5L40E , 5L50E AWD - Clunk Bump Condition , Shifting Drive to Reverse/Reverse to Drive - kw accelerate automatic case drive engage shift transfer

When servicing the vehicle with the VIN you entered, the following diagnosis might be helpful if the vehicle exhibits the described symptoms.

The All Wheel Drive (AWD) Cadillac SRX may exhibit a condition of a clunk bump noise when completing range shifts of drive to reverse and reverse to drive. The condition may be intensified by abruptly accelerating before the transmission is fully engaged into range. The clunk bump condition is a result of internal lash build-up within the transfer case and driveline.

This condition is considered to be a characteristic of the AWD system. The vehicle should be compared to a like vehicle with similar mileage. Attempts to repair this condition have been proven unsuccessful.

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Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance. This diagnostic approach was developed for the vehicle with the VIN you entered and should not be automatically be used for other vehicles with similar symptoms.

(04 Cadillac SRX E6)

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