Pontiac FIREBIRD 1972 Service Manual page 823

SECTION 7 A
THREE SPEED SAGINAW TRANSMISSION
CONTENTS OF THIS SECTION
Trouble Diagnosis
....................................................
7A-1
General Description
................................................
7A-2
Periodic Service Recommendations
Transmission
.......................................................
7A-4
........................................................
Shift Control 7A-4
On Car Adjustments
Column Shift Linkage
.........................................
7A-4
Floor Shift and Back Drive Linkage
..................
7A-6
Minor Repairs
Rear Extension Oil Seal
......................................
7A-7
Rear Extension Oil Seal and Bushing
................
7A-7
Transmission Case Cover
....................................
7A-7
Floor Shift Control Assembly (X Series)
..........
7A-8
Major Repairs
Transmission, Remove
........................................
7A-9
................................
Transmission, Disassemble 7A- 10
....................................
Cleaning and Inspection 7A- 12
....................................
Transmission, Assemble 7A- 14
........................................
Transmission, Install.. 7A- 15
Specifications
Transmission Identification
..............................
7A- 16
........................................................
Gear Ratios 7A-16
..........................................................
Lubricant.. 7A- 16
................................................................
Torque 7A- 16
..........................................................
Special Tools 7A- 17
TROUBLE DIAGNOSIS
NOISY I N FORWARD SPEEDS HARD SHIFTING
1. Incorrect lubricant or low lubricant level. 1. Loose bolts at transmission outer shifter levers.
2. Transmission misaligned or loose. 2. Bent gearshift control rods, loose swivel clamps or
linkage interference.
3. Main drive gear bearing worn or damaged.
3. Lack of lubricant on shift linkage.
4. Countershaft gear or its roller bearings worn or da-
maged. 4. Clutch improperly adjusted.
5. Main drive gear or its roller bearings worn or da-
5. Shifter levers, shifter shafts or shift forks worn.
maged.
6. Incorrect lubricant.
6. Synchronizer assemblies worn or damaged.
7. Synchronizer assemblies worn or damaged.
7. Failure of operator to fully engage gears on every
shift before engaging clutch and applying engine
power (could cause scored or broken gear teeth).
STICKING I N GEAR
NOISY I N REVERSE
1. Clutch improperly adjusted.
2. Incorrect lubricant or low lubricant level.
1. Reverse idler gear or shaft worn or damaged. 3. Corroded transmission levers (shifter shaft).
2. Reverse gear worn or damaged. 4. Defective (tight) main drive gear roller bearings.