Hyundai Palisade: Brake System / Brake Booster

Hyundai Palisade (LX2) 2020-2024 Service Manual / Brake System / Brake System / Brake Booster

Components and components location
Components

Hyundai Palisade. Components and components location

1. Reservoir cap
2. Reservoir
3. Brake booster
4. Master cylinder
5. Push rod
6. Brake booster vacuum pressure snesor (BBVPS)

Repair procedures
Brake Booster Operating Test
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.

Hyundai Palisade. Repair procedures

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.

Hyundai Palisade. Repair procedures

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
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the air cleaner assembly.
(Refer to Engine Mechanical System - "Air Cleaner")
3.
Remove the master cylinder.
(Refer to Brake System - "Brake Master Cylinder")
4.
Remove the fixing clip and the vacuum hose (A) from the brake booster.

Hyundai Palisade. Repair procedures

5.
Disconnect the brake booster vacuum pressure sensor connector (A).

Hyundai Palisade. Repair procedures

6.
Remove the snap pin (A) and the clevis pin (B).

Hyundai Palisade. Repair procedures

7.
Loosen the fixed nut (A) and then removing the brake booster (B).
Tightening torque :
16.7 - 25.5 N.m (1.7 - 2.6 kgf.m, 12.3 - 18.8 lb-ft)

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures

Inspection
1.
Inspect the vacuum hose.
2.
Check the boot for damage.
Installation
1.
To install, reverse the removal procedure.
Hyundai Palisade. Repair procedures   
Before installing the pin, apply the grease to the joint pin.
Use a new snap pin whenever installing.
2.
After installation, bleed the brake system.
(Refer to Brake System - "Brake System Bleeding")
(Refer to Brake System - "ESP System Bleeding)
3.
Check the brake oil leakage and pedal operating condition.

    Repair procedures

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    Master Cylinder

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    Hyundai Palisade (LX2) 2020-2024 Service Manual: Repair procedures


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    Categories

    Battery replacement

    Hyundai Palisade. Battery replacement

    If the remote key is not working properly, try replacing the battery with a new one.

    Battery Type: CR2032

    To replace the battery:

    read more


     
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