High-pitched noise in all shift positions, particularly while oil is cold. Oil pump intake noise

Oil level too low HCU leaky

Pump bushing has seized

Correct oil level Replace HCU Replace pump

10.2 High-pitched, chirping noise varying with rpm in all shift positions, particularly when oil is hot, may appear after longer driving periods, sometimes in conjunction with interruption of power flow

Oil strainer clogged

Replace oil strainer if no friction lining residues are found in the oil sump, in all other cases, replace the complete transmission assembly.

10.3 Noises in reverse

Pump bushing has seized

Replace pump

Clutch, autom. torque converter

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