Pontiac firebird 1968 - Page 183

5-18
1968 PONTIAC SERVICE MANUAL
TEMPEST AND FIREBIRD SPECIFICATIONS
NEW DRUMS MASTER CYLINDER BORE
Inside diameter-Front and Rear ....... 9 1/2" Standard system ..................... 1"
Disc brake system . . , . , ...... . . . • • 1.125"
Out of Round Maximum
— Front ...................... .005" FLUID
-Rear .......................
n
006"
Fluid that complies with heavy-duty standards of
Indicator reading shall not vary more than .0005"
SAE 7
°-
R
-
3
Specifications,
per inch of circumference.
PEDAL HEIGHT
Underside of Pedal Pad
LINING to Floor Pan - Tempest ........... 7 1/8"
Width-Front .................... 2 1/2" "
Firebird
........... 4 1/8"
—Rear..................o..... 2
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Thickness (Front and Rear)-Primary . . . 0.196" WHEEL CYLINDER bUKt
-Secondary . . 0.265" -Front ........ . . . . 1 1/8"
Effective braking surface area . . . 149.4 sq. in. -Rear 7/8"
TORQUE SPECIFICATIONS
Torque in lb. ft. unless otherwise specified
APPLICATION TORQUE APPLICATION TORQUE
Front brake to steering knuckle— Wheel cylinder to backing plate bolt 8
lower bolt and nut ................. 75 Wheel brake cylinder bleeder screw .... 75 in. lbs.
Front brake to steering knuckle— Parking brake lever to dash nut ......... 8
upper bolt ...................... 100 Parking brake front cable to
(bolt lubricated) equalizer nut .................... 6
Rear brake to axle housing bolt and nut .... 35 Parking brake lever to instrument
Brake master cylinder to dash nut . . 24 panel bolt . 8
SPECIAL TOOLS
/
J 4735 PONTIAC
J 8915 TEMPEST AND FIREBIRD
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J 21472
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Fig. 5-13 Special Tools
J 4735 - Pontiac Brake Adjusting Tool
J 8915 - Tempest and Firebird Brake Adjusting Tool
J 21472 - Brake Bleeder Wrench