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Power steering comes and goes.

Discussion in 'The Garage' started by hunterguy86, Jan 9, 2007.

  1. hunterguy86

    hunterguy86 1/2 ton status

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    My power steering comes and goes on my 86 K5. This started the other day when I was cutting some donuts. I remember cutting donuts and then hearing the pump squeel some. I let off the gas and straightened out the wheels. At that point I had no power steering.

    I parked my k5 and went to bed cause it was late. The next morning I checked my fluid, which was full. I started the truck and I had steering again. I've been drivin it since. The powersteering seems to come and go. I lose it ususally when I have been driving the truck and everything warms up.

    So what did I do? Did I burn up the pump? Should i take a hose off and drain the fluid and put more in and then bleed the air? Any other advice?
     
  2. Jason4x4

    Jason4x4 1/2 ton status

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    make sure your belt is tight, and not glazed
     
  3. hunterguy86

    hunterguy86 1/2 ton status

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    Ya I checked the belt. It is tight and the pump does not make any squeeling noises, like it would if the belt were lose.
     
  4. Leper

    Leper 1/2 ton status

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    I had to replace a pump on an 85 because, at idle, the pump did nothing. Rev the hell out of it and it worked.
     
  5. diesel4me

    diesel4me 1 ton status Premium Member

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    probably not the pump...

    A power steering pump either works,or it does not,usually--no "intermittent" power assist or lack thereof ..if it were the pump you'd hear it whining like it was low on fluid,or the belt squealing..

    I'd guess you have a partial blockage in one of the power steering hoses, or the box itself perhaps,or the pressure relief valve in the pump is sticking or has a broken spring,allowing pressure to by-pass the steering box and dump back into the pump..foamy fluid with lots of air can cause this also,overfilling is a common cause of that..a bad power steering box can cause "lumpy" steering ,even with a good pump too...:crazy:
     
  6. jamber2541

    jamber2541 1/2 ton status

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    x2, when I rebuilt my engine I took the time to clean everything else including the power steering pump and you would not believe how dirty those things can get.
     

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