Some 2010-2011 Mazda Tribute vehicles, equipped with the 2.5L engine and produced before March 3, 2011, may exhibit an intermittent no-crank, no-start condition, with no DTCs or passive anti-theft system (PATS) indicator flashing.
1. Verify the concern.
2. Remove the starter motor.
3. Using an M10 x 1.5-6H tap, clean the threads of both upper and lower starter bolt holes in the engine block to loosen any excessive material.Clean areas with shop air.
4. Clean the threads of both starter bolts.
5. Install the starter motor. The ground wire that attaches to the starter motor upper bolt hole must be clean and tight.