Mazda 6 2002 Workshop Manual page 1113

HEATER CORE INSPECTION
1. Remove the A/C unit. (See
2. Remove the heater core from the A/C unit.
3. Inspect for cracks, damage, and coolant leakage.
• If any problems are found, replace the heater core.
4. Inspect for bent fins.
• If any are bent, use a flathead screwdriver to straighten them.
5. Verify that the heater core inlet and outlet pipe are not distorted or damaged.
• Repair with pliers if necessary.
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REAR HEAT DUCT REMOVAL/INSTALLATION
1. Turn over the front floor covering. (See
2. Remove in the order indicated in the table.
1 Rear heat duct (Right)
2 Rear heat duct (Left)
3. Install in the reverse order of removal.
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A/C COMPRESSOR REMOVAL/INSTALLATION
1. Disconnect the negative battery cable.
2. Discharge the refrigerant from the system. (See
3. Remove the right side splash shield and mudguard (L.H.D. only).
4. Loosen the drive belt and remove it.
Caution
• • • • If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and
abnormal noise will occur. Always immediately plug open fittings after removing any refrigeration
cycle parts to keep moisture or foreign material out of the cycle.
5. Remove in the order indicated in the table. Do not
allow compressor oil to spill.
1 Cooler hose (HI)
(See U–29 Refrigerant Lines Installation
2 Cooler pipe No.4 (L.H.D.) or cooler hose (LO)
(R.H.D.)
(See U–29 Refrigerant Lines Installation
3 Magnetic clutch connector
4 A/C compressor
(See U–24 A/C Compressor Installation
6. Install in the reverse order of removal.
7. Adjust the drive belt.
8. Perform the refrigerant system performance test.
(See U–13 REFRIGERANT SYSTEM
PERFORMANCE TEST.)
BASIC SYSTEM
U–15 A/C UNIT REMOVAL/INSTALLATION.)
S–99 FRONT FLOOR COVERING
.
U–9
.
Note)
Note)
Note)
REMOVAL/INSTALLATION.)
RECOVERY.) (See U–9 CHARGING.)
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A6E851661273W01
A6E8516W011
A6E851661450W01
U
A6E8516W012
U–23