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01-05 Allison LCT1000 Pump Separator Plate Change Disregard Additional Valve - kw 03-07-30-011B cold delay engage intermittent hesitation LB7 M74 power shift slip spring transmission automatic default

Subject:01-05 Allison LCT1000 Pump Separator Plate Change Disregard Additional Valve

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The following diagnosis might be helpful if the vehicle exhibits the symptom described in the PI.

Condition/Concern:

Service technicians may notice when replacing the transmission pump to pump support separator plate P/N 29541148 (listed as fluid pump separator plate in the parts catalog), the replacement plate may appear to have differences. Some parts catalog systems seem to also recommend a replacement valve P/N 29541138, needed when this plate is used.

Recommendation/Instructions:

The replacement spacer plate may appear different but is a direct replacement for the previous design and there are no additional parts required. Please disregard any notes in the parts catalog that specifies additional valves are required. This error in the parts catalog has been corrected and will appear in a future update.

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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.

Models:

(01 Chevrolet Silverado) and (02 Chevrolet Silverado) and (03 Chevrolet Silverado) and (04 Chevrolet Silverado) and (05 Chevrolet Silverado) and (01 GMC Sierra) and (02 GMC Sierra) and (03 GMC Sierra) and (04 GMC Sierra) and (05 GMC Sierra )

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