Hyundai Santa Fe: Hydraulic System / Underdrive Brake Control Solenoid Valve (UD/B_VFS). Description and operation
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Underdrive brake control solenoid valve(UD/B) is attached to the valve
body.
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• |
This variable force solenoid valve directly controls the hydraulic pressure
inside the underdrive brake.
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Inspection
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Refer to the DTC manual for the check procedure...
Component Location (1)_Valve
Body Cover
1. Valve Body
Cover
2. Valve Body Cover Gasket
3. Solenoid Valve Connector
Component Location (2)_Solenoid
Valve
1...
Other information:
Replacement
•
Put on gloves to prevent hand injuries.
•
When removing with a flat-tip screwdriver or remover, wrap protective
tape around the tools to prevent damage to components...
Follow Normal Maintenance Schedule if the vehicle is usually operated where none
of the following conditions apply. If any of the following conditions apply, you
must follow the Maintenance Under Severe Usage Conditions.
Repeated driving short distance of less than 5 miles (8 km) in normal
temperature or less than 10 miles (16 km) in freezing temperature
Extensive engine idling or low speed driving for long distances
Driving on rough, dusty, muddy, unpaved, graveled or salt-spread roads
Driving in areas using salt or other corrosive materials or in very cold
weather
Driving in heavy dust conditions
Driving in heavy traffic area
Driving on uphill, downhill, or mountain road repeatedly
Towing a trailer or using a camper, or roof rack
Driving as a patrol car, taxi, other commercial use of vehicle towing
Driving over 106 miles (170 km/h)
Frequently driving in stop-and-go condition
Engine oil usage which is not recommended (mineral, semi-synthetic, lower
grade spec, etc...
Categories
1. Instrument cluster
2. Driver’s front air bag
3. Engine Start/Stop button
4. Infotainment system
5. Hazard warning lamp switch
6. Climate control system
7. Shift button
8. ISG (Idle Stop and Go) button
9. Auto Hold button
10. Heated steering wheel button
11. Drive mode button
12. DBC (Downhill Brake Control) button
13. Parking Safety button
14. Parking/View button
15. Air ventilation seat button
16. Seat warmer
17. Passenger’s front air bag
18. Glove box
19. Wireless charging system pad
20. Cup holder
21. AC inverter
22. USB charger
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