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7 A 3 - 1 8
1977 PONTIAC SERVICE MANUAL
(65O-85')
COOL
HOT
I
WARM
I
1115
1
Fig.
7A3-14
Transmission Dipstick
ON-CAR SERVICE
REMOVAL OF SPEEDOMETER DRIVE
GEAR AND GOVERNOR
Removal and lnstallation of Speedometer Drive
Gear
Removal
1. Remove propeller shift and extension housing.
2. Depress retaining clip and remove drive gear from
utput shaft (Fig. 7A3-15).
TAININO CLIP
OMITIR O R I V t M A ( .
7
'%.
1
4888
Fig.
7A3-15
Speedometer Drive Gear and Clip
Installation
1. Align slot in speedometer drive gear with retaining
clip and install (Fig. 7A3- 16).
Removal of Governor
1. Remove governor cover and
"0"
ring seal from case.
Aid removal of cover with screwdriver. Use extreme care not
to damage cover. If cover is damaged it must be replaced.
2. Remove
" 0 "
ring seal from governor cover and
replace. See Fig. 7A3-17.
3. Withdraw governor assembly from case (Fig. 7A3-18).
Check governor bore and governor sleeve for scoring.
The governor should be replaced only if the O.D. surface
of the sleeve is scored, the carrier is loose on the sleeve, or
the valve is sticking in the sleeve, after a thorough cleaning
has been attempted.
Refer to Section 7A4 (400 THM) for governor overhaul
procedures.
Draining Oil Pan and Replacing Filter Assembly
With transmission in the car:
~ig.
7 A 3 - 1 6
Drive Gear Installed
I
SEAL
2842
Fig.
7A3-17
Removing Governor Cover
1. Raise car on hoist or place on jack stands, and provide
container to collect draining fluid. Care should be taken if
transmission is hot.
2. Remove oil pan and gasket. Discard gasket.
3. Drain fluid from oil pan. Clean pan with solvent and
dry thoroughly with clean compressed air.
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