Important Information
This bulletin provides updated service information for valve body reconditioning of the Hydra-Matic 4T65-E automatic transmission.
It includes new illustrations and instructions to simplify reassembly of the valve body.
Inspection Procedure
Inspect each bore for freedom of valve movement and evidence of debris, paying particular attention to valves related to the customer’s concern.
Verify movement of valves in their normal installed position.
Disassembly / Reassembly
If a valve is restricted, remove the valve and burr, then inspect movement in the valve’s normal position.
If the valve body has been contaminated with debris, disassemble all bores for complete cleaning of all valve body components.
Use appropriate eye protection when cleaning the valve body to prevent injury.
Manual:
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