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Re: 2007 chevy impala
Pricing vary, depending on where you live and if you want it done at a dealership or at a local shop.It would be about 1hour of labor +price of the hose+power steering fluid. Dealer charges about $70.00 an hour. You can call the dealer ask how much to change the hose. Also a local shop can gave you an estimate.
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You need to first diagnose what is leaking. Most power steering leaks are in the pressure hose but not always. Pressure hoses will have screw on fittings and return hoses will usually just have spring clamps or screw type clamps on the end of the hose. Pressure hose most likely, return hoses 2nd, failing rack and pinion assy 3rd and pressure pump last. If its leaking from the bellows on the end of the rack and pinion the you will need a reman unit. Presure pumps are also remanufactured if thats what you need. hoses are replaced with new hoses or standard return hose for the return line.
depending on the options of the vehicle you have a pressure and return line that goes from pump to steering rack. some have a fluid cooler. but most likely it is the pressure line that is leaking. they use rubber and metal lines together. bad hose clamp, rusted line, or hole in rubber line.
The power steering pump is belt driven. It is on the engine where you put fluid in. There are two lines that run from the power steering pump to the power steering rack on the firewall. The fluid can leak from the pump, either of the lines or the rack itself. If you are handy you may be able to repair the problem by replacing the bad part. Wear safety glasses when looking for the leak and do not touch the fluid leak when the engine is running. The pressure is high enough to hurt you. If you ignore the problem you will eventually loose the power assist and may be unable to steer the car. Fix it now!
One line is high pressure and the other is a return line. Check them with the engine off and when you think you've found the leak staret the car and look for the leak. If it sprays like a water hose DO NOT TOUCH THE LEAK. The pressure is high enough to cause serious injury.
Common leak points are the p/s lines, specifically the pressure line where the hard line and rubber hose are crimped together. Also check the pump itself, steering rack and fittings, return line and cooler (usually just a loop in the return line). I usually like to clean off the area where i find the leak with some brake clean and drive the car for a bit. It's easier to find the source of the leak when the fluid isn't all over the place.
It could be either of 2 things, the Pressure hose coming from your Power steering container (Holding your power streering fluid, or your return Line. the power steering pressure hose costs any where from $35-$60 dollars and is a pain in the **** to do your self on a malibu. the return line is a length of hose that is cut for you, costs anywhere from $3 -$12 - this is also a pain in the ****, due to the limited amount of room to work with and as well as the power steering fluid leaking on you. Your bet bet is to fix it yourself, cause they will cost you alot to take it in for repair unless you got the cash. Always remember to Block (tires) your vehicle anytime you are working underneathe it for safety reasons and to have someone watching you just in case ;)
Hope this was helpful
is it the pressure hose or the return hose?
if its the pressure hose and your power steering is working fine before it blows then the releaf valve is bad in the pump and you would need too replace the pump also
if its the return hose then they are either not clamping it or its not strong enough too hold the pressure e.g. wrong one for it!!!