M/T - Intermediate Gear Design Difference

90mitsubishi07 SUBJECT:

1989 PRECIS TRANSMISSION GEARS

NO. TSB-90-22-003

DATE May, 1990

MODEL Precis

PURPOSE

TSB Revision TSB-90-22-003

This bulletin explains a difference that may be found in the design of the intermediate gear of the

1989 Precis manual transmission.

DESCRIPTION

Prior to May 12, 1987, the transmission intermediate gear had a noise quieting subgear supported by three springs which fitted into three holes in the intermediate gear.

After May 12, 1987, the springs and sub gear were eliminated, and the intermediate gear contained only two holes.

PART NUMBERS

43218-21000 - Gear, Intermediate
43291-21000 - Spring
43219-21000 - Sub Gear

INTERCHANGEABILITY

These gears are interchangeable. There are four possibilities.

Figure 1:

1. The old-style gear (with three holes and springs) is replaced by a new-style gear (see Figure 1).
Action: Install the new-style gear. Discard the springs and sub gear.

2. The new-style gear (2 holes, no springs) is replaced with an old gear.
Action: Install the old-style gear. No need to install the springs and sub gear, even though they could be used if desired.
3. An old-style gear is replaced with an old-style gear.
Action: Install the replacement gear, and reinstall the springs and sub gear.

4. A new-style gear is replaced with a new-style gear.
Action: Install the new gear.

PARTS

The old-style gear and the new-style gear have the same part number. The old-style gear has three holes for springs, the new-style gear has only two holes.