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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 227 (Engine & Automatic Transmission Cooling System) >> Diagnosis And Testing >> Cooling-Preliminary Checks >> Engine Cooling System Overheating >> Notes

Engine Cooling System Overheating: Notes

WARNING: This page is about a different car, the 2008 Dodge Magnum, 2008 Dodge Charger, and 2008 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

Establish what driving conditions caused the complaint. Abnormal loads on the cooling system such as the following may be the cause:

  1. Prolonged idle
  2. Very high ambient temperature
  3. Slight tail wind at idle
  4. Slow traffic
  5. Traffic jams
  6. High speed or steep grades

Driving techniques that avoid overheating are:

  1. Idle with A/C off when temperature gauge is at end of normal range.
  2. Increasing engine speed for more air flow is recommended.