FixVault

Chart 20-Engine Runs Hot

DIAGNOSTIC CHART 20-ENGINE RUNS HOT

System & Component(s) Reference
COOLING
  • Thermostat
  • Coolant Level
  • Radiator or A/C Condenser
  • Pressure Cap and/or Overflow System
  • External Leaks
  • Belts and Tension
  • Fan and Fan Clutch
  • Electric Fan (If Equipped)
Perform a visual inspection. Check cooling system.
GAUGES
  • Sending Unit
See appropriate INSTRUMENT PANELS article in the ACCESSORIES/SAFTEY EQUIPMENT Section.
EEC
  • EEC-IV Quick Test
See TESTS W/CODES article.
IGNITION
  • Timing
See ADJUSTMENTS article.
BASE ENGINE
  • Water Pump
  • Core Sand in Block/Heads
  • Internal Leaks
Check engine mechanical condition.
BRAKES
  • Brakes Dragging
Check brake system.