Trouble with power steering
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New User
Joined: Aug 2012
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Trouble with power steering
Hey guys ive been having this problem for about 6 months now. When i purchased the truck it had a steering whine / groan while turning and was loosing PS fluid. It is also very hard to turn while at a dead stop. Sometimes it will be easy to turn at a stop then seconds later really hard. Also if my fluid get just a HAIR low the groaning will get really loud and my brake pedal also groans until i get more fluid in it (i have to almost fill it to the top of the resovior). I figured the power steering pump needed to be replaced, well i replaced it today and it didn't change a thing besides it isnt leaking anymore that i know of. The shop that put in the pump told me that i need a new hydro-boost but im not sure thats it. Wanted to get some input before putting in something else. Thanks
More Turbo
Joined: Jan 2011
Posts: 699
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https://www.ford-trucks.com/forums/1...ing-whine.html
Check out this thread. There is a link to how to flush it
Check out this thread. There is a link to how to flush it
Fleet Owner
Joined: Apr 2012
Posts: 27,307
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From: Spanaway
Because you have a diesel and don't have a large vacuum pump
your brakes are operated by the power steering system hydraulic
pressure. That is what the hydro-boost system is. If you open the hood
and look just behind the brake master cylinder on the firewall you will
see some hoses that come from the Power Steering pump. If you replace
the fluid you also want to pump the brakes to force the fluid out of the
accumulator. That is why you have brakes when the motor is off. The accumulator
stores some fluid under pressure so that you have 2 or 3 shots at the brakes.
Sean
your brakes are operated by the power steering system hydraulic
pressure. That is what the hydro-boost system is. If you open the hood
and look just behind the brake master cylinder on the firewall you will
see some hoses that come from the Power Steering pump. If you replace
the fluid you also want to pump the brakes to force the fluid out of the
accumulator. That is why you have brakes when the motor is off. The accumulator
stores some fluid under pressure so that you have 2 or 3 shots at the brakes.
Sean
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