Brake System
Vacuum Pump Repair Procedures
In this manual: Brake System
17steps
~102min
4/5difficulty
Done 0 of 17
Removal
Gamma 1.6 T-GDi- Turn the ignition switch OFF and disconnect the negative (-) battery cable.
- Remove the lower covers (A).
Tightening torque: 3.9 ~ 5.9 N·m

- Disconnect the vacuum pump connector (A).

- Disconnect the vacuum hose (B).
- Loosen the vacuum pump bracket bolts (A), then remove the vacuum pump and bracket.
Tightening torque: 6 ~ 8 N·m

- Disconnect the negative battery cable.
- Disconnect the wiring connectors and harness clamps, and remove the brackets around the vacuum pump.

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

- Disconnect the vacuum hose (A).

- Remove the water outlet fitting. (Refer to Engine Mechanical System - "Coolant Temperature Control Assembly")
- Remove the wiring bracket (A), then remove the vacuum pump (B).
Tightening torque: 18.6 ~ 23 N·m

- Install in the reverse order of removal.
Inspection
- Check the brake system warning lamp with the ignition in the ON position.
- Make sure the brake system warning lamp goes off after releasing the parking brake with a sufficient brake fluid level. If the brake system warning lamp remains on, check the following items.
- Does the brake system warning lamp illuminate within 5 seconds after turning the ignition on?

▶ Reconnect the vacuum pump connector after removing it. If the brake warning lamp illuminates within 5 seconds after turning the ignition on, replace the vacuum pump. 
▶ Check 2). - Does the brake system warning lamp illuminate for 45 to 55 seconds?

▶ The brake vacuum switch is in normal condition. 
▶ Check 3). - Does the brake system warning lamp illuminate for 15 to 30 seconds after disconnecting the vacuum hose from the brake booster?

▶ Replace the vacuum pump. 
▶ The vacuum pump is in normal condition.
- Does the brake system warning lamp illuminate within 5 seconds after turning the ignition on?
Installation
- Installation is the reverse of removal.
- Tighten the vacuum pump mounting bolts to the specified torque.
Test yourself
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