Help with belts on 1985 S10 w/ 2.8 - S-10 Forum
 
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post #1 of 14 Old 07-25-2009, 03:13 AM Thread Starter
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Help with belts on 1985 S10 w/ 2.8

How do you change the a/c compressor belt on this truck? Do you have to take the belt off that runs the power steering pump? If so, how do you take this belt off? I don't see a way to loosen it off like you can with the alternator belt? I've included a diagram below and my engine set-up is on the left.
Thank you in advance!



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post #2 of 14 Old 07-26-2009, 11:15 AM Thread Starter
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Re: Help with belts on 1985 S10 w/ 2.8

has anyone done this before?

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post #3 of 14 Old 07-26-2009, 12:19 PM
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Re: Help with belts on 1985 S10 w/ 2.8

yes.

You need to take the belts off 1 at a time: p/s - alternator - a/c.

yes.

it is a PITA

yes.

have a buddy around to hold the damn pry bar so you can tigehten it back up.

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post #4 of 14 Old 07-26-2009, 05:03 PM Thread Starter
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Re: Help with belts on 1985 S10 w/ 2.8

Quote:
Originally Posted by Rebel_US View Post
yes.

You need to take the belts off 1 at a time: p/s - alternator - a/c.

yes.

it is a PITA

yes.

have a buddy around to hold the damn pry bar so you can tigehten it back up.

Thanks Rebel, but how do you get the p/s belt off? Do you have to take the pulley off?

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post #5 of 14 Old 07-26-2009, 05:09 PM
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Re: Help with belts on 1985 S10 w/ 2.8

any idea why there are 2 belts around the alternator?
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post #6 of 14 Old 07-26-2009, 06:44 PM Thread Starter
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Re: Help with belts on 1985 S10 w/ 2.8

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any idea why there are 2 belts around the alternator?
not really

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post #7 of 14 Old 07-26-2009, 09:37 PM
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Re: Help with belts on 1985 S10 w/ 2.8

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Originally Posted by bobditts View Post
any idea why there are 2 belts around the alternator?
One is for the air pump the other just runs the alt. to remove the p/s belt, loosen the pump bracket and slide it in.

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post #8 of 14 Old 07-26-2009, 10:04 PM
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Re: Help with belts on 1985 S10 w/ 2.8

unless Im looking at the pic wrong, one belt runs both the air pump and the alt while the other strictly runs the alt. Seems to me they could have done away with one of those. must be why my 2.8L (1986) only has 3 belts.
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post #9 of 14 Old 07-27-2009, 12:12 AM
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Re: Help with belts on 1985 S10 w/ 2.8

I only have two.

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post #10 of 14 Old 07-27-2009, 07:39 AM
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Re: Help with belts on 1985 S10 w/ 2.8

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I only have two.

well, thats all I have right now too - but only because I did the A/C delete
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post #11 of 14 Old 07-27-2009, 09:29 PM Thread Starter
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Re: Help with belts on 1985 S10 w/ 2.8

Thank you

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post #12 of 14 Old 07-27-2009, 10:15 PM
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Re: Help with belts on 1985 S10 w/ 2.8

all black 85 s-10

I wish i had a/c

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Rochester 2se carb
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post #13 of 14 Old 07-30-2009, 12:07 AM Thread Starter
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Re: Help with belts on 1985 S10 w/ 2.8

got it off, thanks for the help!

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post #14 of 14 Old 09-24-2015, 01:29 PM
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Re: Help with belts on 1985 S10 w/ 2.8

I've seen alot of diagrams for the serpentine belt setup. does anyone have the diagram for this setup.
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