Chevrolet 1977 Monte Carlo, Руководство по ремонту, Страница: 234 / 428

7 A 5 -1 2 A U T O M A T IC TR A N SM IS S IO N
O U T E R SEA L
D IR E C T C L U T C H
P I S T O N
I N N E R SEAL
7C -170
Figure 7 A 5 -56 Removing Direct Clutch Outer and Inner Seals
3. Inspect piston for cracks.
4. Inspect clutch housing for wear, scoring, open oil
passages and proper operation o f ball check.
R eassem bly
1. Install new direct clutch piston outer seal and inner
seal.
2. Install new direct clutch piston center seal on drum
w ith lip facing upward.
3. Install direct clutch piston into housing with aid o f
a feeler gauge or a piece o f 0.020 in. piano wire crim ped into
copper tubing (Figure 7A 5-58).
4. Install clutch return coil springs and retainer.
5. Install piston return spring seat. Com press spring
seat with T ool J-23327 and install retaining ring (Figure
7A 5-59).
6. Lubricate with transm ission fluid and install cushion
spring, face plates and steel separator plates, alternating
steel and faced plates.
7. Install retaining ring and pressure plate.
8. Install direct clutch pressure plate and retaining ring.
Forward Clutch (Figure 7A 5-60)
Disassem bly
1. R em ove direct clutch drum to forward clutch
housing needle bearing (Figure 7A 5-61).
2. R em ove forward clutch retaining ring and pressure
plate (Figure 7A 5-62).
3. R em ove four face plates, four steel separator plates
and cushion spring (Figure 7A 5-63).
4. U sin g T ool J-2 3 3 2 7 -1, com press retainer and rem ove
forward clutch drum to pressure plate retaining ring (Figure
7A 5-64).
5. R em ove piston return seat, spring retainer and
springs.
6. R em ove forward clutch piston assembly.
7. R em ove the forward clutch inner and outer piston
seals (Figure 7A 5-65).
Inspection
1. Inspect drive and driven clutch plates for signs o f
burning, scoring or wear.
2. Inspect piston return springs for collapsed coils or
signs of heat distortion.
3. Inspect piston for cracks.
Figure 7A 5-57 Removing Direct Clutch Piston Center Seal on
Drum
. 0 2 0 ” M US IC WI RE CRIMPED
IN T O COPPER T UBI NG
RETAINING
RING
SPRING
RETAINER
SNAP RING
PLIERS
7C -168
Figure 7A 5-59 Installing Direct Clutch Piston Return Spring
Seat
PISTON
DIRECT CLUTCH H O U S I N G
Figure 7A 5-58 Installing Direct Clutch Piston
DIRECT
CLUTCH
HOUSING
J-2590-3
J-2590-5
DIRECT
CLUTCH
DRUM
C L U T C H P I S T O N
C E N T E R SEAL