Bleeding System

See Hydraulic Brake Bleeding in this section.

Fig 1: BRAKE ASSEMBLY (TYPICAL, EXC. CADILLAC)

G09336233

Courtesy of GENERAL MOTORS COMPANY

Fig 2: BRAKE ASSEMBLY - CADILLAC (TYPICAL)

G09336234

Courtesy of GENERAL MOTORS COMPANY

TIGHTENING SPECIFICATIONS

Application			Ft. Lbs.
Wheel Attaching Nuts
	Buick
		Century & Skylark	70
		All Others	90
	Cadillac
		Seville	80
		All Others	100
	Chevrolet
		Chevrolet Models	80-100
		All Others	60-80
	Oldsmobile
		Omega, Cutlass & Starfire	80
		88, 98	100
		Toronado	130
	Pontiac
		Catalina & Bonneville	75
		All Others	70

Fig 3: WHEEL CYLINDER DISASSEMBLED

G09336235

Courtesy of GENERAL MOTORS COMPANY

BRAKE SYSTEM SPECIFICATIONS

Application

Drum Diam.

Wheel Cylinder Diameter

Master Cylinder

Front

Rear

Diameter

Buick

Skylark

9.5"

⁽²⁾

.875"

1.125"

Century & Regal

11"

⁽²⁾

1.00"⁽³⁾

.938"⁽¹⁾

LeSabre, Electra, Riviera

11"

⁽²⁾

1.00"

1.125"

Estate Wagon

12"

⁽²⁾

.938"

1.125"

Cadillac

Seville

11"

⁽²⁾

.938"

1.125"

All Others

12"

⁽²⁾

.938"⁽⁴⁾

1.125"

Chevrolet

Camaro, Nova

9.5"

⁽²⁾

.938"

1.00"⁽¹⁾

Chevelle, Monte Carlo

11"

⁽²⁾

.938"

1.00"⁽¹⁾

Chevrolet (Exc. S/W)

11"

⁽²⁾

.938"

1.125"

Chevrolet Station Wagon

12"

⁽²⁾

1.00"

1.125"

Oldsmobile

Starfire

9.5"

⁽²⁾

.687"

.875"

Omega⁽⁵⁾

9.5"

⁽²⁾

.938"

1.00"

Cutlass⁽⁶⁾

11"

⁽²⁾

.938"⁽⁷⁾

.938"

88, 98

11"

⁽²⁾

1.00"

1.125"

Toronado

11"

⁽²⁾

.938"

1.125"

Custom Cruiser Wagon

12"

⁽²⁾

1.00"

1.125"

Pontiac

Astre

9.5"

⁽²⁾

.687"

.750"

Sunbird

9.5"

⁽²⁾

.687"

.875"

Ventura, Firebird

9.5"

⁽²⁾

.938"

1.00"⁽¹⁾

LeMans, Grand Prix

11"

⁽²⁾

.937"

.937"⁽¹⁾

Catalina, Bonneville

11"

⁽²⁾

1.00"

1.125"

Grand Safari

12"

⁽²⁾

1.00"

1.125"

⁽¹⁾	Power Disc Brakes - 1.125"

⁽²⁾	Front Disc Brake equipped.

⁽³⁾	Power Brakes -.938"

⁽⁴⁾	Commercial Chassis - 1.00"

⁽⁵⁾	Except Omega W/5-Speed Transmission.

⁽⁶⁾	Omega W/5-Speed Transmission

⁽⁷⁾	W/Manual Brakes - 1.00".

BRAKE LINING SPECIFICATION

Application

Drum Dia.

Width

Length

Thickness

Front

Rear

Primary

Secondary

Primary

Secondary

Buick

Skylark

9.5"

⁽¹⁾

2"

7.63"⁽²⁾

9.91"

.19"

.27"

Century, Regal

11"

⁽¹⁾

2"

8.93"

11.58"

.196"

.265"

Le Sabre, Electra, Riviera

11"

⁽¹⁾

2"

8.93"

11.58"

.232"

.275"

Estate Wagon

12"

⁽¹⁾

2"

9.90"

12.85"

.236"

.296"

Cadillac

Seville

11"

⁽¹⁾

2"

8.95"

11.59"

.25"

.29"

All Others

12"

⁽¹⁾

2.5"

11"

12.36"

.24"

.26"

Chevrolet

Camaro, Nova

9.5"

⁽¹⁾

2"

9.01"

9.75"

.20"

.20"

Chevelle, Monte Carlo

11"

⁽¹⁾

2"

8.95"

11.59"

.25"

.29"

Chevrolet (Exc. S/W)

11"

⁽¹⁾

2"

8.95"

11.59"

.25"

.29"

Chevrolet Station Wagon

12"

⁽¹⁾

2"

9.83"

12.77"

.25"

.32"

Oldsmobile

Omega⁽³⁾, Starfire

9.5"

⁽¹⁾

2"

7.63"

9.91"

.19"

.27"

Cutlass, ⁽⁴⁾

11"

⁽¹⁾

2"

9.00"

11.5"

.22"

.26"

88, 98

11"

⁽¹⁾

2"

9.00"

11.5"

.22"

.26"

Custom Cruiser Wagon

12"

⁽¹⁾

2"

10"

13"

.22"

.284"

Pontiac

Astre, Sunbird

9.5"

⁽¹⁾

1.08"

9.12"

9.87"

.23"

.30"

Ventura, Firebird

9.5"

⁽¹⁾

2"

9.12"

9.87"

.23"

.23"

Le Mans, Grand Prix

11"

⁽¹⁾

2"

8.93"

11.58"

.23"

.27"

Catalina & Bonneville

11"

⁽¹⁾

2"

8.88"

11.53"

.23"

.27"

Grand Safari

12"

⁽¹⁾

2"

9.896"

12.828"

.236"

.296"

⁽¹⁾	Front Disc Brake equipped.

⁽²⁾	Power Brakes - 9.91"

⁽³⁾	Except Omega W/5-Speed Transmission.

⁽⁴⁾	Omega W/5-Speed Transmission.

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"