Table of Contents
Advertisement
13) Press the center of retaining plate by applying a
force of N using push/pull gauge, and then mea-
sure and record the height A. Measure at three
places or more in even distance and take the aver-
age value.
NOTE:
If three places, measure in every 120°. If four plac-
es, measure in every 90°.
A
(A) Dish plate
(B) Driven plate
(C) Drive plate
(D) Retaining plate
14) Installation of the low & reverse brake
Install the dish plate, driven plate and retaining
plate, and then secure them with snap ring.
NOTE:
Pay attention to the orientation of dish plate.
(A) Snap ring
AT Main Case
15) Apply compressed air intermittently to check for
operation.
16) Place the same thickness of shim on both sides
to prevent plate from tilting, measure and record
the clearance B.
NOTE:
Do not press the shim downward with excessive
force, otherwise the waveform of drive plates will
be broken down.
(D)
(B)
(C)
(A)
AT-01721
17) Piston stroke calculation
Select the retaining plate within the specification by
calculating with A and B dimensions recorded be-
fore. If the calculated value exceeds the service
limit, replace the drive plate with a new one and ad-
just it within the specification.
T = A + B
T: Piston stroke
A: Collapse amount of drive plate
B: Clearance between retaining plate and snap ring
Initial specification:
( A )
Service limit:
AT-00294
4AT-125
AUTOMATIC TRANSMISSION
B
2.15 — 2.65 mm (0.085 — 0.104 in)
2.95 mm (0.116 in)
AT-00297
AT-02216
Advertisement
Chapters
Table of Contents
