Tags

a/c conversion

Need A/C help

Need help with what parts I need for the conversation on the A/C system. I've included a photo of parts list but want to see what im missing or extra steps I should take. Is replacing the A/C evaporator necessary. 5.7 C/1500 1991
- GilberthS
- Thread
- Jul 12, 2026
- a/c conversion need help
- Replies: 14
- Forum: General GMT400 Discussions
Best AC Compressor & Kit for '92

Hi, new guy here :wave: Just bought a 92 GMC ECSB with a busted AC Compressor. Clutch won't engage. Lord only knows the state of the rest of the system is in, so I'm just committing to a system swap. I've done some digging but need some advice from the much more knowledgeable here. What...
- PlantCodeOne
- Thread
- Jul 30, 2025
- 1992 a/c a/c compressor a/c conversion gmc k1500
- Replies: 4
- Forum: Electronics
M
R134a retrofit

Hi, I’m a second time owner of a gmt400 but the last one didn’t last too long before the frame cracked. I have an 88 rclb and am in dire need of some a/c. I want to retrofit it to r134a as the shop I work at has a machine for it. I found a kit on rock auto that comes with everything but the...
- Mitchell92
- Thread
- Jun 22, 2024
- a/c conversion r134a
- Replies: 3
- Forum: Feedback, Help and Suggestions
A/C Compressor Oil Spatter

I'm looking for advice on what to do with an A/C compressor that is spraying a fine mist of oil, so fine it resembles dried black paint blown out of a straw. I inherited my Dad's 1990 GMC 1500 4x4 with a 5.7 last September. It only has 45,000 miles on it (even with the 3,000 mile trip from...
- Gary Mettus
- Thread
- Jun 21, 2019
- a/c compressor a/c conversion r12
- Replies: 6
- Forum: Engine Performance + Maintenance