Hyundai Creta: Brake System / Front Disc Brake

Components and components location

Components

1. Caliper carrier
2. Pad retainer
3. Brake pad
4. Inner pad shim
5. Pad return spring
6. Caliper body

Repair procedures

Removal
1.
Remove the front wheel & tire (A).
Tightening torque :
88.3 ~ 107.9 N.m(9.0 ~ 11.0 kgf.m, 65.1 ~ 79.6 lb-ft)

2.
Disconnect the brake hose from the brake caliper by loosening the bolt (A).
Tightening torque :
24.5 ~29.4 N.m (2.5 ~3.0 kgf.m, 18.1 ~21.7 lb-ft)

3.
Loosen the guide rod bolt (B) and down the caliper carrier (A).
Tightening torque :
21.6 ~ 31.4 N.m (2.2 ~ 3.2 kgf.m, 15.9 ~ 23.1 lb-ft)

4.
Loosen the brake hose mounting bolt (A).

5.
Remove the pad return spring (A) and then separate the brake pad.

  
Pad return springs must be replaced with new ones whenever pads are replaced.
Technicians should be careful not to deform pad return springs.
When pad return springs are deformed, it may cause improper braking, more fuel consumption.
6.
Loosen caliper mounting bolts, then remove the front caliper assembly (A).
Tightening torque :
78.5 ~ 98.1 N.m (8.0 ~ 10.0 kgf.m, 57.9 ~ 72.3 lb-ft)

Replacement
Brake pad replacement
1.
Remove the front wheel & tire.
Tightening torque:
88.3 ~ 107.9 N.m(9.0 ~ 11.0 kgf.m, 65.1 ~ 79.6 lb-ft)
2.
Loosen the guide rod bolt (B) and down the caliper carrier (A).

3.
Loosen the brake hose mounting bolt (A).

4.
Repalce the pad return spring, brake pad, pad retainer and inner pad shim with a new one.

  
Pad return springs must be replaced with new ones whenever pads are replaced.
Technicians should be careful not to deform pad return springs.
When pad return springs are deformed, it may cause improper braking, more fuel consumption.
5.
Use a SST (09581-2T100) when installing the brake caliper assembly.

  
Connect an air hose(B) to the SST after confirming that the valve of the SST is surely closed.
Input the SST in the caliper and press the caliper piston while opening the valve of the SST slowly couter clock wise.
Close the valve (A) of the SST and disconnect the air hose (B); then, open the valve again to get the rest of air out and remove the SST from the caliper.
6.
Up the caliper body(A) then tighten the guide rod bolt(B).
Tightening torque :
21.6 ~ 31.4 N.m (2.2 ~ 3.2 kgf.m, 15.9 ~ 23.1 lb-ft)

7.
Install the brake hose mounting bracket.
Tightening torque :
8.8 ~ 13.7 N.m (0.9 ~ 1.4 kgf.m, 6.5 ~ 10.1 lb-ft)

Inspection
Front 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 contaminating materials from the surface, and measure the disc thickness at the place of 5mm from the outer circumference as the illustration below.
Brake disc thickness
- Standard : 28 mm (1.10 in)
- Service Limit : 26.4 mm (1.04 in)
Deviation: Less than 0.005mm (0.0002in)

4.
If wear exceeds the limit, replace the discs and pad assembly left and right of the vehicle.
Front 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: 11 mm (0.43 in)
Service limit: 2.0 mm (0.0787 in)
2.
Check that grease is applied, to sliding contact points and the pad and backing metal for damage.

Front 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: 0.04 mm (0.00157 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 does not exceed 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.
Install in the reverse order of removal.
2.
Use a SST (09581-2T100) when installing the brake caliper assembly.

  
Connect an air hose(B) to the SST after confirming that the valve of the SST is surely closed.
Input the SST in the caliper and press the caliper piston while opening the valve of the SST slowly couter clock wise.
Close the valve (A) of the SST and disconnect the air hose (B); then, open the valve again to get the rest of air out and remove the SST from the caliper.
3.
After installation, bleed the brake system.
(Refer to Brake System - "Brake System Bleeding")
(Refer to Brake System - "ABS System Bleeding")
(Refer to Brake System - "ESPSystem Bleeding")
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