Acura NSX 1991 Manual page 498

Main Menu
Front Caliper
Reassembly
CAUTION:
• Before reassembling, check that all parts are free of
dust and other foreign particles.
• Replace parts with new ones whenever specified to
do so.
• Use only clean DOT3 or 4 brake fluid.
• Make sure no dirt or other foreign matter is allowed
to contaminate the brake fluid.
• Do not spill brake fluid on the car; it may damage the
paint; if brake fluid does contact the paint, wash it
off immediately with water.
1. Clean the pistons and caliper bores with brake fluid,
and inspect for wear and damage.
2. Apply silicone grease to new piston seals, then in-
stall the piston seals in the cylinder grooves.
3. Apply silicone grease to new piston boots, then in-
stall the piston boots in the cylinder grooves.
4. Lubricate the caliper cylinders and pistons with
brake fluid, then install the pistons in the cylinders
with the dished end facing in.
5. Reinstall the caliper in the reverse order of removal.
6. Fill the brake reservoir up, and bleed the brake
system (see page 19-10).
Table of Contents
Front Brake Disc
Run-Out Inspection
1. Raise each side of the car, and support it on safety
stand (see page 1-9
wheels.
2. Remove the brake disc pads (see page 19-6).
3. Inspect the disc surface for cracks and rust. Clean
the disc thoroughly, and remove all rust.
4. Use suitable nuts (12 x 1.5 mm) and plain washers
to hold the disc securely against the hub, then
mount a dial indicator as shown.
Brake Disc Runout:
Service Limit: 0.10 mm (0.004 in)
5. If the disc is beyond the service limit, refinish it.
Max. Refinishing Limit: 26.0 mm (1.02 in)
NOTE: A new disc should be refinished if its
runout is greater than 0.10 mm (0.004 in).
through 1-11). Remove the front