1993 Mustang Contents/Index
Group 12: CLIMATE CONTROL SYSTEM

Section 12-00:
Climate Control System—Service

BASIC PRINCIPLES

Heat Transfer

Latent Heat of Vaporization

Effect of Pressure on Boiling or Condensation

GENERAL INFORMATION

Safety Precautions

Service Precautions

DESCRIPTION AND OPERATION

Climate Control System—Service

Compressor and Magnetic Clutch Assemblies

6P148 Compressor

10P15C Compressor

High-Pressure Relief Valve

Condenser

Spring Lock Coupling

Fixed Orifice Tube

Evaporator Core

Suction Accumulator/Drier

Clutch Cycling Pressure Switch

Service Gauge Port Valves

Heating Systems and Control Doors

Heater Cores

DIAGNOSIS AND TESTING

Climate Control System—Service

Know the System

Know the History of the System

Know the Probability of Certain Conditions Developing

Don't Cure the Symptom and Leave the Cause

Be Sure the Cause is Found

Diagnosis Charts

System Visual Inspection

Refrigerant System Diagnostics

Diagnosing Low-Pressure Side

Blower Switch Continuity Test

Open Circuit Test

Plugged Heater Core Test

Heater Core Leak Test

Inspection

Pressure Test

Bench Test

Checking For Air Conditioning Leaks

Leak Tracer Dye

Evaporator Core and Condenser On-Vehicle Leak Test

Blower Motor Voltage Test

With A/C

With Heater Only

Blower Motor Current Draw Test

Vacuum System Tests

Airflow

Vacuum

A/C Clutch Circuit Diagnosis

Electrical

REFRIGERANT SYSTEM SERVICE

A/C System Check — Retail Procedure

A/C System Flushing

Refrigerant Recovery

Connecting the Manifold Gauge Set

System Discharging

System Evacuating

System Charging Set-Up

Spring Lock Coupling

To Disconnect Coupling

To Connect Coupling

Fixed Orifice Tube Replacement Kit Installation

Suction Accumulator/Drier Replacement Guidelines

Opposition to Charging From Small Containers

Refrigerant System Purging to Remove Moisture Vapor

Adding Refrigerant Oil

SPECIFICATIONS

Specifications

SPECIAL SERVICE TOOLS

Special Service Tools/Equipment