A/C System Performance

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2001 Oldsmobile Bravada, 2001 GMC Sonoma, 2001 GMC Jimmy, 2001 Chevrolet S10 Pickup, and 2001 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

Park vehicle out of direct sunlight. Open windows or door to ventilate interior. Vent engine exhaust, if necessary. Install manifold gauge set. Note ambient temperature and humidity.
Close all windows and doors. Place mode selector lever in MAX A/C position, blower switch in high speed position, and temperature control knob in full cold position.
Insert thermometer into right center vent. Place transmission in Park or Neutral. Start engine and allow it to run at 1500 RPM until thermometer reaches lowest temperature (approximately 3 minutes). See A/C SYSTEM SPECIFICATIONS table.

A/C SYSTEM SPECIFICATIONS

Ambient Temp. °F (°C) ⁽¹⁾

Low-Side Pressure psi (kg/cm² )

High-Side Pressure psi (kg/cm² )

Air Outlet Temp. °F (°C)

80 (27)

27-33 (1.9-.2.3)

160-228 (11-15)

50-51 (10-11)

90 (32)

35-41 (2.5-2.9)

200-280 (14-19)

56-59 (13-15)

100 (37)

41-49 (2.9-3.4)

245-285 (17-20)

64-66 (18-19)

110 (43)

44-52 (3.0-3.7)

260-300 (18-21)

67-75 (19-23)

⁽¹⁾	Specifications are with relative humidity at 40 percent and engine speed at 1500 RPM.