Troubleshooting Guide

Technologically advanced ZF transmissions of today are constructed of numerous complexities that are very beneficial and for some, difficult to comprehend. With this in mind ZF has compiled a Troubleshooting Guide for your specific light truck transmission.


Vehicle Identification Number Basic Information
Clutch System Troubleshooting Guide -Service Tips
S5-42 Troubleshooting Guide -Service Tips
S5-47 Troubleshooting Guide -Service Tips
S6-650 Troubleshooting Guide -Service Tips

Transmission Lubrication Reference

ALL S5-42TRANSMISSIONS (EXCLUDING D.I.T.)USE DEXRON III / MERCON XT-2 QDX OR DDX.

ALL D.I.T. S5-42TRANSMISSIONS USE SYNTHETIC MERCON (FORD MOTORCRAFT P.N. XT2QSM) or CASTROL SYNTEC FULL SYNTHETIC or (Allison TRANSYND).

ALL S5-47 GAS SPEC.TRANSMISSIONS USE DEXRON III / MERCON XT-2 QDX OR DDX.

ALL S5-47 DIESEL SPEC.TRANSMISSIONS USE SYNTHETIC MERCON (FORD MOTORCRAFT P.N. XT2QSM) or CASTROL SYNTEC FULL SYNTHETIC or (Allison TRANSYND).

ALL S5-47M SPEC.TRANSMISSIONS USE SYNTHETIC MERCON (FORD MOTORCRAFT P.N. XT2QSM) or CASTROL SYNTEC FULL SYNTHETIC or (Allison TRANSYND).

ALL FORD S6-650 SPEC.TRANSMISSIONS USE DEXRON III / MERCON XT-2 QDX OR DDX.

ALL GM GMT560 and GMT800 SPEC.TRANSMISSIONS USE GM SYNTHETIC P.N. 12378515 or CASTROL SYNTEC FULL SYNTHETIC or (Allison TRANSYND).

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Last Update: 31.08.2009