post #1 of Old 06-03-2011, 10:11 PM Thread Starter
mylightsrsquare
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1988 YJ Wrangler 
 
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pulley to delete a/c compresser

i did search it but cant really find a specific answer-

i want to take out the a/c compressor in my 4.2 because i dont have a/c and the compressor is useless ( i am not interested in the OBA system yet so i will keep the compressor untill i have time and money to go that route)

so does anyone know the part number or anything for the pulley ide need?

thank you


1988 yj. 4.2l with a Weber and an ax15 swapped in
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post #2 of Old 06-03-2011, 11:19 PM
Jax89Jeeper
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I removed my AC and could not find an idler to go in its place... I simply installed a shorter belt which crosses directly under the thermostat housing from the power steering pulley to the alternator pulley. The belt is a Dayco 5060755, it is a 75.5" belt. I tried a 75 which was way too tight and a 76 which was way to loose in the process. It is just short enough to pull tension with the alternator. I have had no problems at all with this setup but if you wanted to order a custom length belt, 75.25" would be perfect.
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post #3 of Old 06-04-2011, 10:53 AM Thread Starter
mylightsrsquare
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oo nice, th belt doesnt hit the thermostat housing? to me it looks like it might

1988 yj. 4.2l with a Weber and an ax15 swapped in
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post #4 of Old 06-04-2011, 11:34 AM
Jax89Jeeper
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Nope... There is about a quarter to a half inch clearance, so it is tight, but it does clear. If there is ever a problem, I will resume the hunt for an AC delete pulley, or fab my own. But its working great so far.
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post #5 of Old 06-04-2011, 02:06 PM Thread Starter
mylightsrsquare
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thanks for the help, ill look into it soon. the only thing is i just put a new belt on a month ago =/

1988 yj. 4.2l with a Weber and an ax15 swapped in
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post #6 of Old 06-04-2011, 07:55 PM
timatoe
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I don't have a part number, but here's how it looks in stock form with no a/c. Disregard the red arrow in the first pic, it was used to point out something else at one time.





I'm sure if you give someone like J&W Jeeps a call they'll be able to get you the idler assembly if you want.

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post #7 of Old 06-04-2011, 08:33 PM
1998zj
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The compressor does exactly what that replacement bracket does. The compressor doesn't run unless you get 12 volts to the clutch. Unless you are wanting to sell the thing I would leave it on there.

"Our lady of blessed acceleration don't fail me now"
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post #8 of Old 06-04-2011, 09:23 PM Thread Starter
mylightsrsquare
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thanks for the pics and info, one of the main reasons i want to take it out is to get it out of the way for the 1st spark plug

1988 yj. 4.2l with a Weber and an ax15 swapped in
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post #9 of Old 06-04-2011, 09:24 PM
Old4X
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Quote:
Originally Posted by 1998zj View Post
The compressor does exactly what that replacement bracket does. The compressor doesn't run unless you get 12 volts to the clutch. Unless you are wanting to sell the thing I would leave it on there.

If the pulley bearing on the compressor pulley is in good shape, you are correct. But the pulley bearing usually goes out before the compressor, and they are noisy as all get out as they slowly fail over a 6 month period.

418 miles on 19 gallons of gas. Can't beat the BBD !
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post #10 of Old 06-04-2011, 10:13 PM Thread Starter
mylightsrsquare
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one of the p.o.'s replaced mine and it still looks new but i dont know why considering
there was never a/c in the jeep

1988 yj. 4.2l with a Weber and an ax15 swapped in
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post #11 of Old 06-04-2011, 11:24 PM
Peter Nuss
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You can use the A/C compressor as an air compressor also. Nice to pump up tires etc. Just need to adapt a couple of parts.
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post #12 of Old 06-05-2011, 01:40 PM
JWELK
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I have not bought it yet, but Morris 4x4 center lists one #34237 for $44.95.
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post #13 of Old 06-05-2011, 07:44 PM Thread Starter
mylightsrsquare
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Quote:
Originally Posted by JWELK View Post
I have not bought it yet, but Morris 4x4 center lists one #34237 for $44.95.
Regards,
Jim W
i found it but i dont think it will fit the 4.2, it says it fits 1997-2002 Wranger TJ 2.5, 4.0
1996-2000 Cherokee XJ 2.5, 4.0


i think when the time comes i will jusr try the 72.5 inch belt idea

thanks for all the help

1988 yj. 4.2l with a Weber and an ax15 swapped in
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