LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Does a/c delete need tune w/ obd2?

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Old 02-23-2005, 07:57 PM
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Does a/c delete need tune w/ obd2?

I have a 97 z28 with obd2. I was wondering whether or not it will need to get a tune if i get rid of the a/c system. I dont want it to throw codes.

Also, i think i know what im doing but does anyone have a link to an a/c delete guide?

Btw, does anyone know the cheapest way to bypass the system belt wise? I see the pulley goin for 50+$ and it just doesnt seem worth it. Is there any cheaper way?
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Old 02-24-2005, 09:53 PM
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Re: Does a/c delete need tune w/ obd2?

Can i bump this one up? Kinda need to know.
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Old 02-26-2005, 05:18 AM
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Re: Does a/c delete need tune w/ obd2?

It doesn't throw a code. Get the 1LE pulley and be done with it.
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Old 02-26-2005, 08:30 AM
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Re: Does a/c delete need tune w/ obd2?

I can't see what would be easier/cheaper than putting on a pulley in place of the compressor. The pulley is only $37 wholesale, brand new.
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Old 02-26-2005, 01:40 PM
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Re: Does a/c delete need tune w/ obd2?

I did the A/C Delete on my 94. The removal didn't throw a SES light, however it did have a trouble code stored in the memory. I forget which one it was though.
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Old 12-13-2005, 10:04 AM
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Re: Does a/c delete need tune w/ obd2?

I got error/DTC 66 air conditioning short? It's on my 94 OBDI. Sorry for bringing up an old thread but maybe it'll explain my draining battery. Hmmm
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Old 12-13-2005, 03:25 PM
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Re: Does a/c delete need tune w/ obd2?

OBD2 does have several DTCs for the A/C system. After all, refrigerant is damaging to the environment so it would make sense for them to regulate yet another thing on modern day vehicles. I had my A/C codes "disabled" when I had my mail-order tune done by www.madz28.com last summer in anticipation for gutting out my A/C system this upcoming spring.
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Old 12-13-2005, 05:37 PM
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Re: Does a/c delete need tune w/ obd2?

This probably a silly question, what major retailer has them? Ive been through the ones on my favorites list and cant seem to find it.
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Old 12-14-2005, 01:30 AM
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Re: Does a/c delete need tune w/ obd2?

Originally Posted by Evil Eric
This probably a silly question, what major retailer has them? Ive been through the ones on my favorites list and cant seem to find it.
Did you try www.gmpartsdirect.com ?
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Old 12-14-2005, 11:42 AM
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Re: Does a/c delete need tune w/ obd2?

No, I guess my mind wasnt workin right last night. Thanks for the link 2000GTP
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Old 12-14-2005, 02:31 PM
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Re: Does a/c delete need tune w/ obd2?

Originally Posted by Evil Eric
No, I guess my mind wasnt workin right last night. Thanks for the link 2000GTP
No problem, also another thought, check the Parts for Sale forum as well. I purchased my 1LE pulley for 30.00 shipped off of one guy and he even threw in the belt as well.
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