Porsche 996 TT Repair Manual page 526

10. To set the timing, the respective cylinder side must be positioned to overlapping TDC. For this purpose,
turn the engine at the belt pulley of the crankshaft (in operating direction) until the maximum defection
(reversing point) is attained on the dial gauge. The cams of the 1st cylinder point towards each other
−Figure 10.1− , the cams of the 4th cylinder point away from eachother (each points towards cylinder
head outer wall) −Figure 10.2− .
Figure 10.1: Overlapping TDC of cylinder 1
• 1 − Exhaust camshaft
• 2 − Inlet camshaft
Figure 10.2: Overlapping TDC of cylinder 4
• 2 − Inlet camshaft
• 1 − Exhaust camshaft
Note
Camshaft adjusting element must be positioned to the left−hand stop! Use special tool holding wrench
•
9653 !
Checking camshafts
einordnung
463