Inspection And Repair; Reassembly - Isuzu Trooper 1999 Workshop Manual

5. Insert a block of wood into the caliper and force out
the piston by blowing compressed air into the caliper
at the flexible hose attachment. This procedure must
be done prior to removal of the dust boot.
WARNING: DO NOT PLACE YOUR FINGERS IN
FRONT OF THE PISTON IN AN ATTEMPT TO CATCH
OR PROTECT IT WHEN APPLYING COMPRESSED
AIR. THIS COULD RESULT IN PERSONAL INJURY.
CAUTION: Use just enough air to ease the piston
out of the bore. If the piston is blown out, it may be
damaged.
6. Remove dust boot: piston.
7. Remove piston seal.
8. Remove bleeder with cap.
9. Remove caliper body.

Inspection and Repair

Make necessary parts replacement, if wear, damage,
corrosion or any other abnormal conditions are found
through inspection.
Check the following parts:
f Rotor
f Cylinder body
f Cylinder bore
f Piston
f Guide bolt, lock bolt
f Support bracket
NOTE: The piston dust seal and dust boot are to be
replaced each time the caliper is overhauled. Discard
these used rubber parts and replace with new ones.
POWER ASSISTED BRAKE SYSTEM

Reassembly

1. Install caliper body.
2. Install bleeder with cap and tighten the cap to the
specified torque.
Torque: 8 N·m (69 lb ft)
3. Install piston seal and apply special rubber grease to
the piston seal and cylinder wall, then insert the piston
seal into the cylinder. The special rubber grease is
included in the repair kit.
4. Install piston.
302RS017
5. Install piston dust boot; when inserting the piston into
the cylinder, use finger pressure only and do not use a
mallet or other impact tool, since damage to the
cylinder wall or piston seal can result.
5C–53
302RS018
302RS019