Toyota Tundra Service Manual > Refrigerant(for Hfc-134a(r134a)): Replacement
REPLACEMENT PROCEDURE 1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM (a) Start up the engine. (b) Turn the A/C switch ON. (c) Operate the cooler compressor with an engine speed of approximately 1000 rpm for 5 to 6 minutes to circulate the refrigerant and collect the compressor oil remaining in eac ...
