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Home/GMC/Savana G2500/GMC Savana G2500 (1996-2013)/Repair manual/Automatic HVAC System/Heating, Ventilation and Air Conditioning: Specifications
Contents Wiring diagrams Section: Automatic HVAC System All sections

Heating, Ventilation and Air Conditioning: Specifications GMC Savana G2500

Automatic HVAC System ~209 words

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
A/C Compressor Pressure Relief Valve9 N.m80 lb in
A/C High Pressure Switch6 N.m53 lb in
A/C Low Pressure Switch4 N.m35 lb in
A/C Refrigerant Filter Nuts34 N.m25 lb ft
Accumulator Bracket Screw9 N.m80 lb in
Accumulator Tube Fitting41 N.m30 lb ft
Air Distribution Duct Screws2 N.m18 lb in
Air Outlet Duct Screws-All2 N.m18 lb in
Blower Motor Resistor Screws2 N.m18 lb in
Blower Motor Screws6 N.m53 lb in
Compressor Hose Assembly to Accumulator Nut16 N.m12 lb ft
Compressor Hose Assembly to Condenser Nut16 N.m12 lb ft
Compressor Hose Fitting Bolt35 N.m26 lb ft
Compressor Mounting Bolts50 N.m37 lb ft
Condenser Bracket Bolt to Radiator Support Bolts25 N.m18 lb ft
Condenser to Mounting Bracket Nut9 N.m80 lb in
Condenser Tube Clamp Nut9 N.m80 lb in
Evaporator and Blower Module Assembly Cover Screws6 N.m53 lb in
Evaporator and Blower Module Assembly Nuts6 N.m53 lb in
Evaporator Inlet Tube Bracket Bolt9 N.m80 lb in
Evaporator Inlet Tube to Evaporator Nut16 N.m12 lb ft
Evaporator Outlet Pipe to Evaporator Nut16 N.m12 lb ft
Heater Assembly Nuts6 N.m53 lb in
Heater Core Screws2 N.m18 lb in
I/P Retaining Screws4 N.m35 lb in
Windshield Defrost Duct Nuts4 N.m35 lb in
Windshield Defrost Duct Screws4 N.m35 lb in

Fastener Tightening Specifications

Refrigerant System Capacities

ApplicationSpecification
MetricEnglish
PAG Oil GM P/N 12378526 for United States PAG Oil GM P/N 88900060 for Canada
Accumulator Replacement*60 ml*2 oz*
The Denso service compressor is precharged with 240 ml (8oz) of PAG oil.
Accumulator Replacement60 ml 12 oz 1
*Add the same amount of PAG oil drained from the failed accumulator, plus the specified ammount.
Condenser Replacement30 ml 11 oz 1
Evaporator Replacement90 ml 13 oz 1
Evaporator, Rear Replacement90 ml 13 oz 1
Total System PAG Oil Capacity240 ml8 oz
Total System PAG Oil Capacity with Rear A/C330 ml11 oz
Refrigerant Charge0.91 kg2.0 lb
Refrigerant Charge with Rear A/C1.59 kg3.0 lb

Refrigerant System Capacities

The Heating, Ventilation and Air Conditioning (HVAC) system is divided into two separate sections. The first, Heating, Ventilation and Air Conditioning, has all procedures that pertain to a HVAC component or function that is not specifically associated with the manual control system. The second, HVAC Systems - Manual, has all procedures specific to the manual control system.

Begin the system diagnosis with the Symptoms - HVAC Systems - Manual in HVAC Systems - Manual.

Review the Description and Operation information to help you determine the correct symptom diagnostic procedure when a malfunction exists. Reviewing the Description and Operation information will also help you determine if the condition described by the customer is normal operation. The HVAC Description and Operation information is divided into

  1. «Air Delivery Description and Operation»(ref-186647-S10788847852005083000000) in HVAC Systems - Manual
  2. «Air Temperature Description and Operation»(ref-186647-S07761223012005083000000) in HVAC Systems - Manual

The Air Delivery Description and Operation contains the following topics

  1. HVAC Control Components
  2. Air Speed
  3. Auxiliary Air Speed
  4. Air Distribution
  5. Auxiliary Air Delivery
  6. Recirculation Operation

The Air temperature Description and Operation contains the following topics

  1. HVAC Control Components
  2. Heating and A/C Operation
  3. Auxiliary Heating
  4. Engine Coolant
  5. A/C Cycle

More articles — Heating, Ventilation and Air Conditioning