Floor Mounted Shift-F & X Series; Floor Mounted Shift-H Series; Floor Mounted Shift Back Drive Controls; Column Shift Linkage (Typical) - Pontiac TRANS AM 1977 Service Manual

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MANUAL TRANSMISSIONS
78-1 7
Floor Mounted Shift-F & X Series (Figs. 78-1 1
through 78-1 4 )
1. Place ignition switch in " O F F position. Raise vehicle
on hoist.
2. Loosen locknuts at swivels on the shift rods. Rods
should pass freely through swivels.
3. Set shift levers into neutral at the transmission.
4. Move shift control lever in the neutral detent position,
align control assembly levers and insert 3/16" locating gage
into lever alignment slot.
5. Tighten locknuts at shift rod swivels and remove
locating gage. Discard gage.
6. Shift transmission control lever into reverse and place
ignition switch in "LOCK" position. Loosen locknut at back
drive control rod swivel, then pull down slightly on rod to
remove any slack in the column mechanism and tighten clevis
jam nut.
7. Check interlock control. The ignition key should move
freely to and from the "LOCK" position. Readjust back drive
control rod, if necessary.
8. Check transmission shift operation. Readjust shift
controls, if necessary. Lower and remove vehicle from hoist.
Floor Mounted Shift-H Series (Fig. 78-1 5)
1. Turn ignition switch to the " O F F position and raise
vehicle on hoist.
2. Loosen lock nuts at swivels on the shift rods. Rods
should pass freely through the swivels.
3. Set transmission shift levers in neutral.
4. Set shift control lever in neutral position. Align
control levers and install 3/16" gage pin into levers and
bracket.
5. Tighten 1st-2nd shift rod nut against swivel. Torque
to 120 lb. in.
6. Tighten 3rd-4th shift rod nut against swivel. Torque
to 120 lb. in.
7. Tighten reverse shift control rod nut. Torque to 120
lb. in.
8. Remove gage pin from control lever assembly and
check operation of control lever. Readjust as required.
9. Lower and remove vehicle from hoist.
FLOOR MOUNTED SHIFT BACK DRIVE
CONTROLS
(Figs. 78-1 2 and 78-14)
1. Shift transmission into "Reverse" position and place
ignition switch in the "LOCK" position.
2. Raise vehicle on hoist.
3. Loosen back drive control rod swivel lock nut and pull
down on the rod slightly to remove any slack in the column
mechanism, then tighten the clevis jam nut.
4. Check interlock control. Ignition switch should move
freely through the "LOCK" position. If binding, leave
control LOCKED and readiust rod at bell crank.
5. Lower and remove vehicle from hoist.
CHASSIS LUBRICANT
2ND 81 3RD CONTROL ROD
1ST & REV. CONTROL ROD
COLUMN LEVERS I N "NEUTRAL"
TRANSMISSION
WlVEL CLAMP
CHASSIS LUBRICANT
25 LB. FT.
501
7
Fig. 78-10 Column Shift Linkage (Typical)

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Firebird 1977

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