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Home >> Porsche >> 2017 >> Panamera Turbo >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (13 Engine - Crank Drive, Pistons 3.0L Turbo -- 971 - PANAMERA (971)) >> WM, 134801 Checking Crankshaft (Checking Bearing Clearance) (V6 Turbo) >> Checking Crankshaft (Checking Bearing Clearance) >> Checking Radial Play Of Crankshaft

Checking Radial Play Of Crankshaft

WARNING: This page is about a different variant/trim than selected.
  1. Remove crankshaft bearing covers.

    > Removing and installing crankshaft (V6 Turbo) 

  2. Carefully clean crankshaft bearing pin.
  3. Place Plastigage strip corresponding to the width of the bearing at the centre  of the bearing pin or into the bearing shell.
  4. Fit crankshaft bearing covers.
    1. 4.1 Position crankshaft bearing covers.
    2. 4.2 Screw in screws for crankshaft bearing covers fully by hand and tighten in the specified tightening sequence. Do not turn the crankshaft! 
    3. 4.3 Tighten screws on crankshaft bearing covers -1 to 8-  to > Initial tightening 30 Nm (22.1 ftlb.)  .
    4. 4.4 Tighten screws on crankshaft bearing covers at the sides -9-  to > Tightening torque 20 Nm (14.8 ftlb.)  .
    5. 4.5 Tighten screws on crankshaft bearing covers -1 to 8-  to > Torque angle + 90°  .
    6. 4.6 Tighten screws on crankshaft bearing covers at the sides -9-  to > Torque angle + 90°  .
    Fig 1: Crankshaft Bearing Covers Screws Tightening Sequence
    G15821364Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Tightening sequence for crankshaft bearing covers

  5. Remove crankshaft bearing covers.

    > Removing and installing crankshaft (V6 Turbo) 

  6. Compare Plastigage strip with setpoint values shown in the table.
Radial play In mm
New:  0.021-0.036
Wear limit:  0.08