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Home >> Porsche >> 2019 >> Macan Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (15 Engine - Cylinder Head, Valve Drive 3.0L -- 95B - MACAN (95B)) >> WM, 150506 - Checking And Setting Camshaft Timing (V6 Turbo) >> Setting And Checking Timing Of Camshafts >> Checking Timing Of Camshafts

Checking Timing Of Camshafts

WARNING: This page is about a different variant/trim than selected.
  1. Turn the crankshaft clockwise until the marking on the vibration damper -1-  is positioned at TDC -2-  .
    G15145542Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    TDC marking on vibration damper

  2. The markings on the camshaft actuators (cylinder bank 1) -1 and 2-  must be aligned with the reference points on the camshaft housing -Arrows-  . Turn the crankshaft one further turn clockwise if necessary.
    G15145543Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Markings on camshaft actuator (cylinder bank 1)

  3. The markings on the camshaft actuators (cylinder bank 2) -1 and 2-  must be aligned with the reference points -Lines-  on the camshaft housing.
    G15145544Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Markings on camshaft actuator (cylinder bank 2)

  4. Remove stoppers on camshafts -1-  .
    1. 4.1  Release and disconnect quick connector -3-  .
    2. 4.2  Move vacuum hoses -4-  aside so that the stoppers on the camshafts -1-  are accessible.
    3. 4.3  Unscrew screws -2-  .
    4. 4.4  Remove stoppers on camshafts -1-  .
    G15145545Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Stoppers on camshafts

  5. Screw adapter T40331/2 -1-  from T40331 - camshaft clamp  tool kit into the camshaft housing on cylinder bank 1 and tighten to 9 Nm (6.5 ftlb.). 
    G15145546Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Adapter on camshaft housing, cylinder bank 1

  6. Screw adapter T40331/3 -1-  from T40331 - camshaft clamp  tool kit into the camshaft housing on cylinder bank 2 and tighten to 9 Nm (6.5 ftlb.). 
    G15145547Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Adapter on camshaft housing, cylinder bank 2

    Information 

    The camshaft clamp must be easy to insert and must not be fitted using a striking tool. 

    Information 

    It may be necessary for another person to carefully position the camshafts at the actuators using T90001 - counterhold tool  and VAS 261 001 - Ring wrench insert, a/f 41  .

  7. Insert T40331 - camshaft clamp  .
    1. 7.1  Insert T40331 - camshaft clamp  .

      Cylinder bank 1 Camshaft clamps on cylinder bank 1 

      G15145548Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Camshaft clamps on cylinder bank 1

      1. T40331/1 - The letter "A" must be facing you 
      2. T40331/9 
      3. T40331/2 
      4. T40331/5 - Exhaust camshaft 
      5. T40331/4 - Intake camshaft 
      1. 7.1.1 T40331/9 -1-  must be screwed in by hand. Tighten screws on the camshaft clamp -Arrows-  to 9 Nm (6.5 ftlb.). 
    2. 7.2  Cylinder bank 2
      G15145549Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Camshaft clamps on cylinder bank 2

      1. T40331/1 - The letter "B" must be facing you 
      2. T40331/9 
      3. T40331/3 
      4. T40331/5 - Exhaust camshaft 
      5. T40331/6 - Intake camshaft 
      1. 7.2.1 T40331/9 -2-  must be screwed in by hand. Tighten screws on the camshaft clamp -Arrows-  to 9 Nm (6.5 ftlb.). 
  8. Secure the crankshaft.
    1. 8.1  Unscrew screw plug -1-  .
    2. 8.2  Remove holder for vacuum reservoir -3-  .
    3. 8.3  Screw T40069 - locking pin  into the bore -2-  by hand.

      Turn the crankshaft back and forth slightly to do this, if necessary.

    4. 8.4  Tighten T40069 - locking pin  to 20 Nm (15 ftlb.). 
      G15145550Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Screw plug for crankshaft

      NOTIFICATION 

      Timing not set correctly 

      • Risk of engine damage 
      • Rough running engine 
      • Loss of engine power 
        1. → Do not use force when fitting the staking tool.
        2. → Make sure that the gap is equal on both sides.
        3. → When inserting the staking tools, do not use force to turn the camshafts against any resistance.
        4. → The engine must be exactly at top dead centre.
        5. → The opposite cylinder must be at ignition TDC.
  9. If the staking tools can be inserted as described, the timing is OK.

    If the staking tools cannot  be inserted as described, the timing must be set.

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