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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Automatic Transmission Cooling System - (Hybrid)) >> Diagnosis And Testing >> Transaxle Cooling >> Symptom Chart - Transaxle Cooling

Symptom Chart - Transaxle Cooling

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TRANSAXLE COOLING - SYMPTOM CHART

Condition Possible Sources Action
  • Motor Electronics Cooling System (MECS) overheating
  • Clogged MECS radiator or hoses
  • INSPECT the MECS radiator and hoses for damage or plugging.
  • Kinked MECS hoses
  • INSTALL a new MECS radiator or hoses as necessary.
  • MECS leaks
  • INSPECT the MECS radiator and hoses for leaks. REPAIR or INSTALL new components as necessary.
  • MECS pump does not operate
  • CHECK the MECS pump secondary electrical system. GO to PINPOINT TEST A .
  • Radiator cooling fans
  • Internal transaxle concerns