Article 1266 - Seal - Front Clutch Sun Gear Oil - Rear

TSB #84 - January 26, 1968
(1967 Fords Equipped with MX or FX Automatic Transmissions)


Customers have complained of slippage on the 2-3 shift with both 1967 FX and MX automatic transmissions.

It has been determined that in some instances Teflon rings used in the #5 and #6 positions (rear of shaft) on the front clutch sun gear in 1967 models may wear into the output shaft aluminum sleeve. The problem is most likely to occur in vehicles having a high percentage of driving time in low gear.

To facilitate repairs of this type of failure, the aluminum sleeve formerly released for Authorized Reconditioners only, is released for Dealer use.

The service replacement part and other applications are noted below:

PART NO.SMALL DIA.PART NAMEOTHER APPLICATIONS
B1A-77063-A.7516"-.7530"Sleeve - Trans. Output Shaft Oil1955/66 Thunderbird
1953/68 Truck
1951/68 Ford

All above with MX and FX Transmissions


The aluminum output shaft sleeve should be replaced when any of the following conditions are noted:

    A. Sleeve loose in output shaft bore
    B. Sleeve rotated out of correct position (See 1967 Ford Shop Manual Page 7-18)
    C. Sleeve worn in area adjacent to front clutch sun gear #5 and 6 seal rings.

Note: When an FX or MX transmission with an aluminum sleeve in the output shaft is torn down for any reason, and the No. 5 and 6 grooves of the sun gear are equipped with Teflon seal rings, the rings should be replaced with cast iron rings, 1P-77543-A, and the sleeve should be inspected for wear in the ring area.

The following procedure may be used in removing the aluminum sleeve:

    1. Tap the hole in the oil sleeve with a 3/8-16 tap to a depth of 12 threads.
    2. Secure a piece of bar stock 1/2 " x 1" x 6" min., and drill a 1/2" hole through the center.
    3. Secure a 3/8-16 bolt 5" long, (threaded full length) a nut and a flat washer.
    4. Holding the output shaft in a vise, arrange the puller tool as shown in Fig. 8.

Image
Figure 8 - Click to enlarge

Note: Vise jaws should be covered with wood or brass jaw-liners to prevent nicking or scoring of shaft journal.

5. Withdraw sleeve by turning nut inwards while holding the bolt with a wrench. Check the small diameter of the removed oil sleeve with a micrometer and select replacement part from list above; removed part should then be discarded. Do not attempt to reuse removed part.

The new sleeve may be installed using an arbor press as follows:

    1. Place output shaft in arbor press with bottom of flange resting on bed of press
    2. Lubricate shaft hole and sleeve with M2C33F transmission fluid and place sleeve on output shaft; rotate sleeve until lobe in hole is aligned as shown in Figure 28, Page 7-18, 1967 Ford Shop Manual.
    3. Press oil sleeve into hole to dimension shown in Fig. 9. Pressure must be exerted against surface Z - not against rim of sleeve; this can be accomplished by using a driver similar to that shown in Fig. 9. Make sure sleeve does not rotate while it is being installed.

Image
Figure 9 - Click to enlarge

Note: The sleeve is in the correct position when the "lobe" of the hole in the center recess of the sleeve is rotated 180° away from the governor drive ball hole in the output shaft.

    4. Remove output shaft from arbor press and place on bench. Insert a 1/8" dia. punch through the line pressure feed-to-governor hole in both output shaft and sleeve; tap the punch sharply with a hammer to stake the sleeve in position.
    5. Proceed with the remainder of the repair.

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