Front Servo; Assembly Of Governor; Inspection Of Rear Servo; Exploded View Of Front Servo - Pontiac Grand Prix Service Manual

7E-24
1969 PONTIAC SERVICE MANUAL
exhaust slots of governor sleeve, place in arbor press,
and with long punch, press gear out of sleeve.
3. Carefully clean governor sleeve of chips that remain
from original gear installation.
4. Support governor on 3/16" plates installed in
exhaust slots of sleeve, position new gear in sleeve and,
with suitable socket, press gear into sleeve until nearly
seated. Carefully remove any chips that may have
shaved off gear hub and press gear in until it bottoms
on shoulder.
5. A new pin hole must be drilled through sleeve and
gear. Locate hole position 90" from existing hole,
center punch and then, while supporting governor in
press, drill new hole through sleeve and gear using a
standard 1
/
8" drill.
6. Install retaining pin.
7. Wash governor assembly thoroughly to remove any
chips that may have collected.
ASSEMBLY OF GOVERNOR
1. Install governor valve in bore of governor sleeve.
2. Install governor weights and springs and thrust cap
on governor sleeve.
3. Align pin holes in thrust cap, governor weight
assemblies and governor sleeve and install new pins.
Crimp both ends of pins to prevent them from falling
out.
4. Check governor weight assemblies for free operation
on pins and governor valve for free movement in
governor sleeve.
Fig. 7E-63 Exploded View of Front Servo
FRONT SERVO
INSPECTION OF FRONT SERVO (Fig. 7E-63)
1. Inspect servo pin for damage.
2. Inspect servo piston for damaged oil ring groove and
check freedom of ring in groove.
3. Inspect piston for cracks or porosity.
4. Check fit of servo pin in piston.
REAR SERVO
DISASSEMBLY OF REAR SERVO
1. Remove rear accumulator piston from rear servo
piston (Fig. 7E-64).
2. Remove E-ring retaining rear servo piston to-band
apply pin (Fig. 7E-65).
3. Remove rear servo piston and sealqrom band apply
pin (Fig. 7E-66).
4. Remove washer, spring and retainer.
INSPECTION OF REAR SERVO
1. Inspect freedom of accumulator rings in piston.
2. Inspect fit of band apply pin in servo piston.
Fig. 7E-64. Removing Rear Accumulator Piston from
Rear Servo