Question about 1990 GMC Sierra

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Bypass power steering

How do i measure for the length of the shorter belt that i will need to use to be able to bypass the power steering pulley???

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  • tee_minou Jan 24, 2009

    thank you!!!!!

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The Easiest way to do this is to get Several Belts and try them. Most auto Parts Stores will let you bring the Others back after you find the Correct length Belt. This is Trial and Error and will take some work.

Posted on Jan 23, 2009

  • Travis Humphries
    Travis Humphries Jan 24, 2009

    No Problem! Happy to Help!

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How do I find a belt for 02 buick rendezvous bypassing the power steering pulley


If you can run the engine without that pulley, you would just measure the distance around the other pulleys without it.
But keep in mind, you almost always need all pulleys in use to make the belt turn the pulleys in the correct direction and not strike any other objects.

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Need to bypass power steering pulley


if you can there may be a shorter drive belt that can be fitted that just misses the pulley
I would take it to a power steering specialist shop as they may have such a belt

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No power steering pulley need to bypass it shorter belt what size do I use


sadly we would have no idea . doubt it will work well without the power steering tho

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Bypass air condition belt


If you are trying to bypass the compressor for the air conditioner then you need to ensure two things.

1. That there is some way to tension that belt if the compressor is bypassed.
2. you will need to find a shorter belt that has the same physical profile. Wrap a string around the pulleys that remain and measure the length. A shop should then be able to give you a belt that will fit. Take the old belt with you to ensure it has the right profile.

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How to bypass power sterring pump on 94 camaro v6


You may not be able to.

My best guess is to head to a NAPA or other auto part store and try to find an engine like yours that came without ps.

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What size belt do i use if i remove the A/C compresser


There is a company which makes a bracket with another idler pulley on it for replace the A/c compressor. I believe it costs between $60 and $90 Dollars. Problem with replacing the belt with a smaller, shorter belt by eliminating a pulley is the RPM of the Alternator and the Power steering pump.

To make an explanation, if 1 loop of the original belt turns the Alternator once every 8 inches, then a 48 inch belt will turn the Alternator 6 times a cycle. A shorter belt will make more cycles around the crankshaft pulley, the Alternator and so forth.

This will increase wear. The Fan blade will spin faster and you can get less assist from Power steering if it is speed sensitive. Power steering may or may not be better at Parking and will surely flatten out more quickly at higher speeds resulting in high steering effort.

Without the conversion pulley, the Geometry for the spring loaded idler pulley may not keep enough tension on the shorter belt for proper tension.

But to measure for eliminating the pulley, just slip off the old belt and get a string with a loop on 1 end. Press down on the spring-loaded idler pulley and place the string around each pulley and then pull the end of the string through the loop until it is snug. Pinch off the position with your finger to where it seems that the tensioner is applying tension with more tension possible for a stretched belt.

Temporarily slide the end of the string off, secure a removeable knot, and then let the string handle some of the tension in the idler. Basically you are making a template for the correct belt length. If all looks well, the string can be fit on a belt sizer or just measure it. Remember the buy a belt with the same number of grooves.

Another thing to remember is the car will still try to adjust the engine idle for the A/C, sometimes even in the Defrost function, because that is how they are made. So you may have idling problems without the A/c.

I hope my solution has helped you.

Sep 30, 2012 | 1997 Lincoln Town Car

1 Answer

Can I bypass the A/c pump?


most veh's you can but it depends on the position of the tensioner pulley (if it has one) if it does'nt have a tensioner pulley,and it's tightened by the alternator then should'nt have a problem take a piece of string and run around the other pulleys and measure it to get the aproximate length you would need.

Sep 07, 2012 | 1996 Mercury Grand Marquis

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I currently own a V6 3.0 L Mercury Sable LS. The AC pulley has stopped working entirely as the ac clutch has ground it into the compressor. I need to know the length of a serpintine belt with no ac. I...


Talk to your automotive supply. My understanding is that a Non-AC belt will run right thru the area where the AC pulley is. You can get a bypass pulley that will allow you to avoid the AC and it's pulley and a specific belt for that setup.

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How to bypass the ac with a shoter belt


There is a easy way to re-route the belt after the A/C is removed on any 4.6L Due to the idler and tensioner. When the a/c is not running the pulley spins freely anyway. On 99 and older panthers you can get a shorter belt to bypass the power steering for a little extra power, but need install A/C COMPRESSOR BYPASS PULLEY, or you could buy a a/c compressor delete kit comes with a bracket and idler pulley, that would make things easier, you can use a stock belt with that kit.

Check this for 99' and older belt routing...

zjlimited_249.jpg

Also, check this diagram (click over pic for zoom)...

zjlimited_250.jpg

The tensioner would still work, just not very well. So you would need to by a tight belt to compensate. As far as measuring the new belt size, you will need to use a tape measure, or some string and then measure the length. The best option is an a/c delete 'kit'

Green line represents a revised belt routing in order to *bypass* the A/C compressor. With this method, the tensioner WILL work but VERY limited - you must purchase a tight belt.

Note this is only applicable for the '93-'99 belt routing

Hope helps (remember to rate and comment this answer).

Dec 15, 2010 | 1999 Mercury Grand Marquis

1 Answer

What size of belt can I use on a ford Windstar 2000 3.8L if i want to bypass the a/c compressor.


You may have a problem finding that info out, but an easy way to do it if you can see and reach it, is to make a mark with chalk on the power steering pulley, as well as crankshaft pulley, then run a string or similar from the mark on power steering pulley, around AC compressor pulley, and down to mark on crankshaft, then measure that distance. Now run same string from power steering pulley mark, directly to crankshaft pulley mark, (by-passing AC pulley), and measure that as well. Subtract by-passed length from, non by-passed, will give you the difference in length. Now when you go to parts store for new belt, they can give you a belt that is that much shorter than original one listed. The actual belt part # usually tells the length in it. Just subtract your difference from original, and ask for that length, same design. Sounds pretty complicated, I know, but it really isn't. You used to be able to just say" give me the one for the same vehicle without AC", but most vehicles have AC now, so it isn't quite that easy anymore. Make sure you take a good look and be sure you have the clearance so belt doesn't hit/rub on AC pulley during operation.

Dec 05, 2009 | 2000 Ford Windstar

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