Thread: 55.2-59 Power Steering issues
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Old 03-10-2019, 02:36 AM   #27
mr48chev
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Join Date: Jul 2007
Location: Toppenish, WA
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Re: Power Steering issues

The pumps theselves are all pretty much the same inside and outside. it is the canisters Pulleys and pressure valves that are different.

That housing matches the one that was on my 71 GMC before I switched to the Cad 500 and the actual pump minus canister, pulley and pressure valve fit all of these.
AMERICAN MOTORS 1968-1974
BUICK 1961-1974
CADILLAC 1968-1974
CHEVROLET 1961-1974
CHRYSLER 1969-1974
DODGE 1963-1974
FORD 1972-1974
GMC 1966-1974
INTERNATIONAL 1972-1974
JAGUAR 1972-1979
JEEP 1972-1974
LINCOLN 1972-1974
MERCURY 1973-1974
OLDSMOBILE 1961-1974
PLYMOUTH 1965-1975
PONTIAC 1967-1974

I'm thinking that in 1975 they went to the pressed on pulley rather then the one that was held on with a nut and a key. Checking on the one for the 75 Cad 500 in my 75 that is correct, the 75's outside of Plymouth used a pump with a pressed on pulley.
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My ongoing truck projects:
48 Chev 3100 that will run a 292 Six.
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77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.
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