Automotive Air Conditioning Information Forum (Archives)

samjesse on Wed February 02, 2011 1:14 AM

Year: 2005
Make: Toytoa
Model: Hilux
Engine Size: 3.0L
Refrigerant Type: R134
Ambient Temp: 40 C
Pressure Low: 35
Pressure High: 120
Country of Origin: Australia

Nice and cold for 2 min. or so, it is full of R134 as per spec., after 2 min. or so, it start blowing warm air. any idea what it could be? thx

mk378 on Wed February 02, 2011 2:03 AM

When it goes hot, pull over and pop the hood check if the compressor is still engaged. Also feel the line from the evaporator to the compressor. If it is still cold it's probably the heater starting to fight with the A/C as the engine warms up.