One problem related to engine clicking and tapping noises has been reported for the 2000 Volvo S40. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Volvo S40 based on all problems reported for the 2000 S40.
Both of the vehicle's front shocks failed. When the shocks failed the consumer could hear rattling abd clunking noise in the front end of the vehicle while driving. The vehicle's thermostat failed which caused the check engine light to illuminate.