R12 or R134A?

ANYTHING TO DO WITH CHANGING THE AIR TEMP INSIDE YOUR VAN.

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6spd_monte
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R12 or R134A?

Post by 6spd_monte » Thu Jul 04, 2013 1:26 am

Who knows what year our vans started coming out of the factory with 134?
-James

1987 LT
249,000 miles

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Re: R12 or R134A?

Post by okie1 » Fri Jul 05, 2013 1:35 pm

Not sure, mine is a 94 and has r134a

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CaptSquid
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Re: R12 or R134A?

Post by CaptSquid » Tue Jul 16, 2013 1:50 pm

My 92 had R-12.

From the stealership, rumour mill has it that they are coming out with something better (colder) than R-134a. I'll believe that when I see it.
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92 Safari SLE w/Z Motor (sold to a good home)
98 AWD Stro LS
93 Suburban Silverado 4x4

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Re: R12 or R134A?

Post by ultravanman » Fri Jul 19, 2013 2:44 am

You can tell what you have by the access valve if it screws on its 12, if it pushs on its 134

6spd_monte
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Re: R12 or R134A?

Post by 6spd_monte » Fri Jul 19, 2013 7:12 am

My research agrees that they started using 134 in 1994 vans. I know mine is R12, I am researching possible upgrades to the system since I am planning to get the AC working again.

I'll keep you guys posted.
-James

1987 LT
249,000 miles

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Re: R12 or R134A?

Post by CaptSquid » Thu Sep 05, 2013 10:11 pm

Stick with the R12. 134a doesn't cut the mustard.
Mike, Billings, MT, 'MERICA!
92 Safari SLE w/Z Motor (sold to a good home)
98 AWD Stro LS
93 Suburban Silverado 4x4

Look for the MISSING Alien in the Right Seat. AL, PHONE HOME!!!

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6spd_monte
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Re: R12 or R134A?

Post by 6spd_monte » Fri Sep 06, 2013 2:55 pm

Yes, that's what I've been hearing as well.

My project is finished. The AC is working! I kept it R12, but I installed a condenser from a '94 van because I found they are more efficient. I also installed an electric pusher fan on the front of the condenser to help with airflow.
The air temperature out of the vents varies a lot depending on outside temperature, humidity and road speed. There have been days in the upper 90s with high humidity when I was stuck in heavy traffic that it could only manage 58 or 60 degrees, but I've also seen it blow down to 41 degrees when the ambient conditions are a bit better.

Overall, I'm pretty happy with it!
-James

1987 LT
249,000 miles

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