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78-60
1977 PONTIAC SERVICE MANUAL
3-SPEED 7 6 M M LT. DUTY
TRANSMISSION IDENTIFICATION
An identifying code "ZH" is marked in yellow paint on
all 3-speed manual transmissions. This code is two inches
high and is found on the right side of the transmission case.
This "ZH" transmission is used on A, F and X Series
vehicles equipped with the 231 cu. in. V6 engine.
GEAR RATIOS
.....................................................
First Speed Gear
3.1 1 to 1
Second Speed Gear
.................................................
1.84 to 1
Third Speed Gear
...................................................
1.00 to 1
...........................................................
Reverse Gear
3.22 to 1
LUBRICANT
Use SAE 90 multi-purpose gear lubricant.
.............................
Capacity
3.5 U.S. Pints (56 fluid ounces)
MUNCIE TRANSMISSION
TORQUE
Transmission Case-to-Clutch Housing Bolts
55 lb. ft.
.........
Extension Housing-to-Case Bolts
45 Ib. ft.
...........................
Drive Gear Bearing Retainer Bolts
10 lb. ft.
........................
Case Cover-to-Case Bolts
10 lb. ft.
........................................
Lubricant Filler Plug
15 Ib. ft.
..............................................
Shifter Support-to-Extension Bolts
25 Ib. ft.
.........................
Shifter Lever-to-Shifter Shaft Bolts
25 lb. ft.
........................
Shifter Assembly-to-Support (Upper) Bolt
45 lb. ft.
............
Shifter Assembly-to-Support (Lower) Bolt
25 lb. ft.
............
Frame-to-Crossmember Bolts
25 Ib. ft.
.................................
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