Hummer H1 Service Manual page 732

_____________________
®
SPECIFICATIONS
System refrigerant — R-134a
Compressor oil — PAG (polyalkaline glycol)
Refrigerant capacity — 3 lbs.2oz.
Compressor type — Harrison HT6
Ambient Temperature
F°
70
75
80
85
90
95
100
110
*Low and high side pressures are affected by relative humid-
ity. Greater humidity will cause higher pressures
05745159
Heating/Ventilation/Air Conditioning (HVAC)
A/C System Test Pressures
Low Side Pressure Range*
C° Psi
21 10-32
24 12-33
27 17-34
29 18-35
32 19-47
35 21-47
38 28-51
43 30-55
High Side Pressure Range*
kPa Psi
69-221 112-270
83-228 120-280
117-234 131-310
124-241 185-325
131-324 210-330
145-324 225-350
193-352 240-370
207-379 255-390
11-13
kPa
772-1861
827-1930
903-2137
1276-2172
1448-2275
1551-2413
1655-2551
1758-2689