Mazda CX-9 Grand Touring 2009 Manual page 1786

4. Remove the bolts.
5. Remove the front expansion valve. Do not allow compressor oil to spill.
6. Install in the reverse order of removal.
7. Perform the refrigerant system performance test.
(See REFRIGERANT SYSTEM PERFORMANCE TEST .)
Fig. 10: Identifying Front Expansion Valve, Bolts & Torque Specifications
AIR FILTER REMOVAL/INSTALLATION
1. Remove the glove compartment service hole cover.
2. Remove the cover in the direction of the arrow.
2008 Mazda CX-9 Grand Touring
2008 HVAC Basic System - Mazda CX-9
Fig. 9: Identifying Front Cooler Pipe No.1, Front Cooler
Pipe No.4 & Torque Specifications