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Hyundai Veloster: Rear Disc Brake. Repair procedures - Brake System - Brake SystemHyundai Veloster: Rear Disc Brake. Repair procedures

Hyundai Veloster 2011-2017 Service Manual / Brake System / Brake System / Rear Disc Brake. Repair procedures

Removal

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)
2.
Release the parking lever and parking brake cable is loose.
3.
Remove the parking brake cable (B), after removing the clip (A).

Parking brake lever in the car must be in fully loosened position.
4.
Remove the hose eyebolt (C).
Tightening torque:
Brake hose to caliper (C):
24.5 ~ 29.4 N.m (2.5 ~ 3.0 kgf.m, 18.1 ~ 21.7 lb-ft)
5.
Loosen the caliper mounting bolts (B), then remove the rear caliper assembly (A).
Tightening torque:
Caliper assembly to carrier:
63.7 ~ 73.5 N.m (6.5 ~ 7.5 kgf.m, 47.0 ~ 54.2 lb-ft)

6.
Remove the rear brake disc by loosening the screws (A).
Tightening torque:
4.9 ~ 5.8 N.m (0.5 ~ 0.6 kgf.m, 3.6 ~ 4.3 lb-ft)


Replacement

Rear Brake Pads
1.
Loosen the guide rod bolts (A,B) and then remove the rear caliper body (C).
Tightening torque:
21.6 ~ 31.4 N.m (2.2 ~ 3.2 kgf.m, 15.9 ~23.1 lb-ft)

•
Where necessary prevent the guide rods from rotating with an appropriate wrench.
•
Be careful not to damage the dust covers.
2.
Replace pad retainers (C) and brake pads (B) in the caliper carrier (A).

•
Clean the pad retainer surface at the caliper bracket.
•
Inspect the piston boots for damage and replace if necessary.
•
Check the smooth action of the guide rods, and their dust covers for damage.

Inspection

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: 10 mm (0.394 in)
Service limit: 8.4 mm (0.331 in)
Deviation: less than 0.01 mm (0.00039 in)

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: 10 mm (0.394 in)
Service limit: 2.0 mm (0.0787 in)
2.
Check the damage of pad, backing metal and contamination with grease.
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: 0.03 mm (0.0012 in.) or less (new one)

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.

Installation

1.
Installation is the reverse of removal.
2.
Rotate the caliper piston and push the direction of the arrow.

•
Wind the piston into the caliper body until it is fully retracted.
•
Do not use any power assisted tools for this task.
•
Manually insert new screws from the brake pad and tighten the leading-pin bolt(A) first with specified torque, following this tighten the trailing-pin bolt(B) in the same manner.

3.
After installation, bleed the
(Refer to Brake system bleeding)
•
Bring the brake pads in their operating position by pressing the brake pedal down (half of normal pedal travel) several times until there is resistance.
•
In order to bed the brake pads to the brake disc and ensure performance and endurance, the vehicle user must be instructed to avoid heavy braking or sustained periods with the brakes applied, for the first 200km(124mile) after installing new pads.
•
Re-setting of the parking brake is necessary after overhauling the caliper body, or if the brake calipers, caliper body, parking brake cable or brake discs have been changed.

Rear Disc Brake. Components and Components Location
Components 1. Guide rod bolt 2. Bleed screw 3. Caliper carrier 4. Caliper body 5. Brake pad 6. Pad retainer ...

Parking Brake System
...

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