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HVAC Service Specifications

HVAC SERVICE SPECIFICATIONS

Application

Specification

Compressor Type

Delphi V-7

Compressor Belt Tension

⁽¹⁾

System Oil Capacity ⁽²⁾

Total Capacity

9 ozs.

With Accumulator Replacement

⁽³⁾ 2 ozs.

With Compressor Replacement ⁽⁴⁾

⁽⁵⁾ 2 ozs.

With Condenser Replacement

⁽⁵⁾ 2 ozs.

With Evaporator Replacement

⁽⁵⁾ 2 ozs.

Refrigerant (R-134a) Capacity

1.75 lbs.

System Operating Pressures ⁽⁶⁾

Low Side

32-40 psi (2.25-2.8 kg/cm ² )

High Side

240-281 psi (16.9-19.8 kg/cm ² )

⁽¹⁾	Belt tension is adjusted by automatic belt tensioner.

⁽²⁾	Use PAG (Polyalkylene Glycol) Refrigerant Oil (GM P/N 12378526)

⁽³⁾	Add PAG oil equal to amount of oil drained from accumulator plus specified additional amount.

⁽⁴⁾	Compressor is shipped dry.

⁽⁵⁾	If more than specified amount of PAG oil was drained from a component, add equal amount drained.

⁽⁶⁾	With engine RPM at 1500, ambient temperature at 80-90°F (27-32°C) and relative humidity at 40 percent.