Operation CHARM: Car repair manuals for everyone.

Checking Air Conditioning (A/C)






Checking air conditioning (A/C)

Checking the refrigerant
If the level of the refrigerant is low in the climate control system, the cooling performance on the right-hand side of the passenger compartment is compromised.
Carry out a performance test. See Climate system, performance test Climate System, Performance Test.
Remedy as necessary.

Note! Always disconnect the battery lead when working on the climate control system. See Battery, replacing Battery, Replacing.

Other information
- For visual and physical checks, see Visual and physical check Visual and Physical Check
- To fill with refrigerant, see Refrigerant, filling Refrigerant, Filling
- For vacuum pumping, see Vacuum pumping Vacuum Pumping
- To leak trace using an electronic leak tracer, see Leak tracing, electronic leak tracer Leak Tracing, Electronic Leak Tracer
- To leak trace using fluorescent tracing agent and an UV flashlight, see Leak tracing, fluorescent tracing agent / UV lamp Leak Tracing, Fluorescent Tracing Agent / UV Lamp
- To fill with fluorescent tracing agent, see Filling with fluorescent tracing agent with the refrigerant Filling With Fluorescent Tracing Agent With the Refrigerant.

Was a fault detected?

Yes - FAULT FOUND

No - No Fault Found

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