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| | | | Joined: Nov 2002 Posts: 21 New Guy | | New Guy Joined: Nov 2002 Posts: 21 | I have a power steering conversion on my 57 3100. Toyota steering box with a GM pump. Worked fine this winter, and then a week ago it started spraying fluid out of the cap. Runs fine for a while, then all of the sudden I get a large whine and fluid spraying from the cap. I have rebuild the pump, and checked all the fittings. Seems to happen quicker when it is warmer....I have also replaced the cap. Next step was to try a new pump, but before I spend the bucks thought I would see what you all think. Appreciate your thoughts!!!
Thanks, Mike | | | | | Joined: Jul 2004 Posts: 5,708 'Bolter | | 'Bolter Joined: Jul 2004 Posts: 5,708 | Mike,
Are either of your hoses twisted or crimped, especially the return hose to the pump? The return hose should feel firm, not soft and gummy to the touch
Stuart | | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | I put power steering on a 60 panel one time & had that problem. Finally when I changed pumps it was fine. Those pumps are plentiful used & usually work good.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | | | | Joined: Nov 2002 Posts: 21 New Guy | | New Guy Joined: Nov 2002 Posts: 21 | Checked the hoses today and found the return hose fitting on the steering box was crimped. Installed a new fitting and tried it out this evening. No leaks, but he pump made some really loud groaning sounds!! If it keeps up I'll try a new pump next!!
Thanks for the responses!!! | | | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | Before you try a new pump, ake sure that the system is fully purged of air first. Groaning is anindication of air in the system. I may take a few tries of cycling the steering lock to lock, then chacking the fluid level, to get all of the air out. use caution not to cavitate the fluid.
Bill Burmeister
| | | | | Joined: Apr 2005 Posts: 2,097 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,097 | Another thing that you might check. The Toyota box needs 900 PSI to operate correctly. The late GM pumps put out about 1300 PSI. If you get a new pump it will likely be set up for the higher pressure also.
I usually install 3 spacer washers in the pump control valve to obtain the correct pressure.
Fred
1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine
| | | | | Joined: Nov 2002 Posts: 21 New Guy | | New Guy Joined: Nov 2002 Posts: 21 | Thanks for all the feedback!!! I ended up getting a new return hose fitting for the steering box and then purged the air as recommended above. So far it is working well!! I watch the pressure as you suggest Shopshark! Didn't realize there was that much difference in pressure. When you say you put three spacer washers in the pump control valve, how would I do that? Do they just go between the housing and the control valve, moving it out farther?
Thanks again!! | | | | | Joined: Apr 2008 Posts: 9 New Guy | | New Guy Joined: Apr 2008 Posts: 9 | is it still working right ??? | | |
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