Kia Cee'd: Brake System / Vacuum Pump Repair procedures

Kia Cee'd JD Service Manual / Brake System / Brake System / Vacuum Pump Repair procedures

Removal
Gamma 1.6 T-GDI
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the under covers (A).
Tightening torque:
3.9 ~ 5.9 N.m (0.4 ~ 0.6 kgf.m, 2.9 ~ 4.3 lb-ft)

3.
Disconnect the vacuum pump connector (A).

4.
Disconnect the vacuum hose (B).
5.
Loosen the vacuum pump bracket bolts (A), and then remove vacuum pump and bracket.
Tightening torque:
6 ~ 8 N.m (0.61 ~ 0.82 kgf.m, 4.4 ~ 5.9 lb-ft)

Kappa 1.0 T-GDI
1.
Disconnect the battery negative terminal.
2.
Disconnect the wiring connectors and harness clamps and remove the connector brackets around the vacuum pump.

3.
Remove the air intake hose.
(Refer to Engine Mechanical System - "Air Cleaner")
4.
Disconnect the brake booster vacuum hose (A).

5.
Disconnect the vacuum hose (A).

6.
Remove the water fitting.
(Refer to Engine Mechanical System - "Water Temperature Control Assembly")
7.
Remove the wiring bracket (A) and then remove the vacuum pump (B).
Tightening torque :
18.6 ~ 22.6 N.m (1.9 ~ 2.3 kgf.m, 13.7 ~ 16.6 lb-ft)

8.
Install in the reverse order of removal.
Inspection
1.
Check the brake warning lamp in the IGN ON position.
  
Brake warning lamp is ON as below conditions.
1)
Brake warning lamp is ON as below conditions.
2)
Low brake fluid level warning
3)
Low brake vacuum pressure warning
Vacuum pump is abnormal condition
Vacuum pump CAN communication is abnormal condition
2.
Check that the brake warning lamp is ON after the release the parking brake with a sufficient brake fluid level.
If the brake warning lamp is ON, check the below points.
(1)
Is the brake warning lamp ON within 5 seconds after IGN ON?
 

▶ Reinstall the vacuum pump connector after removing it. And if the brake warning lamp is ON within 5 seconds after IGN ON, replace the vacuum pump.

▶ Check the 2).

(2)
Is the brake warning lamp ON within 45~55 seconds?
 

▶ Brake vacuum switch is normal condition.

▶ Check the 3).

(3)
Is the brake warning lamp ON within 15~30 seconds after removing the vacuum hose from the brake booster?
 

▶ Replace the vacuum pump

▶ Vacuum pump is normal condition

Installation
1.
Installation is the reverse of removal.
2.
Tighten the vacuum pump mounting bolts to the specified torque.
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