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Home >> Porsche >> 2003 >> 911 Turbo, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 25 (Brakes - Hydraulic - 911 CARRERA (996)) >> Replacing sucking jet pump >> Removing sucking jet pump

Removing sucking jet pump

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  1. Cover the vehicle with protective covers in the rear area in such a way that the body can not be damaged.
  2. Remove ignition key.
    NOTE: In order to exclude any damage to other components when lowering the engine, the following operation is necessary!
  3. Remove the air cleaner completely and unclip the electrical leads from the right -arrows-  and left of the oxygen sensors on the body (illustration shows right side).
    Fig 1: Unclipping Electrical Leads From Oxygen Sensors On Body
    G03105937Courtesy of PORSCHE OF NORTH AMERICA, INC.
  4. Lower the engine at the rear and support it with special tool -E-  retaining device 9624/1. Refer to Fig 2 . The engine must be lowered until the transmission almost comes into contact with the rear-axle cross member. Procedure for this:
    Fig 2: Positioning Workshop Jack At Rear Crankcase In Connection With Slip-Resistant Intermediate Plate
    G03105938Courtesy of PORSCHE OF NORTH AMERICA, INC.
    • Undo the stabilizer on the rear-axle side sections (4 screws) and secure the retaining device 9624/1 -E-  . Refer to Fig 2 . Turn the pressure screw of the retaining device 9624/1 until the pressure disc -F-  reaches its lowest position.
    • Position the workshop jack at the rear crankcase -arrow-  in connection with a suitable (slip-resistant) intermediate plate (hardwood plate). Place car jack underneath under slight load.
    • Undo the engine carrier at the right and left engine mount -arrow = left engine mount-  .
      Fig 3: Undoing Engine Carrier At Left Engine Mount
      G03105939Courtesy of PORSCHE OF NORTH AMERICA, INC.
    • Lower the engine-transmission unit at the rear with the workshop jack in connection with the (slip-resistant) intermediate plate (hardwood plate) on the crankcase -arrow-  until the transmission housing is almost in contact with the rear axle cross member.
      Fig 4: Lowering Engine-Transmission Unit At Rear With Workshop Jack In Connection With Intermediate Plate On Crankcase
      G03105940Courtesy of PORSCHE OF NORTH AMERICA, INC.
    • In this position, turn the pressure screw of the retaining device 9624/1 -E-  until the pressure disc -F-  comes into contact with the crankcase. Then remove the workshop jack.
  5. Carry out the following disassembly operations:
    • Unclip the lead from the holder -2-  . Refer to Fig 5 .
    • Unlock and remove the hose -3-  . Refer to Fig 5 .
    • Pull off plug -4-  . Refer to Fig 5 .
    • Undo the screw (M6) from the clamp and remove the clamp -5-  .
    • Disconnect lead -A-  for the brake booster. After removing the snap ring -arrow-  , unlock the connection (push the inner sleeve against the outer sleeve) and pull off the lead at the same time. Refer to Fig 5 .
      Fig 5: Disconnecting Lead -A- For The Brake Booster
      G03105941Courtesy of PORSCHE OF NORTH AMERICA, INC.
  6. Remove the lead to the right intake housing -C-  . After removing the snap ring -arrow-  , unlock the connection (push the inner sleeve against the outer sleeve) and pull off the lead at the same time.
    Fig 6: Removing Lead To Right Intake Housing & Snap Ring
    G03105942Courtesy of PORSCHE OF NORTH AMERICA, INC.
  7. Remove the sucking jet pump from the engine compartment.
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