Toyota Prius 2010 Repair Manual page 271

89. CONNECT INLET HEATER WATER HOSE
90. CONNECT AIR CONDITIONING TUBE AND ACCESSORY ASSEMBLY
(a) Remove the attached vinyl tape from the pipe.
(b) Sufficiently apply compressor oil to a new O-ring and the fitting surface of the air conditioning tube and
accessory assembly.
Compressor oil:
ND-OIL 11 or equivalent
(c) Install the O-ring on the air conditioning tube and accessory assembly.
NOTICE:
Keep the O-ring and O-ring fitting surfaces clean from dirt or any foreign objects.
2010 Toyota Prius
outlet heater water hose.
(a) Using pliers, grip the claws of the clip and slide the clip to connect the
inlet heater water hose.
Repair Manual