Girkasse

Procedure for draining and refilling the manual transaxle, with fluid type specifications and capacity, including notes on synthetic gear oil alternatives.

Procedure for checking, repairing, and adjusting the shift lever and transaxle linkage on 944 and 968 models, covering worn pins, bearing shells, bushings, and fore/aft and lateral alignment.

Manual calculation formulas for tire circumference and speed in any gear from engine RPM, gear ratio, final drive ratio, and tire dimensions — with a worked example for a 1983 944.

Explanation of tire circumference and speedometer calculation methods for determining speed error or theoretical maximum speed based on gear ratios and tire dimensions.

Complete procedure for removing, rebuilding (bearing replacement), and reinstalling the torque tube, including DIY bearing puller fabrication from hardware store materials.

Reference table of 924/944/968 transaxle codes with complete gear ratios and final drive ratios for all known variants, including LSD options and regional differences.

Complete procedure for removing and installing the 924/944/968 transaxle, with separate steps for early (carpet console) and late (plastic trim) shifter designs, and full torque specifications.