Dirtymilkman Posted February 1, 2014 Share Posted February 1, 2014 1996 E7 427. Driver instantly lost power steering. Full of oil, no leaks, no noise. Any suggestions? Quote Link to comment https://www.bigmacktrucks.com/topic/34494-sudden-power-steering-loss-help/ Share on other sites More sharing options...
alex g Posted February 1, 2014 Share Posted February 1, 2014 possible shaft broke on power steering pump? Quote Link to comment https://www.bigmacktrucks.com/topic/34494-sudden-power-steering-loss-help/#findComment-229927 Share on other sites More sharing options...
j hancock Posted February 1, 2014 Share Posted February 1, 2014 Wish I had an answer.Does it turn at all? Internal break, bad valve,...? Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/34494-sudden-power-steering-loss-help/#findComment-229929 Share on other sites More sharing options...
Dirtymilkman Posted February 1, 2014 Author Share Posted February 1, 2014 Wheels steer. Just no power Quote Link to comment https://www.bigmacktrucks.com/topic/34494-sudden-power-steering-loss-help/#findComment-229931 Share on other sites More sharing options...
MACKS Posted February 1, 2014 Share Posted February 1, 2014 possible shaft broke on power steering pump?Happened to my buddy last summer. Quote Link to comment https://www.bigmacktrucks.com/topic/34494-sudden-power-steering-loss-help/#findComment-229933 Share on other sites More sharing options...
1958 F.W.D. Posted February 1, 2014 Share Posted February 1, 2014 Shuttle valve may have stuck. Give it a few smacks with a dead blow hammer. Might free it up enough to get it home, then I would exchange it for a reman unit. Quote TWO STROKES ARE FOR GARDEN TOOLS Link to comment https://www.bigmacktrucks.com/topic/34494-sudden-power-steering-loss-help/#findComment-229936 Share on other sites More sharing options...
BAD DOG Posted February 2, 2014 Share Posted February 2, 2014 Yeah pump shafts do break. I got a box of old Vickers pumps for 866s in the treasures somewhere and I know a couple have twisted off shafts for all it takes to just pull the pump out of the accessory drive and check it I would check there first. If it was a valve in your steering box I would think it would probably be sticking first or have a tight spot not just go out completely. Check your pump first. Quote Link to comment https://www.bigmacktrucks.com/topic/34494-sudden-power-steering-loss-help/#findComment-229959 Share on other sites More sharing options...
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