Removing Front Anti-Roll Bar (PDCC)

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.

Fig 1: Identifying Front Anti-Roll Bar

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Fig 2: Identifying PDCC Component Arrangement

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No.	Description of component	Number	Location
1	Control unit	1	Under right rear seat
2	Front valve block	1	Front right wheel housing (A-pillar)
3	Hydraulic pump (tandem pump)	1	Front left engine block
4	Front-axle anti-roll bar (PDCC)	1	Front chassis sub-frame
5	Distributor, power distributor (fluid flow)	1	Front-axle final drive, centre
6	Reservoir (fluid tank)	1	Left plenum panel wall, under left cover
7	Rear valve block	1	Rear left chassis sub-frame
8	Rear-axle anti-roll bar (PDCC)	1	Rear chassis sub-frame

Loosen the connecting links at the left and right. To do this, raise the wheel carrier so that the connecting link fastening bolt can be removed easily. Use a suitable jack with a rubber base → see Fig 3 to prevent slipping.

Fig 3: Lifting Wheel Carrier Using Lift
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Loosen the expansion hose at the two fastening points -arrows- and unclip it carefully at the sides.

Fig 4: Locating PDCC Expansion Hose Mounting
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Mark the two lines using a touch-up stick, from the steel flexi-pipe to the anti-roll bar housing (rear anti-roll bar shown).

Fig 5: Locating Anti-Roll Bar Housing Marking
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Information

The anti-roll bar halves can turn following removal and hydraulic fluid will leak out.
- Close the openings in the anti-roll bar using suitable plugs or screw plugs.
Loosen the two lines on the anti-roll bar using an open-ended wrench. Use a container to collect emerging fluid and close the lines using suitable plugs.
Loosen the four fastening screws on the anti-roll bar and remove the clips.
Mark the installation position (arrow) → see Fig 6 of the anti-roll-bar mount halves with respect to the anti-roll bar with a touch-up stick.

Fig 6: Identifying Marking On Front Anti-Roll Bar
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Carefully remove the anti-roll bar while taking care not to damage adjacent components.