Bleeding System

See Hydraulic Brake Bleeding in this section.

TIGHTENING SPECIFICATIONS

Application			Ft. Lbs.
Wheel Attaching Nuts
	Buick
		Century, Skylark & Skyhawk	80
		All Others	100
	Cadillac
		All Models	100
	Chevrolet
		Chevrolet Models	80-100
		All Others	60-80
	Oldsmobile
		Omega & Cutlass	80
		88 & 98	100
		Toronado	130
	Pontiac
		Catalina & Bonnevile	75
		All Others	70

BRAKE LINING SPECIFICATION

Application

Drum Dia.

Width

Length

Thickness

Front

Rear

Primary

Secondary

Primary

Secondary

Buick

Skyhawk

9.5"

⁽¹⁾

1.2"

9.18"

9.18"

.19"

.27"

Skylark

9.5"

⁽¹⁾

2.0"

7.63"⁽²⁾

9.91"

.19"

.27"

Century, Regal

11"

⁽¹⁾

2.0"

8.93"

11.58"

.196"

.265"

LeSabre, Electra, Riviera

11"

⁽¹⁾

2.0"

8.93"

11.58"

.232"

.275"

Estate Wagon

12"

⁽¹⁾

2.0"

9.90"

12.85"

.236"

.296"

Cadillac

DeVille

11"

⁽¹⁾

2.0"

8.95"

11.59"

.25"

.29"

Limousine, Commerical Chassis

12"

⁽¹⁾

2.5"

11.00"

12.36"

.23"

.26"

Chevrolet

Vega, Monza

9.5"

⁽¹⁾

2.0"

9.01"

9.75"

.20"

.20"

Camaro, Nova

9.5"

⁽¹⁾

2.0"

9.01"

9.75"

.20"

.20"

Chevelle, Monte Carlo

11"

⁽¹⁾

2.0"

8.95"

11.59"

.25"

.29"

Chevrolet (Exc. Sta. Wgn.)

11"

⁽¹⁾

2.0"

8.95"

11.59"

.25"

.29"

Chevrolet Sta. Wgn.

12"

⁽¹⁾

2.0"

9.83"

12.77"

.22"

.32"

Oldsmobile

Omega, ⁽³⁾

9.5"

⁽¹⁾

2.0"

7.63"

9.91"

.19"

.27"

Cutlass⁽⁴⁾

11"

⁽¹⁾

2.0"

9.00"

11.5"

.22"

.26"

88, 98

11"

⁽¹⁾

2.0"

9.00"

11.5"

.22"

.26"

Custom Cruiser Sta. Wgn.

12"

⁽¹⁾

2.0"

10.0"

13.0"

.22"

.284"

Pontiac

Astre, Sunbird

9.5"

⁽¹⁾

1.08"

9.12"

9.87"

.23"

.30"

Ventura⁽³⁾, Firebird

9.5"

⁽¹⁾

2.0"

9.12"

9.87"

.23"

.23"

LeMans, Grand Prix, ⁽⁴⁾

11"

⁽¹⁾

2.0"

8.93"

11.58"

.23"

.27"

Catalina, Bonneville, Grand Safari

11"

⁽¹⁾

2.0"

8.93"

11.58"

⁽⁵⁾.23"

⁽⁵⁾.23"

⁽¹⁾	Front disc brake equipped.

⁽²⁾	Power brakes use 9.91".

⁽³⁾	Except models with a 5-speed transmission.

⁽⁴⁾	And all models with a 5-speed transmission.

⁽⁵⁾	Lining thickness on models with a 5" wheel nut attaching pattern is.232" on primary and.272" on secondary.

BRAKE SYSTEM SPECIFICATIONS

Application

Drum Diam.

Wheel Cylinder Diameter

Master Cylinder

Front ⁽¹⁾

Rear

Diameter

Buick

Skyhawk

9.5"

1.875"

.813"

.750"

Skylark

9.5"

2.938"

.875"

1.125"

Century

11"

2.938"

.938"

.9375"⁽²⁾

LeSabre, Riviera, Electra

11"

2.938"

1.00"

.9375"⁽²⁾

Estate Wagon

12"

2.938"

1.00"

.9375⁽²⁾

Cadillac

DeVille

11"

2.938"

.938"

1.125"

Commercial Chassis, Limousine

12"

2.938"

.938"

1.125"

Chevrolet

Vega, Monza

9.5"

.....

.688"

.75"⁽³⁾

Camaro, Nova

9.5"

.....

.938"

1.00"⁽²⁾

Chevelle, Monte Carlo

11"

.....

.938"

1.00"⁽²⁾

Chevrolet (Exc. Sta. Wgn.)

11"

.....

.938"

1.125"

Chevrolet Sta. Wgn.

12"

.....

1.00"

1.125"

Oldsmobile

Omega⁽⁴⁾

9.5"

2.938"

.938"

1.00"

Cutlass⁽⁵⁾

11"

2.938"

.938"⁽⁶⁾

.938"

88, 98

11"

2.938"

1.00"

1.125"

Toronado

11"

2.938"

.938"

1.125"

Custom Cruiser Sta. Wgn.

12"

2.938"

1.00"

1.125"

Pontiac

Astre

9.5"

.....

.687"

.750"

Sunbird

9.5"

.....

.687"

.875"

Ventura⁽⁴⁾, Firebird

9.5"

.....

.938"

1.00"⁽²⁾

LeMans, Grand Prix,⁽⁵⁾

11"

.....

.937"

.937"⁽²⁾

Catalina, Bonneville

11"

.....

⁽⁷⁾

1.125"

Grand Safari

11"

.....

⁽⁷⁾

1.125"

⁽¹⁾	Disc brake caliper piston diameter.

⁽²⁾	Power brakes use a 1.125" master cylinder.

⁽³⁾	.875" used on Monza.

⁽⁴⁾	Except models with a 5-speed transmission.

⁽⁵⁾	And all models with a 5-speed transmission.

⁽⁶⁾	1.00" used with manual brakes.

⁽⁷⁾	.875" used on models with wheel attaching nut pattern of 4.75"..937" used on models with wheel attaching nut pattern of 5".

BRAKE DRUM SPECIFICATIONS

Application		Drum Diameter	Original Diameter	Maximum Refinish Diameter	Discard Diameter
General Motors
	All Models	9 1/2"	9.500"	9.560"	9.590"
		11"	11.000"	11.060"	11.090"
		12"	12.000"	12.060"	12.090"