A/T - Delayed Engagements

Model Year 1985

Bulletin No. 83-229B

File in Group 70

Number

45A

Date Apr '85
SUBJECT: DELAYED ENGAGEMENT

MODELS AFFECTED: ALL 1979 THRU 1981 THM 325 AND 1982 THRU 1985 THM 325-4L TRANSMISSIONS


NOTICE: This Bulletin supersedes Bulletin 83-229A, File Group 70, Number 45A dated June, 1984 to include updated information. Please discard original Bulletin and replace with new Bulletin 83-229B.

Some 1979 through 1981 THM 325 and some 1982 through 1985 THM 325-4L transmissions may experience a delayed engagement. This condition may be caused by a loss of pump prime due to oil draindown in the pump.

When servicing any of the above transmission for delayed engagement order service package 8635971 and follow the service procedure given below.

Service Procedure:

1. Remove the transmission oil pan and oil screen.. Make sure that the transmission oil screen O-ring is also removed from the pump intake hole in the transmission case.

FIGURE 1 - VALVE AND SLEEVE ASSEMBLY INSTALATION:

2. Install the new valve and sleeve assembly into the case pump intake hole (Figure 1-A) using a 10 mm deep well socket on a 3/8" extension. Carefully tap the valve and sleeve assembly up into the pump intake hole with a small hammer. Care should be taken to center the assembly in the intake hole prior to tapping it into place.
3. Reassemble the transmission following service manual procedures.


WARRANTY INFORMATION:

Labor Operation: T6093
Labor Time 0.6 hr.
Trouble Code: 92