911 Carrera 2 Targa F6-3600cc 3.6L SOHC (1992)
1. Check the valve clearance and set to 0.10 mm exactly with feeler gauge B 213 b. To adjust the timing, it is sufficient if the valve clearance of the
intake valves for cylinders 1 and 4 are exactly correct.
Adjusting the camshaft, left (cylinder 1)
2. Fasten the dial gauge to the stud bolt on the camshaft housing with holder P 207. Set the dial gauge to 0 on the spring seat from intake valve with
the valve closed and with approx. 10 mm preload.
3. Now turn the crankshaft slowly from Z 1 (TDC) approx. 1 turn clockwise, observing the dial gauge. Turn until you reach the middle value of the
adjusting tolerances.
Adjusting specification
Engine M 64/01: 1.26 ± 0.1 mm
4. Undo the hexagon head screw from the lefthand sprocket, remove the sprocket and pull the fixing pin out with Special Tool P 212.
5. Turn the crankshaft until the visible marking on the pulley is exactly aligned with the seam of the crankcase or the locating mark on the blower
housing.
6. Remount the fixing pin and tighten the hexagon head screw lightly while bracing.
7. Turn the crankshaft two turns (720°) clockwise and check the adjustment. The value shown on the dial gauge must now be within the specified
adjusting tolerance.
8. Finally tighten the hexagon head screw for the left-hand camshaft with 120 Nm (88 ftlb) with a second mechanic bracing with Special Tool P
9191.
Adjusting The Camshaft, Right (cylinder 4)
1. Adjust cylinder 4 to ignition TDC (overlapping cylinder 1).
2. Repeat the adjustment procedure as described under fine adjustment Items 2 to 8 for cylinder 4.
