Leak Detection

Identifying the exact location of A/C refrigerant leaks must be done with great care and can sometimes be difficult.

1) Ensure that at least 1 lb (450 g) of A/C refrigerant is in the system.

2) Install a gauge set and operate the A/C system to obtain normal system pressures.
(Low: 21 - 28 psi, Hi: 206 - 213 psi)

3) Stop engine and allow low side pressure to peak.

4) Always use a proper gas leak detector for the refrigerant you are working with.

A) Do not use propane type testers

B) Always allow full warm-up of electronic type testers

C) Calibrate instrument according to manufacturer's instructions

D) Do not get probe wet or oily, etc.

5) Inspect the A/C system according to the following A/C system inspection procedures.

NOTE:
BEFORE PERFORMING ANY REPAIRS, CONNECT AND USE THE REFRIGERANT RECOVERY MACHINE.