Question about 1999 Mercury Sable

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Annoying sound in front

I had to repalce rack & pinion and while I was at it I replaced the pressure hose along with the pump. There is an annoying noise that sounds when driving slow and sounds like it is close to the firewall. Sounds like gulping or gurgaling. I can not figure it out. There are also some klunking noises that are more minimal at low speeds also. I did the repairs myself and I tightened the sub frame bolts along with swaybar and all others that I could find to tighten. After I replace R&M I had a 4 wheel thrust alignment and the car drives fine. Just the annoying sounds that I can't find.

Please help if you can.
Thanks, David

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  • PaulSTL Jan 15, 2009

    I have the same issue. Almost sounds like its coming from inside the dash on the passsenger side! I can tell you it WONT be the Hub Bearing assy. Its just not possible. It could be upper strut mounts. I have to investigate some more.

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How to repair power steering leak?


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.

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A bad seal in the rack and pinion would have caused low pressure from fluid by-passing the seal. This also would have caused noticeably increased effort to steer the vehicle. Excessively high pressure would indicate an issue between the power steering pump and the rack, and since the hoses have been replaced I would focus on the pump. PS, find a real mechanic, not a parts changer.

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