One Piece Parking Lock Rod Assembly - Revised

Bulletin No. T 83-108
File In Group 7
Number 79
Date July '83

ONE PIECE PARKING LOCK ROD ASSEMBLY - 1983 THM 200-4R

One and Two Piece Parking Lock Rod Assembly:

Beginning in October, 1982, the parking lock rod assembly in 1983 model year THM 200-4R transmissions was changed from a two-piece (Figure 1) to a one-piece assembly (Figure 2).

In servicing the parking rod mechanism on any THM 200-4R, it is important that the correct parts be used. The detent levers and rod assemblies are not interchangeable between the two designs. Refer to the chart below for proper parts usage.
Two-Piece Design One-Piece Design

Rod Assembly - 8639110 Rod and Lever Assembly - 8634991
Lever - Inside Detent - 8634184 (Lever is not supplied separately.)