Hyundai Equus: Rear Disc Brake Repair procedures
1. |
Remove the rear wheel & tire.
Tightening torque :
88.3 ~ 107.9 N.m (9.0 ~ 11.0 kgf.m, 65.1 ~ 79.6 lb-ft)
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2. |
Loosen the hose eye-bolt (B) and caliper mounting bolts (C), then remove the rear caliper assembly (A).
Tightening torque
Brake hose to caliper:
24.5 ~ 29.4 N.m (2.5 ~ 3.0 kgf.m, 18.1 ~ 21.7 lb-ft)
Caliper assembly to carrier:
63.7 ~ 73.5 N.m (6.5 ~ 7.5 kgf.m, 47.0 ~ 54.2 lb-ft)
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3. |
Remove the rear brake disc by loosening the screws (A). |
Rear Brake Pads
1. |
Loosen the guide rod bolt (B) and pivot the caliper up out of the way.
Tightening torque :
21.6 ~ 31.4 N.m (2.2 ~ 3.2 kgf.m, 15.9 ~ 23.1 lb-ft)
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2. |
Replace pad shim, pad retainers (C) and brake pads (B) in the caliper bracket (A). |
Rear Brake Disc Thickness Check
1. |
Check the brake pads for wear and fade. |
2. |
Check the brake disc for damage and cracks. |
3. |
Remove all rust and contamination from the surface, and
measure the disc thickness at 8 points, at least, of same distance (5mm)
from the brake disc outer circle.
Brake disc thickness
Standard: 20mm (0.79in)
Service limit: 18.4mm (0.72in)
Deviation: less than 0.005mm (0.0002in)
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4. |
If wear exceeds the limit, replace the discs and pad assembly left and right of the vehicle. |
Rear Brake Pad Check
1. |
Check the pad wear. Measure the pad thickness and replace it, if it is less than the specified value.
Pad thickness
Standard value: 9mm (0.35in)
Service limit: 2.0 mm (0.0787 in)
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2. |
Check that grease is applied, to sliding contact points and the pad and backing metal for damage. |
Rear Brake Disc Runout Check
1. |
Place a dial gauge about 5mm (0.2 in.) from the outer circumference of the brake disc, and measure the runout of the disc.
Brake disc runout
Limit: 0.05mm (0.002in.) or less (new one)
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2. |
If the runout of the brake disc exceeds the limit specification, replace the disc, and then measure the runout again. |
3. |
If the runout exceeds the limit specification, install the
brake disc after turning it 180° and then check the runout of the brake
disc again. |
4. |
If the runout cannot be corrected by changing the position of the brake disc, replace the brake disc. |
1. |
Installation is the reverse of removal. |
2. |
Use a SST (09581-11000) when installing the brake caliper assembly. |
3. |
After installation, bleed the brake system.
(Refer to Brake System - "Brake System Bleeding") |
Components
1. Guide rod bolt2. Bleed screw3. Caliper body4. Caliper bracket5. Inner pad shim6. Brake pad7. Pad retainer
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Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the lower crash pad.
(Refer to the Body - "Crash Pad")
3.
Disconnect the stop lamp switch con ...
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1.
Turn the ignition switch OFF.
2.
Disconnect the CCV connector.
3.
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4.
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