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Home >> Porsche >> 2020 >> Macan Turbo >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (13 Engine - Crank Drive, Pistons 2.0L -- 95B - MACAN (95B)) >> WM, 134801 - Checking Crankshaft - Checking Bearing Clearance (R4) >> 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. Carefully clean crankshaft bearing pin.
  2. Place Plastigage strip corresponding to the width of the bearing at the centre  of the bearing pin or into the bearing shell.
  3. Install crankshaft bearing covers.
    Fig 1: Crankshaft Bearing Covers Screws Tightening Sequence
    G15144721Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Crankshaft

    1. 3.1  Position crankshaft bearing covers.
    2. 3.2  Screw in screws for crankshaft bearing covers fully by hand and tighten in the specified tightening sequence. Do not turn the crankshaft! 
    3. 3.3  Tighten screws on crankshaft bearing covers -1 to 10-  .

      Initial tightening 65 Nm (48 ftlb.) 

    4. 3.4  Tighten screws on crankshaft bearing covers -1 to 10-  .

      Final tightening + 90° 

    5. 3.5  Tighten screws on crankshaft bearing covers -A -  .

      Initial tightening 20 Nm (15 ftlb.) 

    6. 3.6  Tighten screws on crankshaft bearing covers -A -  .

      Final tightening + 90° 

  4. Remove crankshaft bearing covers.

    > 134819 - REMOVING AND INSTALLING CRANKSHAFT 

  5. Compare Plastigage strip with setpoint values shown in the table.
Crankshaft bearing dimensions:
Play New Wear limit
Radial play 0.017... 0.037 mm 0.15 mm