944 S L4-2479cc 2.5L DOHC (1987)
41.
Mark the timing notch on the camshaft gear with white paint for better identification at the 2500 mile adjustment procedure.
42.
Lift car.
43.
Reinstall balance shaft drive belt, assure correct position of the balance shaft.
NOTE:
The old belt must be installed to run in the same direction as before the removal.
44.
Loosen idler pulley and turn into relaxed position.
45.
Adjust balance shaft belt tension with special tool 9201 to the value of 2.7 + 0.3 on the tool scale. Use special tool 9207 to move tensioning wheel
clockwise to tension belt. Then torque M10 nut on the tensioning wheel to 45 N-m (33 ft.lbs.).
46.
Adjust idler pulley with special tool 9207 and 1 mm belt pre-load, torque to 45 N-m (33 ft.lbs.).
47.
Reinstall lower balance shaft drive gear bolt and washers, torque to 45 N-m (33 ft.lbs.).
48.
Reinstall lower cam belt cover.
49.
Reinstall polyrib belt for alternator and A/C compressor, tension belt.
NOTE:
The tension of the belt has changed from previous information. Adjust belt to 9.5 on the special tool 9201, plus 1 complete turn on the
adjusting rod (not 2 turns!).
50.
Reinstall servo pump belt and tension belt (approx. 5 mm belt deflection).
51.
Reinstall lower engine protection cover.
52.
Lower car.
53.
Reinstall top metal camshaft cover with the distributor cap.
54.
Reinstall drive belt cover and cable harness clamp for the hall sensor.
55.
Reinstall air hose on cam housing.
56.
Reinstall high tension wire on distributor cap.
57.
Reinstall air filter.
58.
Reconnect battery and reset time clock.
59.
Mark top cam housing with center punch for identification purpose, that a new type belt was installed.
60.
Start engine, check operation.
61.
Remove fender covers, close hood.
NOTE:
The new type camshaft drive belt, Part #944.105.323.00, is to checked and adjusted at 2500 miles, 30,000 miles and by 45,000 miles the
belt has to be replaced. After replacement of the belt, the cycle repeats itself.
The check and adjust operation at 15,000 miles is eliminated and should not be performed.
Work Procedure Porsche 944S - Camshaft Drive Belt Checking and Adjustment At 2000-2500 Miles
After Replacement
NOTE:
The engine must be cold to perform this operation.
1.
Open front hood and install fender covers.
2.
Disconnect minus cable on battery.
3.
Remove complete air filter housing.
4.
Remove air hose from top cam belt housing.
5.
Remove cable holder from top cam belt housing.
