Porshe 911 (997). Manual - part 9

→ Immediately clean hoses and wiring thoroughly

21. Open power steering pressure pipe and return line. Loosen screws on pressure line (counter) -1- . Open

spring band clamp on return line (hose).

Collecting the Pentosin.

22. Pull off return hose and open pressure pipe. Collect escaping Pentosin in a small container and then

close off the return line again.

Removing pressure pipe holder

Note

If the holder on the servo line's plug-in coupling needs to be replaced, the special tool assembly aid
9622 is already contained in the parts set.

• 

23. Loosen pressure pipe nipple -A- on the pipe. Tilt holder on one side -C, Arrow- and

simultaneously pull to disengage. Detach nipple from the pipe and remove the old O-ring. Close
off line.

Servo line plug-in coupling

Diagnostic system: reading out fault memory and activating systems

Removing engine

193

24. Place holder -C- into threaded part -A- and, if necessary, fasten using assembly aid 9622. Screw

threaded part with new O-ring into the screw coupling -B- and tighten. Always counter when tightening.
→ Tightening torque: 30 (22 ftlb.) Nm

Tying up oil filler neck

25. Tie up oil filler neck with welding wire, string or

tie-wrap.

Manual transmission drive shaft

26. Release drive shafts from transmission (a second person should actuate the brake pedal to hold it).

Slide suitable protection (e.g. an open plastic pipe, an old coolant hose with a diameter of about 30
mm) over the shaft in the area of the rear axle or place foam padding underneath it → 422120
12 Removing and installing drive shaft - removing.

Spacer ring on Tiptronic drive shaft

27. In Tiptronic vehicles, an aluminium spacer ring is installed between the drive shaft and the

transmission flange. These rings must be removed.

Diagnostic system: reading out fault memory and activating systems

Removing engine

194

Engine ground strap

28. Disconnect the ground strap on the underside between the engine and the body. Unscrew one M8

hexagon nut -Arrow- , remove ground strap from threaded pin.

Rear fastening of the stabiliser

29. Remove the rear stabiliser. Unscrew two M8x40 hexagon-head bolts -1- on the left and right. Remove the

M10 hexagon nuts on the connecting rod while holding the internal Torx -2- to counter. Remove
stabiliser → 429019 21 Removing and installing stabiliser - removing.

Cross member with accessories

30. Remove the front transverse strut, both the diagonal braces and the rear cross member.

30.1. Front transverse strut -A- : unscrew two M10x40 hexagon-head bolts .

30.2. Diagonal braces -B- : Unscrew two M12x30 hexagon-head bolts on the rear cross member, two

M10x40 hexagon-head bolts at the front and two M10 hexagon nuts on the rubber mounts.

30.3. Rear cross member, lower fastening -C- : unscrew two M12 hexagon nuts while holding the

M12x80 hexagon-head bolts to counter, pull both screws out of drillings.

Diagnostic system: reading out fault memory and activating systems

Removing engine

195

Top fastening of rear cross member

31. Rear cross member, top fastening: Loosen (do not remove) two M12 hexagon nuts (long slots on

cross member), take off cross member downwards.

B-Plus box on Tiptronic transmission

32. Open B-Plus box on transmission -Arrow- , unscrew hexagon nut and disconnect the cables.

Manual transmission B-Plus line

33. Manual transmission: Unclip B-Plus line from shift console -1- and pull through in direction of travel.

Connection of Tiptronic selector cable

Diagnostic system: reading out fault memory and activating systems

Removing engine

196