Acura RL (1996-2004 year). Manual — part 500
Rear Brake Caliper
Disassembly/Reassembly
Never use an air hose or dry brush to clean brake assemblies.
Use an OSHA-approved vacuum cleaner to avoid breathing brake dust.
Contaminated brake discs or pads reduce stopping ability.
When reusing the pads, always reinstall the brake pads in their original positions to prevent loss of braking efficiency.
CAUTION:
Do not spill brake fluid on the vehicle; it may damage the paint; if brake fluid does contact the paint, wash it off imme-
diately with water.
To prevent spills, cover the hose joints with rags or shop towels.
Clean all parts in brake fluid and air dry; blow out all passages with compressed air.
Before reassembling, check that all parts are free of dust and other foreign particles.
Replace parts with new ones whenever specified to do so.
Make sure no dirt or other foreign matter is allowed to contaminate the brake fluid.
Always use Genuine Honda DOT 3 Brake Fluid. Using a non-Honda brake fluid can cause corrosion and decrease the
life of the system.
NOTE:
Coat the piston, piston seal, and caliper bore with clean brake fluid.
Replace all rubber parts with new ones whenever disassembled.
After installing the rear brake caliper:
— Check for leaks at hose and line joints and connections, and retighten if necessary.
— Check the brake hoses for interference and twisting.
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Brake cylinder grease or equivalent rubber grease.
Silicone grease (Use recommended grease in the caliper set).
BANJO BOLT
34 N-m (3.5 kgf-m,
25 Ibf-ft)
BLEED SCREW
9 N-m (0.9 kgf-m,
6.5 Ibf-ft)
SEALING WASHERS
Replace.
INNER PAD SHIM B
(STAINLESS)
CALIPER BODY
Check for scoring on
cylinder wall.
PISTON
CALIPER BOLTS
23 N-m (2.3 kgf-m,
17 Ibf-ft)
INNER PAD
CALIPER PIN B
PAD SPRING PISTON SEAL
Replace.
INNER PAD SHIM A
CALIPER BRACKET
MOUNTING BOLT
38 N-m (3.9 kgf-m,
28 Ibf-ft)
WEAR INDICATOR
Install inner pad with its
wear indicator downward.
PISTON BOOT
Replace.
OUTER PAD SHIM
OUTER PAD
PAD RETAINERS
CALIPER BRACKET
Check for cracks.
CALIPER PIN
CALIPER BRACKET
PIN BOOT
Replace.
PIN BOOTS
Replace.
CALIPER PIN A
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Parking Brake
Inspection
Never use an air hose or dry brush to clean brake
assemblies.
Use an OSHA-approved vacuum cleaner to avoid
breathing brake dust.
Contaminated brake linings or drums reduce stopping
ability.
Block the front wheels before jacking up the rear of
the vehicle.
1. Block the front wheels, loosen the rear wheel nuts
slightly, support the rear of the vehicle on safety
), then remove the rear wheels.
2. Remove the rear caliper and rear brake disc/drum
).
TENSION PIN
BACKING PLATE
'96 - 97 models:
UPPER RETURN SPRINGS
Check for weakness
and damage
CONNECTING ROD
16 mm FLANGE NUT
137 N-m (14 kgf-m, 101 Ibf-ft)
ADJUSTER ASSEMBLY
Check ratchet teeth
for wear and damage.
LOWER RETURN SPRING
Check for weakness
and damage.
PARKING BRAKE LEVER
PARKING BRAKE SHOE
Check for wear.
RETAINER SPRING
Install securely on
tension pin.
ROD SPRING
Check for weakness
and damage.
'98 - 01 models:
BACKING PLATE
UPPER RETURN SPRINGS
Check for weakness
and damage.
CONNECTING ROD
LOWER RETURN SPRING
Check for weakness
and damage.
ADJUSTER ASSEMBLY
Check ratchet teeth
for wear and damage.
16 mm FLANGE NUT
137 N-m (14 kgf-m, 101 Ibf-ft)
10 mm FLANGE NUT
38 N-m (3.9 kgf-m, 28 Ibf-ft)
PARKING BRAKE LEVER
ROD SPRING
PARKING BRAKE SHOE
Check for wear.
Check for weakness RETAINER SPRING
and damage. Install securely on
tension pin.
PIVOT PIN
WAVE WASHER
U-CLIP
Replace.
WAVE WASHER
PIVOT PIN
U-CLIP
Replace.
TENSION PIN
10 mm FLANGE NUT
38 N-m (3.9 kgf-m, 28 Ibf-ft)
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3. Check the brake linings for cracking, glazing, wear,
and contamination.
4. Measure the brake lining thickness.
NOTE: Measurement does not include brake shoe
thickness.
Brake Lining Thickness:
Standard: 1.9 - 2.5 mm (0.075 - 0.098 in)
Service Limit: 1.0 mm (0.04 in)
LININGS
5. If the brake lining thickness is less than the service
limit, replace the brake shoes as a set.
6. Check the bearings in the hub unit for smooth oper-
ation. If the bearings require servicing, refer to
7. Measure the inside diameter of the disc/drum using
inside vernier calipers.
Drum Inside Diameter:
Standard: 169.9 - 170.0 mm (6.689 - 6.693 in)
Service Limit: 171.0 mm (6.732 in)
INSIDE VERNIER CALIPERS
BRAKE DISC/DRUM
8. If the inside diameter of the brake disc/drum is more
than the service limit, replace the brake disc/drum.
9. Check the brake disc/drum for scoring, grooves, and
cracks.
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