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Home >> Mercedes Benz >> 1994 >> C220 >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Engine Timing - 140 Chassis) >> Testing & Repair >> Checking, removing and installing valve guides - AR05.30-P-3731AO >> Reaming out basic bore to standard size I - AR05.30-P-3731-02AO

Reaming out basic bore to standard size I - AR05.30-P-3731-02AO

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TEST VALUES FOR VALVE GUIDES

Number Designation Engine 120 bright metal valve guide (1st version) Engine 120 centered metal valve guide (2nd version)
BE05.30-P-1001-02B Valve guide basic bore in cylinder head Standard size mm 13.5...13.51 12.5...12.51
Standard size I mm 13.53 12.53
Repair size I mm 13.70 12.70
Fig 1: Identifying Reamer (119 589 00 53 00)
G04677419Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 2: Identifying Reamer (104 589 00 53 00)
G04677420Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  1. Ream through basic bore to standard size I with reamer (3); lubricate with petroleum during this step. Apply only slight pressure when reaming and do not twist reamer (3). Clean blades of reamer (3) before each reaming operation.
    Fig 3: Identifying Reamer Basic Bore
    G04677421Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
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