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Home >> Cadillac >> 2003 >> Seville SLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Troubleshooting - No Codes >> Symptoms >> Detonation/Spark Knock >> Engine Cooling System
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Engine Cooling System

Inspect for the causes of overheating:

  1. Low engine coolant level.
  2. Restricted air flow to radiator, or restricted coolant flow through the radiator. See appropriate article in ENGINES.
  3. Insufficient cooling fan operation. See appropriate article in ENGINES.