Specifications; Brake System Description - Chevrolet 1980 Light Duty Truck Service Manual

5-48 BRAKES
FRONT BRAKES
SYSTEM
JB1 Disc 11.86 x 1.28
JB3 Disc 11.86 x 1.28
JB5 Disc 11.86 x 1.28
JB6 Disc 12.50 x 1.28
JB7 Disc 12.50 x 1.28
JB8 Disc 12.50 x 1.53
JF9 Disc 14.25 x 1.53
JD3 Disc 11.86 x 1.28
Disc 11.86 x 1.28
JD5

SPECIFICATIONS

SPECIFICATIONS

BRAKE SYSTEM DESCRIPTION

GASOLINE ENGINE VEHICLES
DIESEL ENGINE VEHICLES
REAR BRAKES
Drum 11.00 x 2.00
Drum 11.00 x 2.00
Drum 11.15 x 2.75
Drum 11.15 x 2.75
Drum 13.00 x 2.50
Drum 13.00 x 3.50
Disc 13.75 x 1.53
Drum 11.00 x 2.00
Drum 11.15 x 2.75
BRAKE ASSIST
None (Manual Brakes)
Vacuum — Single Diaphragm
Vacuum — Dual Diaphragm
Vacuum — Dual Diaphragm
Vacuum — Dual Diaphragm
Hydraulic — Hydroboost
Hydraulic — Hydroboost
Hydraulic — Hydroboost
Hydraulic — Hydroboost
LIG H T T R U C K S ER V IC E M AN UAL