911 Carrera Coupe F6-3164cc 3.2L (1984)
Second Version
From 1983 Models beginning with engine numbers:
81 D 0813 - M 28/19 manual transmission 81 D 5830 - M 28/20 automatic transmission 81 F 0050 - M 28/43 32 valve manual trans. 81 F 0560 - M
28/44 32 valve automatic trans.
Cylinder head studs gold-yellow color longer threads (N in Picture 1).
Tightening Specifications Torque Angle Method:
Step 1:
20 N-m (15 ft. lbs.)
Step 2:
90 degrees (1/4 turn)
Step 3:
90 degrees
Step 4:
90 degrees
Important:
First version studs (A in Picture 1) were used in production from July 21, 1983 to September 6, 1983 (1984 Model cars). Engine Numbers:
81 E 00097 - 00113 M 28/19 manual trans. 81 E 05194 - 05307 M 28/20 automatic trans.
When repairing these engines, it is especially important to remember that cylinder head tightening specifications from first version are applicable.
However, if new studs (gold-yellow) have been installed on older engines, the torque angle tightening method is applicable.