I have a 65 Chevy truck with 350 engine. New power steering pump and new belt but it squeals really loud for 1 to 2 minutes every time I start it. Pump fluid is at cold temp level. When I put pump on I turned steering wheel one side to the other to bleed air out. Any suggestions?
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Welcome to the site. Is the belt tight enough? What is the deflection on its longest run?– Pᴀᴜʟsᴛᴇʀ2 ♦Commented May 25, 2017 at 1:20
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1 Answer
What is your belt tension? Does the squeal happen after the system warms up, and you make turns requiring power assist?
I am inclined upon the information you provided to say that you have a belt undertension problem. How clean is the belt?
And answer @Paulster2's question on the belt deflection. You might push with 10 to 15# pressure when you check the deflection. If the long run is 12" your deflection should be under 1/2".
Is your belt manually tensioned, or is there a spring loaded belt tensioner?
One last thing...check your belt routing to assure that you have the belt properly sequenced over the pulleys.
