Hyundai Tucson: Operation and Leakage Check
Inspection
- Brake Booster (A)
(1) Check brake operation by applying the brakes during a test drive. If the brakes do not work properly, check the brake booster. Replace the brake booster as an assembly if it does not work properly or if there are signs of leakage.
- Piston cup and pressure cup inspection (B)
(1) Check brake operation by applying the brakes. Look for damage or signs of fluid leakage. Replace the master cylinder as an assembly if the pedal does not work properly or if there is damage or signs of fluid leakage.
(2) Look for damage or signs of fluid leakage.
(3) Replace the master cylinder as an assembly if the pedal does not work properly or if there is damage or signs of fluid leakage.
(4) Check for a difference in brake pedal stroke between quick and slow brake applications.
(5) Replace the master cylinder if there is a difference in pedal stroke.
- Brake hoses (C)
(1) Look for damage or signs of fluid leakage.
(2) Replace the brake hose with a new one if it is damaged or leaking.
- Caliper piston seal and piston boots (D)
(1) Check brake operation by applying the brakes.
(2) Look for damage or signs of fluid leakage. If the pedal does not work properly, the brakes drag, or there is damage or signs of fluid leakage, disassemble and inspect the brake caliper. Replace the boots and seals with new ones whenever the brake caliper is disassembled.
Brake System (Judder Inspection)
READ NEXT:
Brake Booster Operating
Components
Reservoir cap
Reservoir
Brake booster
Master cylinder
Push rod
Test
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
Brake Booster - Removal
Components
Reservoir cap
Reservoir
Brake booster
Master cylinder
Push rod
Removal
Turm ignition switch OFF and disconnect the negative (-) battery cable.
Remove the battery.
(Refer to Engine Electrical System - "Batter
Brake Tube Engine Room
Components
Removal
WARNING
Be careful not to damage the parts located under the vehicle
(floor under cover, fuel filter, fuel tank and
canister) when raising the vehicle using the lift.
(Refer to General Information - "Lift and Su
SEE MORE:
Gear acmator assembly
Components
Gear acmator assembly
Specification
Connector and Terminal Function
Circuit Diagram
Inspection
The DCT system can be more quickly diagnosed for troubles by using the
vehicle diagnostic system (diagnosti
ABS Does Not Operate/ ABS Does Not Operate (Intermittently)
ABS Does Not Operate
Detecting condition
Brake operation varies depending on driving conditions and road surface
conditions, so diagnosis can be difficult. However if a normal DTC is
displayed, check the following probable cause. When the problem
Information
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual
