
Diagnostic procedure

No.8 does not shift to fourth gear (4gr)Mazda 6 Service Manual: Power steering oil pump disassembly/assembly
Note
The following procedure is for replacement of the O-ring and oil
seal only. Replace the pump component if other repairs are necessary.
1. Disassemble in the order indicated in the table.
2. Assemble in the reverse order of disassembly.
Power Steering Oil Pump Component Disassemb ...
Mazda 6 Service Manual: Expansion valve removal/installation
1. Disconnect the negative battery cable.
2. Discharge the refrigerant from the system. (See RECOVERY.) (See CHARGING.)
Caution
If moisture or foreign material enters the refrigeration cycle,
cooling ability will be lowered and abnormal noise will occur. Always
immediately plug open fitt ...