Pontiac TRANS AM 1977 Service Manual page 919

TURBO HYDRA-MATIC 200 7A1-19
D.
1-2 Accumulator
Piston
&
Spring
1. Oil ring damaged.
2. Piston stuck
3. Broken or missing spring.
4. Bore damaged.
SLIPS 2-3 SHIFT
A. Oil Level Low
1. Correct oil level.
B. Throttle Valve Cable 1. Not adjusted properly.
2. Binding.
C. Intermediate Servo 1. Servo to case oil seal ring
Assembly damaged.
D.
Control Valve Asm.
1. Throttle valve binding.
E. Spacer Plate &
1. Direct clutch orifice par-
Gaskets tially blocked in spacer
plate.
2. Gaskets mispositioned or
damaged.
F.
Case Assembly
1. Porosity in direct clutch
feed channels in case.
2. Orifice cup plug missing
from case in the intermediate
servo bore area.
G. Pump Assembly
1. Pump to case gasket mis-
positioned or damaged.
2. Pump channels cross feeding,
leaking or restricted.
3. Pump cover oil seal rings
damaged or missing.
4. Pump cover sleeve loose.
H. Direct Clutch Asm.
1. Direct clutch piston or
housing cracked.
2. Piston seals cut or missing.
3. Direct clutch plates burned.
4. Check ball in housing and/
or piston damaged or missing.
ROUGH 2-3 SHIFT A. Throttle Valve Cable
1. Not adjusted properly.
2. Binding.
3. Wrong or damaged cable.
B. Intermediate Servo
Assembly
1. Exhaust hole undrilled or
plugged between intermediate
servo piston seals, not
allowing intermediate servo
piston to complete its stroke.
C. Control Valve Asm. 1. T.V. plunger binding.
2. Throttle valve binding.
3. Shift T.V. valve binding.