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Old 12-01-2003, 10:48 PM
Larry D's Avatar
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Question Power Steering Hose Connections

Hello,
I have a 72 Chevy Cheyenne 1/2 ton I am restoring (350 w/ TH400). The flare fitting on the power steering return line to the steering gear won't seal. I have a brand new OEM line with good threads. When the tubing nut is tightened all the way down to the last thread, there is still an 1/8" of play in the steel tube...the flare does not seat. From what I can view of the connection in the steering gear, it doesn't appear to have a flare fitting seat...it looks more like an o-ring seat. Does anybody know if some of the later model steering gears (73-78 or later) used an o-ring seal on the power steering hoses? The previous owner had many later model parts on this truck and I'm wondering if this may be a later model steering gear. There are a couple of casting numbers on the gear; 7802644 & 5686815. Any way to reference those to determine what years this gear was used in? Any other thoughts? The Chevy dealers had no info on this.
Thanks for your help.

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Old 12-01-2003, 11:31 PM
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i can tell ya that my 84 burb has an O-ring style fitting going into the steering box
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Old 12-02-2003, 07:00 AM
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I had the same problem with my 79 k-2500.
It has identifiable parts from 1968 through 1985.
The power steering gear on mine is an older style than everything else I have had a chance to work on until this truck came along, You may find that there should be a flare where the threaded nipple fitting rides against, then a short straight sectionabout an inch long. with a different style seal than the later fittings have. I MADE mine work as the stock fitting broke off at the nipple with the previous owners negligence.
Looking at the fittings side-by-side you cannot mistake the difference.
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Old 12-02-2003, 07:06 AM
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and if i'm not mistaken you can get an adaptor to go from o-ring ro flare type fitting.............joe
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