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© 200424 4-1 Single rear axle 1354 DIAGNOSTICS ΧΦ65/75/85 series 8 1 4. SINGLE REAR AXLE 1354 4.1 FAULT-FINDING TABLE SYMPTOM: NOISES IN REAR AXLE AND DRIVE ASSEMBLY Possible cause Remedy Oil level too low Top up oil Incorrect oil viscosity Drain oil and top up Loosened attachment bolts or broken differential lock parts Drain oil and check drained oil for presence of pieces of metal Pinion-bearing play Adjust and/or replace SYMPTOM: OIL LEAK Possible cause Remedy Oil level too high Drain oil Incorrect oil viscosity Drain oil and top up Leaking oil seal Replace oil seal Bleeding system blocked Clean or replace the bleeding system Oil leakage between the differential housing mating surfaces Clean mating surfaces and apply new sealant SYMPTOM: DIFFERENTIAL LOCK IS NOT FUNCTIONING Possible cause Remedy No air pressure at engaging cylinder Check compressed-air system Defective pneumatic control Check or replace pneumatic switch Incorrect setting engaging cylinder Adjust engaging cylinder Defective mechanical shift control Check shift control SYMPTOM: DIFFERENTIAL LOCK WARNING LAMP IS NOT FUNCTIONING Possible cause Remedy Defective pressure switch Replace pressure switch Fault in electrical circuit Check electrical circuit |