Upper Valve Body; Disassembly Of Upper Valve Body; Remove Primary Regulator Valve - Toyota MR2 1988 Repair Manual

AT-98
AUTOMATIC TRANSAXLE - Component Groups (Valve Body)
(Upper Valve Body)
Throttle Modulator Valve Throttle Valve Sleeve
Key~
,
=
Cut Back Valve .,_...
~
!» 3 -
0
°0
o
lt-__..,r-......,~::::'!~:::-:::J
_,.,--Low Coast Modulator Valve p·
~-oo=
1n
cfJ
Release Valve
1
LJ§c:?=~:::tO e~:;;~elay ~o 0 ntL
Sleeve..---=-"
00
~rwtMWM1s!~
Plunger Sleeve
n
I
Primary Regulator
Valve
Pin-U~
Manual Valve Plug
Primary Regulator Regulator
Valve Plunger Valve Sleeve
looooo
Check Ball
~
Strainer
AT2536
C1393
AT2535
DISASSEMBLY OF UPPER VALVE BODY
1. REMOVE THROTTLE VALVE RETAINER, SIX CHECK
BALLS AND TWO STRAINERS
2. REMOVE PRIMARY REGULATOR VALVE
{a) Note which step from the end the plunger sleeve
contacts the valve body.
NOTE: It is important to remember which step is in con-
tact because the line pressure changes accordingly.