M/T - Clutch Pedal Returns Slowly Upon Release
911 (996)2/05
September 6, 2005
Clutch Pedal Does Not Fully Reach Its Original Position
Vehicle Type:
911 Carrera (996)/911 Carrera 4 (996)
Model Year:
As of 1999
Equipment:
Manual transmission (G90.00/01 and G96.30/31)
Concerns:
Clutch hydraulic system
Situation:
After pressing the clutch, the clutch pedal is slow to come back up and does not fully reach its original position.
This is caused by air in the hydraulic system.
The following procedure applies in the event of a complaint:
Work Procedure:
1. Vehicles from model year 99(X) to 03(3): --> Step 2
Vehicles from model year 04(4): --> Step 3
If Step 2 or Step 3 has already been carried out: --> Step 4
2. Check that the circlip in the clutch pipeline is installed in the groove for the plug-in couplings according to instructions in --> Technical Information '300100 Clutch pedal sticks' (No. 2/03).
To do this, perform a visual check on the plug-in coupling installed in the left plenem panel in the body front Section.
If circlip is installed correctly: --> Step 3
If circlip is not installed correctly: Install the circlips according to instrections in --> Technical Information '300100 Clutch pedal sticks' (No. 2/03).
Note
After installing the circlips, bleed the hydraulic system according to the revised instructions in the Workshop Manual, --> see Preliminary information --> Workshop Manual '30007 Bleeding the clutch system'.
End of remedial action.
3. Bleed the hydraulic system according to the revised instructions in the Workshop Manual, see Preliminary information Workshop Manual '30007 Bleeding the clutch system'.
End of remedial action.
4. If the problem occurs again after you have carried out the remedial action described in Step 2 and Step 3, the following procedure applies:
4.1 Visually check the clutch pipeline close to the plug connections for leaks. If you find a leak, replace the affected threaded joint. The procedure for replacing threaded joints is described in --> Workshop Manual (986) '302331 Converting clutch line on master cylinder' (--> Step 8).
4.2 Visually check the clutch master cylinder for leaks. If you find a leak, replace the master cylinder, --> Workshop Manual '300519 Removing and installing the clutch pedal'.
4.3 Replace the clutch slave cylinder.
4.4 Bleed the hydraulic system according to the revised instructions in the Workshop Manual, --> see Prelimirary information Workshop Manual '30007 Bleeding the clutch system'.
End of remedial action.
Parts Information
References
Enclosure: --> Workshop Manual '30007 Bleeding the clutch system'
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