Belt problem
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Elder User
Joined: Oct 2007
Posts: 620
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From: Ishpeming Mi.
Belt problem
Power steering pump pully doesn't align correctly with the rest of the system and has chewed up a new belt in 9,000 miles. so how do I adjust it to correct alignment? This is a truck I bought to fill in the gap while I deal w/ tranny problems on my B-4000.
91 F-150 4x4, no smog pump, removed at some other time/ place before I bought it used from prob the forth owner. While it's a 'beater' it's also all I have to get to work. Wife would love to ditch her old Chevy wagon and 'ride proud', but not yet.
Dang, but I miss my little Ranger.
I need 1/32" out on it, whle it doesn't seem like much, I assure you that it is.
91 F-150 4x4, no smog pump, removed at some other time/ place before I bought it used from prob the forth owner. While it's a 'beater' it's also all I have to get to work. Wife would love to ditch her old Chevy wagon and 'ride proud', but not yet.
Dang, but I miss my little Ranger.
I need 1/32" out on it, whle it doesn't seem like much, I assure you that it is.
Cargo Master
Joined: Sep 2007
Posts: 2,095
Likes: 2
From: Wahpeton ND
1/32" will not tear up a belt in 9000 miles. How do I know........I work in a factory that has tons of reaving and a alignment error of 1/32 is great on some of our equipment. At that level of misalgnment a loaded belt can run 24-7 for months and months on end.
A 91 F150 should have a serphentine belt setup. Why do you have a sepreate belt?
A 91 F150 should have a serphentine belt setup. Why do you have a sepreate belt?
Fleet Mechanic
Joined: Feb 2007
Posts: 1,326
Likes: 48
From: Middle TN
I would take the belt off and clean the pulley grooves with sandpaper to remove any rust or burrs that would wear the belt. My belt runs at least a 1/4" out of alignment without any problems.
Cranky Old Guy
Joined: Mar 2008
Posts: 3,562
Likes: 6
From: Raphine, Virginia
If you want to move it, go by a Autozone, Advance store etc. Most of them have the pulley puller/installer that you can borrow and return with a deposit. Only way to move them properly is that tool.
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Elder User
Joined: Oct 2007
Posts: 620
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From: Ishpeming Mi.
It's prob off about 1/8 inch which is enough to make it jump a grove, which in turn makes it grind on the outer edge of the pully. The engine has around 9,000mi. on it since it was rebuilt [before I bought it]. How the one pully could suddenly be off so far is a puzzle to me. I take it that the pully can simply backed out with no other adjustments necessary?
Cargo Master
Joined: Sep 2007
Posts: 2,095
Likes: 2
From: Wahpeton ND
I am not 100% on this but dosent the power steering pump have to be shimmed in order to change alignment? Usualy it is a fixed face pulley. If it has to go aft use some washers to move it as such. Forward shim the face of the flange and so on.
Cranky Old Guy
Joined: Mar 2008
Posts: 3,562
Likes: 6
From: Raphine, Virginia
Everyone I have worked on, the pulley is pressed on, and there is enough leeway to adjust it the amount he needs and more.
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Elder User
Joined: Oct 2007
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From: Ishpeming Mi.
Thanks for the feedback, I'll try pulling the pully out a bit and see if that works. I see no other way to do any adjustment.
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