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Home >> Porsche >> 2023 >> Cayenne Base, 4D Utility Coupe >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (24 Fuel System - Electronic Injection 2.9L -- 9YA - Cayenne (9YA)) >> WM, 246319 Removing And Installing High-Pressure Pump (V6 Turbo) >> Removing High-Pressure Pump

Removing High-Pressure Pump

WARNING: This page is about a different variant/trim than selected.
WARNING: Highly inflammable or explosive materials 
  • Danger of fire or explosion 
    • → Avoid contact with hot parts or sources of ignition.
    • → Use suction to remove ignitable vapors.
    • → Attach warning sign in a clearly visible position.
    • → Contain leaked media using non-flammable absorbent material and put it in a container designed for this purpose for disposal in accordance with local requirements.
    • → Secure collection containers/vessels to prevent them from tipping over.
WARNING: Toxic substances 
  • Danger of poisoning or suffocation 
  • Danger of burns to the eyes and skin 
    • → Ventilate the work area well.
    • → Never ingest or inhale.
    • → Read specific information on the Hazard Sheet.
    • → Wear personal protective gear.
    • → Do not smoke, eat or drink in the work area.

NOTIFICATION 

Fuel system is still pressurized 

Information 

Information 

The rules relating to cleanliness and instructions for working on the fuel system must always be observed before and during the work.

> 2X00IN RULES RELATING TO CLEANLINESS AND INSTRUCTIONS FOR WORKING ON THE FUEL SYSTEM

> 2X00IN BASIC SAFETY INSTRUCTIONS FOR WORKING WITH THE FUEL SYSTEM

Information 

  1. Remove sound absorber on high-pressure pump -1-  .
    G15258338Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Sound absorber for high-pressure pump

  2. Unclip lines -2-  from holder -3-  and push them aside.
    G15258339Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    High-pressure pump lines

  3. Release and disconnect electric plug connection -4-  .
    G15258340Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Electric plug connection for high-pressure pump

  4. Unscrew union nuts -5-  and remove fuel lines -6-  .
    G15258341Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Fuel lines (high-pressure)

  5. Unscrew screws -7-  and remove high-pressure pump -8-  .
    G15258342Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Screws on high-pressure pump

  6. Remove roller tappet from cylinder head.