1995 JEEP YJ Service And Repair Manual

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Page 1809 of 2158

JEEP YJ 1995 Service And Repair Manual (9) Assemble clutch discs and clutch plates (Fig. 4).
Sequence is disc first, then a plate. Use seven discs
and plates in a 6-cyl. transmission.
(10) Install brake pack on planetary gear (Fig. 4).
(11

Page 1810 of 2158

JEEP YJ 1995 Service And Repair Manual (4) Remove Tool 7539 and remove piston return
springs.
(5) Remove No. 2 first-reverse brake piston with
compressed air. Apply air through same transmission
feed hole used for checking piston operation

Page 1811 of 2158

JEEP YJ 1995 Service And Repair Manual (2) Lubricate and install new O-ring on No. 2
brake piston.
(3) Install assembled No. 1 piston and reaction
sleeve on No. 2 piston (Fig. 8).
(4) Lubricate and install piston assembly in case
(Fig. 9).

Page 1812 of 2158

JEEP YJ 1995 Service And Repair Manual TRANSMISSION VALVE BODY OVERHAUL
The valve body assembly consists of two sections
which are the upper body and lower body (Figures 1and 2). Disassembly, inspection and overhaul proce-
dures for each s

Page 1813 of 2158

JEEP YJ 1995 Service And Repair Manual Fig. 2 Upper Body Components
JAW-4 TRANSMISSION OVERHAUL 21 - 251

Page 1814 of 2158

JEEP YJ 1995 Service And Repair Manual REMOVING UPPER BODY FROM LOWER BODY
(1) Remove two-piece detent spring (Fig. 3). Note
position of spring sections for assembly reference.
(2) Remove manual valve from lower body (Fig. 4).
(3) Remove b

Page 1815 of 2158

JEEP YJ 1995 Service And Repair Manual (2) Remove oil strainers (Fig. 2).
(3) Note or mark position of valve retainers and
pressure reducing plug clip for assembly reference
(Fig. 2). Do not remove the retainers at this time.
(4) Remove so

Page 1816 of 2158

JEEP YJ 1995 Service And Repair Manual use shop towels or rags. Lint or foreign material from
towels or rags can interfere with valve operation.
(13) Inspect condition of lower body components.
Replace lower body if any bores are scored or

use shop towels or rags. Lint or foreign material from
towels or rags can interfere with valve operation.
(13) Inspect condition of lower body components.
Replace lower body if any bores are scored or cor-
roded. Replace valves, plugs or sleeves that are
scored or worn. Replace oil strainers if cut, torn or
damaged in any way.
(14) Inspect valve body springs. Replace any spring
having rusted, distorted, or collapsed coils. Measure
length of each valve body spring. Replace any spring
if free length is less than length specified in following
chart (Fig. 11).
LOWER BODY ASSEMBLY
(1) Lubricate lower body components with auto-
matic transmission fluid.
(2) Install spring and accumulator control valve in
sleeve (Fig. 11). Then install assembled components
in lower body (Fig. 9).(3) Press accumulator control valve assembly into
valve bore and install retainer (Fig. 9).
(4) Install pressure reducing plug in plug bore.
Then secure plug with retaining clip (Fig. 8).
(5) Install washer on primary regulator valve
plunger (Fig. 12).
(6) Install primary regulator valve plunger in valve
sleeve (Fig. 7).
(7) Install valve spring and regulator valve sleeve
and plunger.
(8) Press regulator valve sleeve into bore and in-
stall retainer (Fig. 5 and 6). Be sure retainer is posi-
tioned in sleeve lugs as shown.
(9) Install 1-2 shift valve, spring and plug (Fig. 4).
Then press valve assembly into bore and install re-
tainer.
(10) Install replacement O-rings on solenoids and
install solenoids on valve body. Tighten solenoid at-
taching bolts to 10 Nzm (7 ft-lbs) torque.
(11) Install oil strainers (Fig. 13).Identify strain-
ers before installation. The three strainers are
all the same diameter but are different lengths.
Two strainers are 11.0 mm (0.443 in.) long while
one strainer is 19.5 mm (0.76 in.) long (Fig. 14).
(12) Install check valve and spring (Fig. 13).
(13) Install check ball and seat (Fig. 13).
(14) Install pressure relief valve and spring (Fig.
13).
Fig. 6 Removing/Installing Primary Pressure
Regulator Valve
Fig. 7 Removing/Installing Regulator Valve Plunger
Fig. 8 Removing/Installing Pressure Reducing Plug
21 - 254 AW-4 TRANSMISSION OVERHAULJ

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