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A/C UNIT REMOVAL/INSTALLATION

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2016 – MX-5 – HVAC

A/C UNIT REMOVAL/INSTALLATION

WARNING:

1. Open the convertible top.

2. Disconnect the negative battery cable and wait for 1 min or more. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.)

3. Discharge the refrigerant from the system. (See REFRIGERANT RECOVERY.) (See REFRIGERANT CHARGING.)

4. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT [SKYACTIV-G 2.0].)

5. Remove the following parts:

a. Selector lever knob (AT) (See AUTOMATIC TRANSMISSION SHIFT MECHANISM REMOVAL/INSTALLATION.)

b. Shift lever knob (MT)

c. Shift panel component (See SHIFT PANEL REMOVAL/INSTALLATION.)

d. Upper panel (See UPPER PANEL REMOVAL/INSTALLATION.)

e. Parking brake lever boot panel (See PARKING BRAKE LEVER BOOT PANEL REMOVAL/INSTALLATION.)

f. Rear console (See REAR CONSOLE REMOVAL/INSTALLATION.)

g. Front console panel (See FRONT CONSOLE PANEL REMOVAL/INSTALLATION.)

h. Front console component (See FRONT CONSOLE REMOVAL/INSTALLATION.)

i. Scuff plate (See SCUFF PLATE REMOVAL/INSTALLATION.)

j. Front side trim (See FRONT SIDE TRIM REMOVAL/INSTALLATION.)

k. A-pillar trim (See A-PILLAR TRIM REMOVAL/INSTALLATION.)

l. Passenger-side lower panel (See PASSENGER-SIDE LOWER PANEL REMOVAL/INSTALLATION.)

m. Center panel No.2 (See CENTER PANEL No.2 REMOVAL/INSTALLATION.)

n. Driver-side air bag module (See DRIVER-SIDE AIR BAG MODULE REMOVAL [TWO-STEP DEPLOYMENT CONTROL SYSTEM].) (See DRIVER-SIDE AIR BAG MODULE INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM].) (See DRIVER-SIDE AIR BAG MODULE REMOVAL [STANDARD DEPLOYMENT CONTROL SYSTEM].) (See DRIVER-SIDE AIR BAG MODULE INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM].)

o. Steering wheel (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.)

p. Upper column cover (See COLUMN COVER REMOVAL/INSTALLATION.)

q. Lower column cover (See COLUMN COVER REMOVAL/INSTALLATION.)

r. Wiper and washer switch (See WIPER AND WASHER SWITCH REMOVAL/INSTALLATION.)

s. Light switch (See LIGHT SWITCH REMOVAL/INSTALLATION.)

t. Clock spring (See CLOCK SPRING REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM].) (See CLOCK SPRING REMOVAL/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM].)

u. Meter hood (See METER HOOD REMOVAL/INSTALLATION.)

v. Instrument cluster (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)

w. Hood release lever (See HOOD RELEASE LEVER AND RELEASE CABLE REMOVAL/INSTALLATION.)

x. Driver-side lower panel (See DRIVER-SIDE LOWER PANEL REMOVAL/INSTALLATION.)

y. Knee bolster (See KNEE BOLSTER REMOVAL/INSTALLATION.)

z. Center panel No.1 (See CENTER PANEL No.1 REMOVAL/INSTALLATION.)

aa. Climate control unit (See CLIMATE CONTROL UNIT REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER].) (See CLIMATE CONTROL UNIT REMOVAL/INSTALLATION [MANUAL AIR CONDITIONER].)

ab. Audio unit (without center display) (See AUDIO UNIT REMOVAL/INSTALLATION.)

ac. Center display (with center display) (See CENTER DISPLAY REMOVAL/INSTALLATION.)

ad. Dashboard (See DASHBOARD REMOVAL.) (See DASHBOARD INSTALLATION.)

ae. Air dist unit (See AIR DIST UNIT REMOVAL/INSTALLATION.)

6. Remove the bolt.

CAUTION:

  • If moisture or foreign matter enters the refrigeration cycle, cooling ability will be lowered and abnormal noise will occur. Always immediately plug all open fittings after removing any refrigeration cycle parts to keep moisture or foreign matter out of the cycle.

7. Disconnect the cooler pipe (LO) and cooler pipe (HI) C.

8. Remove the clips.

9. Disconnect the heater hoses.

10. While pressing the clip tabs in the direction of arrows (1) shown in the figure, press the clip in the direction of arrow (2) to detach the clip tabs from the A/C unit.

11. Remove the clips.

12. Partially peel back passenger-side floor covering No.1. (See FLOOR COVERING REMOVAL/INSTALLATION.)

13. Remove the nuts.

14. Remove the A/C unit. Do not allow compressor oil or engine coolant to spill.

15. Remove the accessory socket. (See ACCESSORY SOCKET REMOVAL/INSTALLATION.)

16. Remove the accessory socket short-cord. (See A/C UNIT DISASSEMBLY/ASSEMBLY.)

17. Install in the reverse order of removal. (See A/C Unit Installation Note.)

18. When replacing the A/C unit, add compressor oil to the refrigerant cycle.

    Supplemental compressor oil amount (approx. quantity)

  • 40 ml {40 cc, 1.4 US fl oz}

19. Inspect for engine coolant leakage. (See ENGINE COOLANT LEAKAGE INSPECTION [SKYACTIV-G 2.0].)q

20. Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST.)

A/C Unit Installation Note

1. Inspect the urethane seal for damage and cracks.

  • If there is any malfunction, replace the drain hose bracket.

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