Join Date: May 2001
Location: Burlington, KY
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Re: A/C noise, rattle pinging sound
My '94 has 134a. At least thats what it says on the part by the firewall.
I don't know if it something that got changed mid year or not. I do know that mine was one of the last made that year
94 Z71 350, Xcab, Sportside, 285/75/16 BFG AT, 16x8 AR Nitro, K&N, MSD coil & wires, Trailmaster 4" lift.
Lousy glasspacks and rusted Westin step bars [img]/wwwthreads_images/icons/frown.gif[/img]