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Replace Valve Stem Seals - AR05.30-P-3510-01MRH

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Engine 264 

REFER TO CAPACITIES & SPECIFICATIONS Specified engine oils for Cars, Vans (service) - Overview   BB00.40-P-0223-02A
MODIFICATION NOTES

02.10.2020 Color assignment of valve stem seal (1) adapted. Operation step 5.  
Fig 1: Identifying Pliers (606 589 00 37 00)
G13744139Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Drift (604 589 00 43 00)
G11128333Courtesy of MERCEDES-BENZ USA
  1. Use SPECIAL TOOL pliers (2) to remove valve stem seal (1).
  2. Check valve stem for ridging and pitting.

    If ridging is present,

    ↓

    Deburr valve stem.

    If pitting is present,

    ↓

    Replace valve.

  3. Fit protective sleeve onto the valve stem.
  4. Moisten valve stem seal (1) with engine oil.
  5. Install valve stem seal (1) by inserting SPECIAL TOOL drift (3) to end stop.

    IMPORTANT Install valve stem seal (1) with red sealing on exhaust side and with black sealing on intake side.

    G14180746Courtesy of MERCEDES-BENZ USA
  6. Pull off protective sleeve from valve stem.