911 Carrera 4S Coupe AWD F6-3600cc 3.6L SOHC (1997)
To adjust the sprockets, insert or remove shims, Part No. 901.105.561.00 (shim thickness 0.5 mm). Usually, three shims are required below the
left-hand sprocket (cylinders No. 1 - 3), and four shims are required below the right-hand sprocket (cylinders No. 4 - 6).
Adjustment
Tighten hexagon head bolts of sprockets to approximately 30 Nm (22 ft. lbs.), using Special Tool 9551 or 9552 (camshaft locking tools) to lock.
Determine dimension "A" from crankcase front edge or ruler, respectively, to intermediate shaft face area.
Design dimensions of drive sprockets on intermediate shaft from intermediate shaft face area -
to face area of rear intermediate shaft sprocket (cyls. No. 1 - 3) 98.07 mm
to face area of front intermediate shaft sprocket (cyls. No. 4 - 6) 43.27 mm
Design dimensions + measured dimension "A" is equal to position of sprockets on camshafts (max. admissible deviation ± 0.25 mm).
Example:
Measured dimension "A" = 35.5 mm
The value of the sprocket of cyls. No. 1 - 3 then equals: A + 98.07 = 35 + 98.07 = 133.57 ± 0.25 mm
The value for the sprocket of cyls. No. 4 - 6 then equals: A + 43.27 = 35 + 43.27 = 78.77 ± 0.25 mm
