what causes a snapping or clicking sound when starting engine on 2001 Ford Escape

sound last only about 20 - 30 seconds

Asked by for the 2001 Ford Escape
3 answers
if its under the dash its most likely an a/c actuator. have the car scanned to determine which one it is and get an est

i think Best to do automotive diagnostics to learn more about where have the problem about your car,

So that you can solve the problem
what engine is in your car...2.0 or 3.0?