Porsche 996 TT, Repair Manual

Page: 540 / 2099

18 Hexagon−head bolts M6 x 30
(10.9) 12 Unscrew screws from the inside Tighten in specified
sequence
(description); 13 Nm
(9.5 ftlb.)
19 Camshaft bearing cap 6 Unscrew carefully! Grease lightly;
observe matching
number!
20 Hexagon−head bolts M6 x 30
(10.9) 4 13 Nm (9.5 ftlb.)
21 Thrust bearing cover 2 Unscrew carefully! Grease lightly;
observe matching
number!
22 Exhaust camshaft 1 Observe
identification on the
rotor! (Cylinder bank
allocation)
23 Inlet camshaft 1 Observe
identification on the
rotor! (Cylinder bank
allocation)
24 Camshaft housing 1
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Removing camshafts
The following prelimiminary work must be carried out:
Remove engine ’ 100119 Removing and installing engine .
•
Remove rear muffler. •
Remove the oil container ’ 175219 Removing and installing oil container . •
Remove generator ’ 272219 Removing and installing three−phase generator . •
Remove coolant guide housing. •
1. Cylinder bank 1 − 3: Undo fuel collection pipe with injection valves and remove holder for
turbochargers.
2. Cylinder bank 4 − 6: Undo holder for turbochargers and remove bypass flap control box on turbocharger.
3. Remove ignition coil. Remove cable plug of the ignition coils, unscrew 2 cylinder screws (hexagon
socket) M6 x 25 of each and pull ignition coils out of spark−plug recess.
4. Remove 2 closure caps (green, plastic) between camshaft housing cover and cylinder head (clutch side).
To do so, puncture the closure cap in the middle and lever out using a small slotted screwdriver.
einordnung
Removing camshafts 477