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MANUAL TRANSMISSIONS
78-1 1
DESCRIPTION
O I L SEAL
BUSHING
PIN
SHlFTER H E A D
T H R E A D E D PLUG
POPPET SPRING
BREATHER
SELECTOR LEVER PIVOT
WIRING HARNESS CLlP
N A M E PLATE
BACK.UP L I G H T BRACKET
CUP PLUG
EXTENSION HOUSING
SWITCH
3/6-16
x
3-114 HEX H E A D BOLT
SWITCH
NEEDLE B E A R I N G
SHlFT R A l L
SPRING PIN
R A l L SELECTOR
FIRST
&
REVERSE SHlFT F O R K
SHIFT F O R K P A D
FIRST & REVERSE SHlFT L l N K
GASKET
9116.18 PLUG
SPEEDOMETER GEAR
SPEEDOMETER GEAR RETAINER
SNAP R l N G
THRUST WASHER
1ST SPEED GEAR
SNAP R l N G
BLOCKING R l N G
SYNCHRONIZER SPRING
S H l F T PLATE
CLUTCH HUB
CLUTCH SLEEVE
REVERSE GEAR & BUSHING ASSEMBLY
SELECTOR A R M
SPRING PIN
INTERLOCK PAWL
SELECTOR A R M R E T A I N I N G SCREW
114-20
x
314 HEX H E A D SELF TAPPING SCREM
REVERSE I D L E R GEAR & BUSHING
BUSHING
SPRING PIN
REVERSE I D L E R SHAFT
DOWEL PIN
CENTER SUPPORT
MAGNET
NEEDLE B E A R I N G
S H l F T R A l L
PIN
R E T A I N I N G CLlP
SELECTOR LEVER
I
DESCRIPTION
-
I
!
-
Fig. 7B-8A 5-Speed 77mm Transmission
-
Exploded View
-
Index
NEEDLE BEARING
THRUST WASHER
N E E D L E THRUST BEARING
NEEDLE THRUST RACE
OUTPUT SHAFT
3 R D SPEED GEAR
BLOCKING R l N G
SYNCHRONIZER SPRING
SYNCHRONIZER S H l F T PLATE
CLUTCH HUB
CLUTCH SLEEVE
SNAP R l N G
SYNCHRONIZER BLOCKING R l N G
2 N D SPEED GEAR
THRUST WASHER
SNAP R l N G
SPACER
5TH SPEED GEAR
2 N D
&
3 R D SHIFT L l N K
2 N D
&
3 R D SHIFT FORK
4 T H & 5TH S H l F T L l N K
4 T H & 5 T H S H l F T F O R K
NEEDLE ROLLERS
SPACER
SYNCHRONIZER BLOCKING R l N G
SYNCHRONIZER SPRING
SHlFT PLATE
CLUTCH HUB
CLUTCH SLEEVE
SYNCHRONIZER BLOCKING R l N G
NEEDLE THRUST B E A R I N G
NEEDLE ROLLERS
INPUT D R I V E GEAR
NEEDLE THRUST PLATE
NEEDLE THRUST B E A R I N G
THRUST WASHER
NEEDLE B E A R I N G
O I L SEAL
CLUSTER GEAR
SPRING
SPRING PIN
GEAR DAMPER
SNAP R l N G
THRUST WASHER
NEEDLE B E A R I N G
- -
- -
1 2 INCH PIPE PLUG
TRANSMISSION CASE SLEEVE
TRANSMISSION CASE
DIAGNOSIS
Before attempting to repair the clutch, transmission or
A. Clutch Free Pedal Travel
.
-
related linkages for any reason other than an obvious failure,
the problem and probable cause should be identified. A large
percentage of clutch and manual transmission problems are
manifested by shifting difficulties such as high shift effort,
gear clash and grinding or transmission blockout. When any
of these problems occur, a careful analysis of these difficulties
should be accomplished and the following checks and
adjustments performed in the presented sequence before
removing the clutch or transmission for repairs:
1. The clutch free pedal travel adjustment should be
made as outlined in the Clutch and Transmission sections of
the Pontiac Service Manual for the specific vehicle insvolved.
2. Check clutch linkage for lost motion caused by loose
or worn swivels, deflection of mounting brackets or damaged
cordon shaft.
B. Clutch Spin Down Time
1. Run the engine at a normal idle with transmission in
neutral and clutch engaged.
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