A/T - Whine Noise In Park or Neutral

Bulletin No. T 83-73A
File In Group 7
Number 67
Date May '83
WHINE NOISE IN PARK OR NEUTRAL - UPDATE 1982 AND 1983 THM 125C

This bulletin provides additional information to the original issue of Serviceman Bulletin 83-73. Changes to the original bulletin are capitalized for reference; discard Serviceman Bulletin 83-73.

FIGURE 1 - Repairing Noise In Transaxle:

1982 and 1983 Cimarrons equipped with THM 125C transaxles which may experience a noise condition that can be described as a high pitched whine. This noise condition, if only noticeable in park and neutral, and not in Drive or Reverse (while stopped and the brakes applied) could be caused by one or more of the following parts (refer to Figure 1):

Item Number Description Part Number

108 Drive Sprocket Roller Cage Bearing 8631186
601 Driven Sprocket Roller Cage Bearing 8631190
121 Driven Sprocket Thrust Bearing 9436851
122 DRIVEN SPROCKET 8631217
When servicing any 1982 or 1983 THM 125-C for this noise condition, carefully inspect these FOUR parts for wear, damage OR A ROUGH OR WORN BEARING SURFACE AREA. Replace any suspect parts with service part(s) listed above.

Refer to the Service Information Manual for removal and installation procedures of the drive and driven sprocket support cage bearings as well as the driven sprocket and its thrust bearing.

For warranty purposes, use Labor Operation Number T6077 at 4.5 hours.