What im driving,

[Jbhvnz]

1986 suburban, the list is exhaustive
400 horse small block, summit 202,160 heads, headers, msd, comp cam(268h)
4l80e trans/compushift computer (lots of work)
12 bolt posi( eaton new gear unit)
Derale trans cooler
4 row core alum rad
All new suspension w/ air bags in rear
Leather buckets
Sound deadner/ new carpet
Elect fans (3) on separate relays, 2 on condenser 1 on trans cooler
Dual batteries
A/c blows cold in rear, warm in front, suspect stuck expansion valve, anybody?

 

[Will L.]

Welcome. Sounds like a fun ride.
I responded on your other thread, but rear system working good means it is good. A plugged valve would keep it from working. Sounds to me like the front one is your issue.

 

[Jbhvnz]

Is there a specific orifice tube for 134a with rear air

 

[Jbhvnz]

Burb pics