Symptoms:

3-4 Flare
Burnt OD band
Worn OD servo pin bore in case

Cause:

Severe wear of the case at the servo apply pin bore due to continuous pin oscillation can result in burned clutches, shift complaints, and destroyed cases.

Correction:

The Sonnax sleeve is made from highly wear-resistant aluminum, and allows the case to be refurbished to provide proper clearance with the servo apply pins.

Warning:

Required tool kit S-96872-TL is no longer in production. Check with your distributor for availability.

4F50N, AX4N, AX4S, AXOD, AXODE

Servo Pin Bore Sleeve
Part No. 96872-01K

Tooling:

S-96872-TL

View Instructions Find a Distributor

Tool kit pilot and reamer align with pin bore centerline, not servo piston bore.
Highly wear-resistant aluminum sleeve refurbishes case bores.
Allows expensive case salvage.

Note

Reamer kit S-96872-TL is no longer in production but may be available from distributor inventory.