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Power Strokes
7.3 Tech
2001 F350 esof 4x4 issues.
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[QUOTE="TARM, post: 473064, member: 578"] Your pump is working like it should. Those reading and the stop etc is all normal. The pump does not put a constant vacuum it pulls vacuum to lock and then stops. It then will pull vacuum again to unlock. Think of a push button writing pen click once to extend point click again to retract. Same deal ' The issue and you found it is your hubs have seized up. You may be able to salvage them. Go to Guzzles page and it shows how to break them down and put them back together etc.. Also there is new gaskets you should install that you can order from him as well. Pick up some silicon and break free sprays etc. You need to get that knob turning. Cut a slot in a end of a piece of sch 30 pvc. Enough so the part you turn can fit in it. Add a 90 T to the end of it so you can turn it. Place it on there and you should after some soaking and spraying of lube around the edges so the lube gets in there get it to turn. You will need to just keep turning it back and forth until it gets easier and easier. Once its easy enough to turn by hand put it all back together and install it. Make sure everytime you fill up you give them a turn to keep them from freezing up again. the other option is to purchase some warn premiums and call it a day but they will be manual only. No more stay in the cab and have 4x4 at only the push of a button. [/QUOTE]
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Mark Kovalsky
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Power Strokes
7.3 Tech
2001 F350 esof 4x4 issues.
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