Clear the Click in the Water Pump Relay

April 8, 2022

If there's a clicking noise coming from the auxiliary water pump relay on a 2015 Alfa Romeo 4C vehicle, the issue may be the rapid activation and deactivation of the relay.

This bulletin applies to 2015 Alfa Romeo 4C vehicles. A clicking noise may be heard from the auxiliary water pump relay. The concern may be caused by rapid activation and deactivation of the auxiliary water pump relay.

A software update will improve the cycling of this relay. The update takes about six minutes.

About the Author

Information courtesy of Mitchell 1

Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.

About the Author

Mike Mavrigian | Motor Age Editor

Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of  specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.

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