Mazda 6 Service Manual: No.4 hard to start/long crank/erratic start/erratic crank

No.3 will not crank

No.5 engine stalls-after start/at idle

Other materials:

Mazda 6 Service Manual: Oil cooler removal/installation
1. Disconnect the negative battery cable. 2. Drain the ATF into a container. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT.) 3. Remove the radiator. (See RADIATOR REMOVAL/INSTALLATION.) 4. Remove in the order indicated in the table. 5. Install in the reverse order of removal. 6. Add ATF to ...

Mazda 6 Service Manual: Inspecting Electrolyte Level
A low level of electrolyte fluid will cause the battery to discharge quickly. Inspect the electrolyte level at least once a week. If it is low, remove the caps and add enough distilled water to bring the level between the upper and lower level (illustration). Do not overfill. Examine the sp ...