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-   -   How - To: A/C Delete Bypass Pulley (http://www.grandamgt.com/forum/showthread.php?t=64639)

H.O. Driver 10-28-2006 01:08 AM

How - To: A/C Delete Bypass Pulley
 
4 Attachment(s)
This was a fun project, after tracking down the right pulley and belt, it only took an hour to get it apart, up and running. The correct belt size is a Gatorback Part #4060610 or 6PK1550. The correct pulley you need is a ribbed Compressor Works Pulley Part # 45971.
http://www.grandamgt.com/forum/attac...1&d=1162137496

1. Remove any A/C lines that you want, and remove the 3 bolts holding the A/C compressor. Loosen the belt via the tensioner and follow the How-To guide for the belt removal process.

2. Once the belt and compressor are gone. Remove the lower Idler pulley and hang on to the bolt that holds the pulley in, this will be reused on the new ribbed compressor works pulley.
http://www.grandamgt.com/forum/attac...9&d=1162137625
http://www.grandamgt.com/forum/attac...0&d=1162137704
http://www.grandamgt.com/forum/attac...1&d=1162137763
http://www.grandamgt.com/forum/attac...7&d=1162013343

3. Install new pulley reusing the old bolt in place of the old lower idler pulley.
http://www.grandamgt.com/forum/attac...1&d=1162015275

4. Install new belt with the ribbed side touching the new ribbed pulley before it runs under the crank pulley.
http://www.grandamgt.com/forum/attac...1&d=1162015361
http://www.grandamgt.com/forum/attac...1&d=1162015555

5. Reinstall everything you moved to get the new belt on and seccure any lines or hoses left from the A/C plumbing. Make sure you properly torqued the bolts and then you are complete. As you can see the belt is much shorter than the stock belt,
http://www.grandamgt.com/forum/attac...1&d=1162015275

I let it idle for over a half hour at operating temprature and it never went over 200* It makes plenty of connact with the waterpump pulley to keep it spining.

Rand, if I missed anything or if you want to add anything, go for it. If you want to host the pics, thats cool with me too.

ihatemygrandamg 10-28-2006 11:51 AM

Any results at all? I know its not much but Im sure that compressor is pretty heavy.

Gizm0815 10-28-2006 12:16 PM

ive got red x's for the 1st four pics

H.O. Driver 10-28-2006 02:10 PM

4 Attachment(s)
Quote:

Originally Posted by ihatemygrandamg
Any results at all? I know its not much but Im sure that compressor is pretty heavy.

The compressor weighs a lot, ~25lbs, with bolts and hoses. I am going to have to put it on a scale and see how much it really is. I will have to hit a track up in the spring and see what results of it. It could just be me, but it seems to rev a little faster now. Engine temp is slightly cooler for some reason, could just be the stupid cold weather right now.

Quote:

Originally Posted by Gizm0815
ive got red x's for the 1st four pics

try right clicking and show picture, all the pics are uploaded to the website here as attachments, so there is no reason for them to not show, so I am not sure of that.

coupe 10-30-2006 01:13 PM

Nice work buddy!!
Looks like you have everything covered nicely.
I think i now have a project for this weekend :)

My compressor clutch has finaly pooped. It rattles no matter what now. Before i could leave the a/c on and it wouldnt rattle at all. Then after awhile it would only rattle once in awhile with the a/c on. Now it rattles 100% of the time, sounds like ass.

ihatemygrandamg 10-30-2006 01:52 PM

I might have to look into once Im done my gasket change and all. I hardly ever use my ac even in summer

ihatemygrandamg 11-09-2006 12:20 AM

Hey Im not sure what size belt I would need, cause I have an ffp ud pulley. The one I have is just 1" shorter, is there any way someone could find me a part number for a gatorback?

And this may sound dumb, but did you get all the parts at a local parts store? What was the cost about?

Thanks

coupe 11-09-2006 06:04 AM

Far as the belt goes just use a piece of string and measure your pulley system. Then measure the string. Then go to a parts store and check out all their belts.

Try all the stores if ya have to. Im sure Napa and Carquest would have what you need. If they dont then try autozone, advance auto or pepboys. Or you could search online and order off line.

billytheman1188 11-09-2006 09:22 AM

NICE:applause:

H.O. Driver 11-09-2006 09:53 AM

Quote:

Originally Posted by ihatemygrandamg
Hey Im not sure what size belt I would need, cause I have an ffp ud pulley. The one I have is just 1" shorter, is there any way someone could find me a part number for a gatorback?

And this may sound dumb, but did you get all the parts at a local parts store? What was the cost about?

Thanks

A local Autozone should have them all. The pulley and Belt runs about $40, so its not too bad. If you go in there with the part number listed up there, they should be able to cross reference a part number of a shorter one. Once you get down that small it runs .5" shorter per part number. The 1st Autozone I went to in GR had one that was 1" shorter than I needed, so it should be a common part number.

ihatemygrandamg 11-09-2006 10:31 AM

Oh ok thanks. Most part places around me dont really carry much but I know that they can order it in. Ill prolly go take a look today cause Im gonna go get some seafoam today.

Coupe you look into doing this yet?

coupe 11-09-2006 11:43 AM

Yup, just havent gotten off my ass to do it yet.
My GA is in storage now and i have the next 4-5 months to get it done.

ihatemygrandamg 11-09-2006 01:43 PM

Damn wish I could store mine away. With 131k shes just gonna keep racking up the miles :(

But I take pride in having an old pos grand am that still runs 14's :)

ihatemygrandamg 11-09-2006 05:18 PM

I was on napa auto parts and put in the part number for the pulley. A few came up which appear to be the same just with dif descriptions. Can someone verify if any of these are the right pulley? They are 6 ribbed and appear to be about the right size, just maybe not made by the same company.

http://www.napaonline.com/MasterPage...MPartNum=45971

Thanks and sorry for the dumb question

coupe 11-10-2006 06:14 AM

Im pretty sure this is the one you need:
http://www.napaonline.com/MasterPage...t+Idler+Pulley

This one sure looks cool:
http://www.napaonline.com/MasterPage...t+Idler+Pulley

ihatemygrandamg 11-10-2006 07:57 AM

Yea thats what I thought. They all look pretty similiar but just wasnt sure lol

Im gonna go ahead and try to get this done and also get a 62mm tb before the end of this month when my local track closes.

ihatemygrandamg 11-28-2006 10:04 PM

Can someone help me out with a part number for a 60" gatorback? Would it be 4060600, since a 61" is 4060610?

I went to autozone and the idiots down there dont know what they are doing. Plus some weird Jamaican guy was confusing the hell out of and I couldnt understand what he was saying.

ihatemygrandamg 11-29-2006 05:26 PM

Well i just bypassed my ac and got a new belt. The old belt was squealing,and found it had ribs ripped off in places. I still have the compressor on the engine cause I ran out of time but Ill take that out tomorow.

It felt a bit stronger,but thats also cause I just put in my 65mm tb and ported uim not long ago and havnt really tested those out. My car does run a bit cooler though.

coupe 12-11-2006 05:11 PM

Just got these today!!!
Different brands but same size....i think lol
$16.99 each.
http://i34.photobucket.com/albums/d1...1/100_6013.jpg

http://i34.photobucket.com/albums/d1...1/100_6014.jpg

ihatemygrandamg 12-11-2006 10:45 PM

Haha, I still have to take the a/c cmpressor out, but its soo cold and Im really lazy haha; its just chilling there.

But anyways I did mine just in time cause my belt was torn up and coulda snapped soon. Got me a 60" gatorback,was only like $13


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