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98642311308
Product Information
Product Information
Hydraulic Clutch Pipe.
The Genuine Porsche Hydraulic Clutch Pipe 98642311308 is a replacement hydraulic line for the clutch operating system on compatible Porsche vehicles.

Fits:
  • Porsche Boxster 986 2.5L 1997-99
  • Porsche Boxster 986 2.7L 1999-02
  • Porsche Boxster S 986 3.2L 1999-02
  • Porsche Boxster 986 2.7L 2003-04
  • Porsche Boxster S 986 3.2L 2003-04  

Diagram Ref No 10

The clutch hydraulic system uses pressurised fluid to transfer movement from the clutch pedal to the clutch release mechanism. The hydraulic clutch pipe provides a sealed route for this fluid between the relevant hydraulic components, allowing the clutch to engage and disengage correctly when the pedal is operated.

A leaking, corroded or damaged clutch pipe can cause loss of hydraulic pressure, making gear changes difficult and potentially preventing the clutch from disengaging altogether. Because clutch operation depends on maintaining a sealed hydraulic circuit, any confirmed fluid leak or significant pipe deterioration should be addressed promptly.

What This Product Does:
The hydraulic clutch pipe carries hydraulic fluid under pressure through the clutch operating circuit.

When the clutch pedal is pressed, the hydraulic system generates pressure. This pressure is transmitted through the clutch line to operate the clutch release mechanism.

The pipe therefore helps:

  • Transfer hydraulic pressure through the clutch system
  • Allow the clutch to disengage when the pedal is pressed
  • Support smooth and consistent clutch operation
  • Maintain a sealed hydraulic fluid circuit
  • Provide reliable communication between clutch hydraulic components

If the pipe cannot retain pressure, normal clutch operation can be compromised.

Symptoms Of Wear Or Failure:
Common symptoms of a damaged or leaking clutch hydraulic pipe can include:

  • Visible hydraulic fluid leakage
  • Damp or wet areas around the pipe
  • Fluid around pipe connections
  • Falling hydraulic fluid level
  • Soft or spongy clutch pedal
  • Clutch pedal travelling further than normal
  • Clutch pedal remaining close to the floor
  • Inconsistent clutch operation
  • Difficulty selecting gears
  • Grinding when attempting to select a gear
  • Clutch failing to disengage fully
  • Loss of clutch operation in severe cases
  • Visible corrosion or physical damage to the pipe

These symptoms can also be caused by other clutch hydraulic components, so proper diagnosis is important.

Why Replacement Matters:
Replacing a damaged, corroded or leaking hydraulic clutch pipe helps restore the integrity of the clutch hydraulic circuit.

A sound replacement pipe helps:

  • Maintain hydraulic pressure
  • Prevent hydraulic fluid loss
  • Prevent air entering the system
  • Restore consistent clutch pedal operation
  • Allow complete clutch disengagement
  • Improve reliable gear selection
  • Reduce the risk of sudden loss of clutch operation
  • Protect associated transmission components from poor clutch disengagement

A small hydraulic leak can eventually become a complete loss of clutch operation, so early replacement is preferable once the pipe is confirmed to be defective.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

98642311308
98642311307

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