1997 Chevrolet Corvette AutomaticFACTORY OEM SERVICE PROCEDURE

Electric Cooling Fans

NOTE: For specific electric cooling fan testing, see ELECTRIC COOLING FAN CIRCUIT DIAGNOSIS test under CIRCUIT DIAGNOSISΒ  TESTS. For component locations, see COMPONENT LOCATIONΒ  . For terminal/wire color ID, see the WIRING DIAGRAMS article

All FWD and some RWD vehicles use an electric cooling fan. The electric cooling fan is used for radiator and A/C condenser cooling. Cooling fan operates when A/C is on and when engine coolant temperature exceeds a specific value. One or more cooling fan relays may be used. For cooling fan relay location, see COOLING FAN RELAY LOCATIONΒ  table.

COOLING FAN RELAY LOCATION

Application Location
"Y" Body Inside Underhood Electrical Center, Above Battery

To help save diagnostic time, ALWAYS check for blown fuses or fusible links before proceeding with any testing. If fuses are blown, locate and repair short circuit before replacing fuses. Ensure all related relay and wire harness connections are clean and tight. Repair as necessary. For component location, and terminal and wire color identification, see the ENGINE COOLING FAN article in the ENGINE COOLING section.

WARNING: Vehicles may be equipped with a PCM using an Electronically Erasable Programmable Read Only Memory (EEPROM). When replacing PCM, the new PCM must be programmed.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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