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Home >> Mercedes Benz >> 2008 >> GL320 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Crank Assembly - 164 Chassis) >> Testing & Repair >> Connecting rod bearing/bolts/screws - AR03.10-P-6111 >> Tightening connecting rod screws - AR03.10-P-6111-02VA

Tightening connecting rod screws - AR03.10-P-6111-02VA

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CONNECTING ROD

Number Designation Engine 272 Engine 273
BA03.10-P-1001-01E Connecting rod bolt Stage 1 Nm 5 5
Stage 2 Nm 20 25
Stage 3 ∠ ° 90 90
CONNECTING ROD

Number Designation Engine 156
BA03.10-P-1001-01Q Connecting rod bearing cap on connecting rod Stage 1 Nm 25
Stage 2 ∠ ° 90
Stage 3 ∠ ° 10
  1. Lubricate the thread and head contact surface of the bolt with engine oil.
  2. Tighten connecting rod bolts to step  1.
  3. Tighten connecting rod bolts to step  2.
  4. Tighten connecting rod bolts to step  3.

    IMPORTANT If no torquing angle wrench is available, connecting rod screws can be torqued further by the specified angle in a single operation using a wrench and tommy bar.

    Do not use a flexi-rod torque wrench for tightening in order to avoid any angle errors.

    Shown on engine 272 

    Fig 1: Tightening Connecting Rod Bolts - Shown On Engine 272
    G04731511Courtesy of MERCEDES-BENZ OF NORTH AMERICA.