POWER STEERING HOSE
Power steering systems have two hoses: a high-pressure hose and a low-pressure hose.
The high-pressure hose is made from a reinforced synthetic compound and the hose fittings are usually double-flared compression fittings. The low-pressure hose is similar in construction, but it may not use compression fittings due to the lower pressure in this hose.
Type one–Power Steering Pump Hose J188
The hose can bear high pressure with good performance of pulse resistance, oil resistance, low turbidity flexing resistance and hot air resistance. It has the performance of anti-burst, high tensile strength, and the change rate of the tube length is small after being pressed. It can provide reliable, safe power steering performance in any circumstances to ensure the vehicle operate easily and safely.
Designed to transfer air, oil, water and refined fuels under cold and freezing working environment. The temperature range is from -40″C to +125’C (max 135″C). It performs well with flexible softness under the low temperature.
SAE J188 Power Steering Hose use to the vehicles of the power steering system and pressure transfer in the power steering assembly.
|Tube||Oil resistance synthetic rubber(CSM)|
|Reinforcement||Hige tensile braid of fibers|
|Cover|| Synthetic rubber with excellent aging resistance and weatherability|
(CPE/CSM) smooth or warpped
|Temperature Range||-40˚C to 125˚C|
|SAE Specifications||SAE J188|
Type two–Power Steering Pump Hose J189
Designed for use on the return side of automotive and truck power steering systems where resistance to power steering fluid is critical.
|Tube||Black Wingprene (CR)|
|Cover||Black Wingprene (CR)|
|Temperature Range||-40˚C to 121˚C|
|SAE Specifications||SAE J189|
|Branding||3/8″ (9.5mm) SAE J189 Continental|
|Installation||See Selection of Continental Clamps|
The high-pressure (supply) hose carries high-pressure oil from the power steering pump to the steering gear. The low-pressure (return) hose carries oil from the steering gear back to the pump or its reservoir.
Check the power steering fluid level at every oil change and inspect the hoses regularly. When checking the hoses, look for leaks, rusted or corroded fittings, sponginess, stiffness, and cuts
and abrasions. Hoses showing any of these conditions should be replaced. Refer to your car’s owner’s manual for specific recommendations on the type of power steering fluid to use.
Fluids need to be compatible with hoses and seals and in some cases the recommended fluid
may be automatic transmission fluids. It’s possible to check the power steering fluid level
when your car is cold, but it’s usually recommended to check the fluid with the car warmed
up. Many cars today use a semi-transparent reservoir for power steering fluid, so look for a fluid level mark on the outside. If the reservoir has no markings, open the reservoir’s cap.
There should be a small dipstick attached that provides the level reading. Use care not to run the system low on fluid; insufficient fluid level can damage the power steering pump.
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