gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

A/T - 4L60-E/4L65-E Harsh 1-2 Upshift Diagnosis|Page 5046 > < A/T - 4L60-E/4L65-E Harsh 1-2 Upshift Diagnosis|Page 5044
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8. Remove the 1-2 accumulator piston seal (1) from the 1-2 accumulator piston.
9. Inspect the 1-2 accumulator piston for the following conditions:

^

Porosity

^

Cracks

^

Scoring

^

Nicks and scratches

10. Inspect the 1-2 accumulator cover for the following conditions:

^

Porosity

^

Cracks

^

Scoring

^

Nicks and scratches

11. Remove the spacer plate support bolts.

12. Important:  

Use care not to drop the following items that will be removed along with the spacer plate:
^

The number 1 checkball

^

The 3-4 accumulator spring

^

The 3-4 accumulator pin 

Remove the spacer plate support.

A/T - 4L60-E/4L65-E Harsh 1-2 Upshift Diagnosis|Page 5046 > < A/T - 4L60-E/4L65-E Harsh 1-2 Upshift Diagnosis|Page 5044