87 Chevy truck issues

Post by **Tim** » Thu May 26, 2016 4:45 pm

Depends on your R12 service port size. These attach to the R12 port and has a R134a Service port to convert.

http://www.ackits.com/r134a-retrofit-sw ... rch=mt4047

http://www.ackits.com/index.php?route=p ... rch=mt4028

jeepsj · Post by **jeepsj** » Sat May 28, 2016 11:00 pm

Thanks Tim. Does the system need to be empty to install one of those?

Post by **Tim** » Sun May 29, 2016 7:37 pm

jeepsj wrote:Thanks Tim. Does the system need to be empty to install one of those?

Yes, valve cores need to be removed.