Your Vehicle: 2001 Ford Escort ZX2 L4-2.0L DOHC VIN 3
Vehicle » Testing and Inspection » Symptom Related Diagnostic Procedures » 5: Road Test » Vehicle Cold Soak Procedure  
  Vehicle Cold Soak Procedure  

To carry out this procedure, proceed as follows:

  • Test preparations include matching customer conditions (if known). If not known, document the test conditions: gear selection and engine rpm. Monitor the vibration/noise duration with a watch for up to three minutes .
  • Park the vehicle where testing will occur. The vehicle must remain at or below the concern temperature (if known) for 6-8 hours .
  • Before starting the engine, conduct a visual inspection under the hood.
  • Turn the key on, but do not start the engine. Listen for the fuel pump, Anti-lock Brake System (ABS) and air suspension system noises.
  • Start the engine.
  • Isolate the vibration/noise by carefully listening. Move around the vehicle while listening to find the general location of the vibration/noise. Then, search for a more precise location by using a stethoscope or EngineEAR.

CAUTION : Never probe moving parts.