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Home >> Porsche >> 2016 >> Cayman GTS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (13 - Engine - CRANKGEAR, Pistons) >> WM 137819 Removing And Installing Drive Belt On 4.8 L DFI Engine (Cayenne S Tip, Cayenne S Man, Cayenne Turbo, Cayenne GTS Tip, Cayenne GTS, Cayenne Turbo S) >> Preliminary Work

Preliminary Work

WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove intake manifold (air box) from throttle housing as far as the mass air flow meters. → Removing Air Box For Throttle Housing (Intake Pipe Upstream Of Throttle Valve)

    Information 

    NOTE: Drive belt removed incorrectly
    • Risk of damage to drive belt

    → Only remove the drive belt when it is cold.

    → Replace damaged drive belt.

    NOTE: Drive belt breaks and becomes jammed
    • Risk of damage to components (trim panels, electric cables, etc.)
    • Sealing ring on crankshaft vibration balancer can start to leak
    • Vibration balancer can overheat and lose its strength

    → Following belt breakage, check adjacent components and the interior of the engine compartment for damage, and repair or replace damaged parts if necessary.

    → Find out why the belt broke. Check deflection rollers or crankshaft vibration balancer for prior damage.

    → If the drive belt is jammed, replace vibration balancer.

    WARNING: Rotating components
    • Danger of limbs being trapped or severed

    → Disconnect power supply to the drive motor of components or to the battery.

    Fig 1: Drive Belt Pulley Routing Diagram (Turbo M48/51)
    G09409155Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. Water pump pulley
    2. Deflection roller
    3. Air-conditioning compressor pulley
    4. Power-steering pump or tandem pump pulley
    5. Vibration balancer
    6. Belt tensioner
    7. Deflection roller
    8. Generator pulley
    9. Hexagon on belt tensioner
    10. Control line connection
    11. Positive crankcase ventilation connection
    12. Coolant hose connecting clip
      Fig 2: Drive Belt Routing Diagram (M48/01)
      G09409156Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. Water pump pulley
    2. Deflection roller
    3. Air-conditioning compressor pulley
    4. Power-steering pump or tandem pump pulley
    5. Vibration balancer
    6. Belt tensioner tensioning roller
    7. Deflection roller
    8. Generator pulley
    9. Hexagon on belt tensioner
    10. Coolant hose connecting clip
      Fig 3: Exploded View Of Belt Drive
      G09409157Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. Deflection roller 2
    2. Hydraulic belt tensioner
    3. Screw, M8 x 96
    4. Deflection roller 1
    5. Dual poly V-belt
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