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ZZDaryl
ZZDaryl, Chevy Technician
Category: Chevy
Satisfied Customers: 12424
Experience:  28 year experience, Master Mechanic
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1988 chevy: power steering pump pulley..10 blazer..screw

Customer Question

trying to change power steering pump pulley on a 1988 chevy s-10 blazer is the allen screw right or left hand thread? tried using a little heat on it but still won,t break free.
Submitted: 6 years ago.
Category: Chevy
Expert:  ZZDaryl replied 6 years ago.
You are just trying to get the pulley off?
Customer: replied 6 years ago.
don,t see the accept button and still waiting for answer
Expert:  ZZDaryl replied 6 years ago.

I'm not sure of your question so are just trying to get the pulley off?

Customer: replied 6 years ago.
yes just trying to get the pulley off because it broke in half
Expert:  ZZDaryl replied 6 years ago.

That allen bolt you are talking about is actually part of the shaft of the power steering unit, the pulley is pressed on to that shaft. It requires a special tool to pull it off but if the pulley is broken you may not be able to pull it off. Pic below

graphic

ZZDaryl, Chevy Technician
Category: Chevy
Satisfied Customers: 12424
Experience: 28 year experience, Master Mechanic
ZZDaryl and 10 other Chevy Specialists are ready to help you
Customer: replied 6 years ago.
i picked up a puller when i bought the pulley and yes the collar is still there, the pulley split just to one side of the collar, when i read over the directions for the puller it said i had to use a threaded screw to install the new pulley thats why i was trying to take the allen screw out even in the picture it looked like that allen screw had to come out. will there be possibly any damage to the pump with trying to take out the allen screw?
Expert:  ZZDaryl replied 6 years ago.

There could be from the heat if you got the front seal to hot.

The threaded screw is just to install the new pulley and should fit right through the center of that allen hole and screw into the pump shaft.

Customer: replied 6 years ago.
well zzdaryl, i don't think i got it to hot i'll hope for the best. thanks for the info duane
Expert:  ZZDaryl replied 6 years ago.

Thank you

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