Hyundai Santa Fe (DM): Brake Booster. Repair procedures
Brake Booster Operating Test
For simple checking of the brake booster operation, carry out the following
tests.
| 1. |
Run the engine for one or two minutes, and then stop it. If the
pedal depresses fully the first time but gradually becomes higher when
depressed succeeding times, the booster is operating properly, if the
pedal height remains unchanged, the booster is inoperative.
Смотрите информацию vet Dubai тут.
|
| 2. |
With the engine stopped, step on the brake pedal several times.
Then step on the brake pedal and start the engine. If the pedal
moves downward slightly, the booster is in good condition. If there
is no change, the booster is inoperative.
|
| 3. |
With the engine running, step on the brake pedal and then stop
the engine.Hold the pedal depressed for 30 seconds. If the pedal height
does not change, the booster is in good condition, if the pedal rises,
the booster is inoperative.
If the above three tests are okay, the booster performance can
be determined as good.
Even if one of the above three tests is not okay, check the check
valve, vacuum hose and booster for malfunction.
|
Removal
Brake Booster
| 1. |
Turn ignition switch OFF and disconnect the negative (-) battery
cable.
|
| 2. |
Remove the air cleaner assembly.
|
| 3. |
Remove the master cylinder.
|
| 4. |
Disconnect the vacuum hose (A) from the brake booster.
|
| 5. |
Remove the snap pin (A) and clevis pin (B).
|
| 6. |
Remove the mounting nuts (A).
|
| 7. |
Remove the brake booster (A).
|
Vacuum Pump
| 1. |
Turn ignition switch OFF.
|
| 2. |
Remove the engine room under cover.
|
| 3. |
Disconnect the vacuum pump connector (A).
|
| 4. |
Disconnect the vacuum hose (A).
|
| 5. |
Loosen the vacuum pump bracket bolts (A), and then remove vacuum
pump and bracket.
|
| 6. |
Remove the 2 bolts, and then remove the bracket from vacuum pump.
|
Inspection
| 1. |
Inspect the check valve in the vacuum hose, intensifier and the
connecting section.
|
| 2. |
Check the boot for damage.
|
Vacuum Pump
| 1. |
Check the brake warning lamp in the IGN ON position.
|
| 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.
|
Installation
Brake Booster
| 1. |
Installation is the reverse of removal.
|
| 2. |
After installation, bleed the brake system.
|
Vacuum Pump
| 1. |
Installation is the reverse of removal.
|
| 2. |
Tighten the vacuum pump mounting bolts to the specified torque.
|
Brake Booster. Components and Components Location
Components (1) 1. Brake booster 2. Master cylinder assembly 3. O-ring Components (2) 1. Vacuum pump 2. Bracket ...
Master Cylinder. Components and Components Location
Components 1. Reservoir cap 2. Reservoir 3. Grommet 4. Master cylinder ...
See also:
Engine Control Module (ECM). Repair procedures
Removal When replacing the ECM, the vehicle equipped with the immobilizer must be performed procedure as below. [In the case of installing used ECM] 1) Perform "ECM Neutral mode" procedure with ...
Safety chains
You should always attach chains between your vehicle and your trailer. Cross the safety chains under the tongue of the trailer so that the tongue will not drop to the road if it becomes separated from ...
Closing the tailgate
To close the tailgate, lower and push down the tailgate firmly. Make sure that the tailgate is securely latched. WARNING - Exhaust fumes If you drive with the tailgate open, you will draw dangerous exhaust ...
