Technical Data

MK I and II, 850/1000, CLUBMAN and CLUBMAN 1100
FRONT BRAKES
Type                Lockheed, drum, twinleading shoe, manual adjustment
Drum diameter       7.0 in (178 mm)
REAR BRAKES
Type                Lockheed, drum, leading and trailing shoes, manual adjustment
Drum diameter       7.0 in (178 mm)

HYDRAULIC           SYSTEM

Type                Single line with pressure regulating valve in circuit to rear brakes.
Dual line, diagonally split or split front to rear, with pressure differential warning actuator (P.D.W.A.)

Brake fluid         Brake fluid conforming to specification SA.E J1703C, with minimum boiling point of 260'C (500'F)

                    1275 GT

FRONT BRAKES - MODELS UP TO 1974

Type                Lockheed, disc, fixed calliper, twin opposed pistons
Disc diameter       7.5 in (190.5 mm)
Minimum pad thickness 1/16 in (1.6 mm)

FRONT BRAKES (MODELS TO ECE 15 REGS, 1974 ON)
Type                Lockheed, disc, fixed calliper, twin opposed pistons
Disc diameter       8.4 in (213.4 mm)

REAR BRAKES

Type                Lockheed, drum, leading and trailing shoe, manual adjustment
Drum diameter       7.0 in (177.8 mm)
Wheel cylinder bore diam.:
Models up to 1974   0.75 in (19.05 mm)
Models to ECE 15 Regs 0.70 in (12.7 mm)

BRAKE SERVO UNIT

Application         Models up to 1974
Type                Lockheed, Type 6