HVAC System - Manual - Escalade, Pickup, TAHOE & YUKON: Specifications

NOTE: This article applies to vehicles equipped with 5.0L, 5.7L, 6.5L & 7.4L engines. For vehicles equipped with 4.3L, 4.8L, 5.3L, 6.0L, 6.6L & 8.1L engines, see MANUAL A/C-HEATER SYSTEMS - SIERRA, SILVERADO, SUBURBAN, TAHOE & YUKON article.

SPECIFICATIONS

Application

Specification

Compressor Type

Harrison HT6 6-Cyl. Axial

Compressor Belt Tension

⁽¹⁾

Refrigerant (R-134a) Capacity

Front A/C Only

32 ozs.

Front & Rear A/C

56 ozs.

System Oil Capacity ⁽²⁾

Front A/C Only

8 ozs.

Front & Rear A/C

11 ozs.

System Operating Pressures ⁽³⁾

High Side

228 psi (16.0 kg/cm² )

Low Side

34 psi (2.4 kg/cm² )

⁽¹⁾	Belt tension is adjusted automatically by a spring-tensioned idler pulley. Belt adjustment is not required.

⁽²⁾	Use PAG refrigerant oil.

⁽³⁾	Specification is with ambient temperature at 70°F (21°C), relative humidity of 70 percent and engine speed at 1500 RPM.