Replacing AC Hoses when converting to R134

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Jun 29, 2015 | 09:16 PM

mark79,80

Thread Starter

Melting Slicks

Joined: Oct 2000

Posts: 2,143

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From: Englewood FL

Replacing AC Hoses when converting to R134

When converting to R 134 on a 1980 Corvette should the compressor hose assembly be replaced? The existing hoses look to be in good condition and the car only has 24000 miles. Secondly, what is the best orifice tube to use?

Jun 29, 2015 | 10:01 PM

bruiser

Melting Slicks

Joined: Feb 2007

Posts: 2,709

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From: S.E. MI

St. Jude Donor '15

From what I've heard is that it is better to keep the old hoses because a new R-12 hose will leak with R-134. I use a Ford blue orifice tube.

Jun 29, 2015 | 11:27 PM

rebel542

Instructor

Joined: Nov 2008

Posts: 112

Likes: 8

I agree with bruiser. I used the original lines and a Ford blue orifice tube. 42 degrees out of the center vents on a 100 degree day with 134a.

Jun 30, 2015 | 07:48 AM

jnealg

Burning Brakes

Joined: Apr 2010

Posts: 1,018

Likes: 9

From: Winston Ga.

We use the white GM tube but if the blue one works for these guys it should be fine. the original hoses, if in good shape, will be fine. just check for bubbling or leaks when charged up.

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