FixVault

A/C System Specifications

WARNING: This page is about a different variant/trim than selected.
NOTE: Due to late changes, always refer to underhood A/C specification label in engine compartment or A/C compressor label while servicing A/C system. If A/C specification label and information in this article differs, use specifications on the label.
REFRIGERANT OIL & R-134A REFRIGERANT CAPACITY

Application (1) Oil Ounces Refrigerant Ounces
General Motors (2)
"C" & "K" Series (3)
Pickup & Sierra 8.0 32.0
Crew Cab & Utility 8.0 36.0
Suburban, Tahoe & Yukon (3)
With Rear Unit 11.0 64.0
Without Rear Unit 8.0 36.0
"G" Series (3)
With Rear Unit 11.0 78.0
Without Rear Unit 8.0 48.0
"L" & "M" Series (3)
Without Rear Unit 8.0 32.0
With Rear Unit 11.0 48.0
"P" Series (4) 8.0 48.0
"S" & "T" Series (3)
4.3L 8.0 32.0
2.2L 9.0 32.0
"U" Series (3)
With Rear Unit 11.0 48.0
Without Rear Unit 8.0 36.0
(1) Total system capacity, unless otherwise noted.
(2) Series codes are determined by fifth character of the VIN code.
(3) Use PAG Oil (Part No. 12345923).
(4) Use PAG Oil (Part No. 12345923; Part No. 12346075 for 7.4L engines).