Mitsubishi 1989-1993 GALANT Service Manual page 1223

SERVICE BRAKES
SERVICE POINTS
When disassembling the front disc brakes, disassemble both
sides (left and right) as a set.
6. REMOVAL OF BOOT RING
Remove boot ring with a
7. REMOVAL OF PISTON BOOT/8. PISTON
Protect caliper body with cloth. Blow compressed air
through brake hose to remove piston boot and piston.
Caution
Blow compressed air gently.
Keep hands away from piston area and cover with shop
towels!
9. REMOVAL OF PISTON SEAL
Caution
Do not use a small flat blade screwdriver or other
tool to prevent damage to inner cylinder.
ethylene, alcohol or specified brake fluid.
Specified brake fluid: Conforming to DOT3 or DOT4
INSPECTION
Check cylinder for wear, damage or rust.
l
Check caliper body, guide pin and
l
Check pad for damage or adhesion of grease, check
l
backing metal for damage.
PAD WEAR CHECK
Measure thickness at the thinnest and worn area of the pad.
Replace pad assembly when pad thickness is less than the limit
value.
Limit value: 2.0 mm (.08 in.)
OF DISASSEMBLY
small flat blade screwdriver.
lock pin for Wear.