10.
    If tandem pump fitted, pump remains installed; unscrew bottom left bolt for front cover with extended hexagon socket bit.
    Right front cover with secondary air injection: unbolt secondary air injection valve at air pump support, push to the side, bolt on.
    Connector of camshaft adjuster solenoid (Y49) unplug, plug in.
    Front cover (30) and (30a) unbolt, remove.
    Fig 13: Identifying Front Covers Remove/Install Components - Engine 119.98 In Model 210 (2 Of 2)
    G04676845Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
    Sealing surfaces clean.
    Contact surfaces of front cover (30) and (30a) to cylinder head coat with sealant 002 989 47 20 10.
    Bolts (28) and (29) coat with sealant 002 989 47 20 10.
    Front covers (30) and (30a) fit on, pay attention to dowel pins, screw on (25 Nm).
    Engine run and check for leaks.
    TIGHTENING TORQUE SPECIFICATION

    Bolts of front covers 25

    Special tool 

    Fig 14: Identifying Special Tool (001 589 72 21 00)
    G04676846Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
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