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ATC-108 < SERVICE INFORMATION > HEATER & COOLING UNIT ASSEMBLY HEATER & COOLING UNIT ASSEMBLY Removal and Installation INFOID:0000000001328211 REMOVAL 1. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. 2. Drain coolant from cooling system. Refer to CO-10, "Changing Engine Coolant" (VK45DE). 3. Remove cowl top cover. Refer to 4. Remove high-pressure pipe 2 mounting clip. 5. Remove low-pressure flexible hose bracket mounting bolt. Refer to ATC-128, "Removal and Installation of 6. Disconnect low-pressure pipe 1 and high-pressure pipe 2 from a. Set a disconnector [high-pressure side (SST: 9253089908), low- b. Slide a disconnector toward vehicle front until it clicks. c. Slide A/C piping toward vehicle front and disconnect it. CAUTION: Cap or wrap the joint of low-pressure pipe 1, 2 and high- 7. Remove electric throttle control actuator (VQ35DE). Refer to . 8. Disconnect two heater hoses from heater core. 9. Remove instrument panel and pad. Refer to . 10. Remove blower unit. Refer to . RJIA2037E RJIA2077E RJIA2041E |