top right pully has play in the shaft

2002 FORD EXPLORER
15,800 MILES
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DWG13
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2002 ford explorer. 6cyl 4.0 4wd. the top right pulley has play in the shaft. took pulley off. what is the part that it is installed on? it has a line that runs in and out of a small radiator. should there be play in the shaft and would this cause the oil to leak?

I was hearing a higher sounding noise in engine. oil filter blew and i shut down right away.

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Jan 30, 2012 at 8:44 PM
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HMAC300
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here take your pick. sounds like a steering line blew
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Jan 30, 2012 at 11:53 PM
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DWG13
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So it would be the power steering pump. Should the shaft move in and out? I've blown two oil filters, not steering. Thanks
Jan 31, 2012 at 12:01 AM
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DWG13
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what would be a tell tale sign that the oil pump is not working without taking anything apart. The engine has to be removed to change the pump on this thing.
Jan 31, 2012 at 12:03 AM
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HMAC300
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if you are blowing oil fiters, the pump would be putting out to much pressure. However if you are using on eof the cheap type filters, fram is one then switch to a purolator pure one or bosch or wix or napa. napa you cna use sliver series.
Jan 31, 2012 at 12:11 AM
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HMAC300
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the p/s pump shaft will move in and out a little but not enough where you would see it.
Jan 31, 2012 at 12:12 AM
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DWG13
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No, I cant see it move ,just can move it with my fingers after belt is off.Blew a wix. Thanks very much for your help.
Jan 31, 2012 at 12:21 AM
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HMAC300
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if it blew a wix then you probably have a stuck valve in the pump.you should only have a couple of thousandsths movement with ps shaft.
Jan 31, 2012 at 12:23 AM
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DWG13
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Can I unstick it without having to raise the engine out?
Jan 31, 2012 at 12:25 AM
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HMAC300
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not unless you can get the oil pump out
Jan 31, 2012 at 12:26 AM
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DWG13
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thanks again
Jan 31, 2012 at 12:29 AM
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MHPAUTOS
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If you do not fix this excessive oil pressure problem you will also damage the rear mail oil seal, get the oil pressure checked to prove that this is the cause first.
Jan 31, 2012 at 11:24 AM