Subaru XT 1988 Service Manual page 530

3-2 AUTOMATIC TRANSMISSION AND DIFFERENTIAL
(5) Low
&
reverse brake
• Construction
Transmission case
~~:::::=~o-
Lip seal
Fig. 25
Dish plate
Piston
Bolt
Lathe cut seal ring
Clutch spring
retainer
Forward clutch drum
L3-605
The piston, dish plate, drive plate, driven plate, retaining plate
and snap ring are mounted directly to the transmission case.
The spring retainer which is integral with the spring is secured
to the inner race of the transmission case engagement surface.
• Function
During 1st speed of the "2" range and 1st speed of the "1st
hold", and reverse, hydraulic pressure from the hydraulic
pressure controller is applied to the low & reverse piston. This
pressure causes the drive plate and driven plate to engage, and
the forward clutch to be fixed. ------
2700 cc 1800 cc
No. of drive plates 6 4
No. of driven plates
6
4
a.D. mm (in) 148 (5.83)
148 (5.83)
Piston
I.D. mm (in) 73 (2.87)
73 (2.87)
16