How is the Power Steering Pressure Switch sensor installed or removed in relation to the pump on Hyundai Sonata?

The switch is installed either in the pump or in the fluid line near the pump. Begin by disconnecting the cable from the negative battery terminal. Next, locate the Power Steering Pressure Switch and disconnect the switch electrical connector. Place a drain pan or rags under the switch, then unscrew the PSP switch, being prepared for some power steering fluid to leak out. Installation is the reverse of removal, and after completing the installation, check the power steering fluid level and add fluid as necessary.

Genuine Hyundai Sonata Power Steering Pressure Switch

Power Steering Oil Pressure Switch

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4 Power Steering Pressure Switches found

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Hyundai Sonata Sensor-Pressure
Part Number: 57535-3K000
$205.72 MSRP: $289.03
You Save: $83.31 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pressure Sensor
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2005-2010 Hyundai Sonata | High Grade, Middle Grade | DOHC - MPI | 4 Door Sedan, Sedan - 4Door 5P
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Hyundai Sonata Switch Assembly-Pressure
Part Number: 57135-33510
$39.99 MSRP: $55.69
You Save: $15.70 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Power Steering Pressure Switch
- Replaces: 57135-33500, 57135-33100
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1988-2005 Hyundai Sonata | High Grade, Middle Grade | 4 Door, 4 Door Sedan
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Hyundai Sonata Switch Assembly-Pressure
Part Number: 57135-33100
$39.99 MSRP: $55.69
You Save: $15.70 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 57135-33510
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1988-1993 Hyundai Sonata | High Grade, Middle Grade | 4 Door
View related parts
Hyundai Sonata Switch Assembly-Pressure
Part Number: 57135-33500
$39.99 MSRP: $55.69
You Save: $15.70 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 57135-33510
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1988-1998 Hyundai Sonata | High Grade, Middle Grade | 4 Door

Hyundai Sonata Power Steering Pressure Switch

The Power Steering Pressure Switch of Hyundai Sonata prevents the engine from stalling, allowing smooth low-speed regulation while parking and making U-turns when steering loads increase. The Power Steering Pressure Switch is a relatively low-tech device designed to accomplish an important function. This small sensor is installed in the hydraulic line between the pump and the rack. If steering effort manages to push the system pressure above a preset threshold, the Power Steering Pressure Switch closes a circuit. This sends an alert to the ECU, engine control unit. The system applied in the vehicle activates excess idle speed instantly and provides extra torque, allowing the pump to work without dragging down engine rpm. Older Hyundai models from the late nineties had a Power Steering Pressure Switch that simply operated as an on-off switch. This was paired with a basic hydraulic rack. As the Sonata lineup gained electronic variable assist, Hyundai moved to a two-stage design. This two-stage design would report different levels of pressure for finer modulation. Regardless of the differences, all Power Steering Pressure Switches have a common objective of reducing the risks of stalling and providing light steering at low speed. The recent Hyundai Sonata hybrids use an electric pump to assist the power steering system, but they also incorporate a separate Power Steering Pressure Switch. This switch informs the control module whenever hydraulic assist spikes during tight cornering or parallel parking.

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Hyundai Sonata Power Steering Pressure Switch Parts Questions & Experts Answers

Switch Assembly-Pressure
57135-33510
Q: How is the Power Steering Pressure Switch sensor installed or removed in relation to the pump on Hyundai Sonata?
A:
The switch is installed either in the pump or in the fluid line near the pump. Begin by disconnecting the cable from the negative battery terminal. Next, locate the Power Steering Pressure Switch and disconnect the switch electrical connector. Place a drain pan or rags under the switch, then unscrew the PSP switch, being prepared for some power steering fluid to leak out. Installation is the reverse of removal, and after completing the installation, check the power steering fluid level and add fluid as necessary.