Removing Camshafts - Porsche 996 TT Repair Manual

18 Hexagon−head bolts M6 x 30
(10.9)
19 Camshaft bearing cap
20 Hexagon−head bolts M6 x 30
(10.9)
21 Thrust bearing cover
22 Exhaust camshaft
23 Inlet camshaft
24 Camshaft housing
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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.
Removing camshafts
einordnung
12 Unscrew screws from the inside
6 Unscrew carefully!
4
2 Unscrew carefully!
1
1
1
Tighten in specified
sequence
(description); 13 Nm
(9.5 ftlb.)
Grease lightly;
observe matching
number!
13 Nm (9.5 ftlb.)
Grease lightly;
observe matching
number!
Observe
identification on the
rotor! (Cylinder bank
allocation)
Observe
identification on the
rotor! (Cylinder bank
allocation)
477