TSBs

Mazda Coolant Leak

Sept. 20, 2021

This bulletin applies to 2007-2015 Mazda CX-9 vehicles.

This bulletin applies to 2007-2015 Mazda CX-9 vehicles. Some vehicles exhibit an engine coolant leak between the lower radiator hose and the thermostat housing. The lower radiator hose has been modified to improve sealing performance.

Verify the concern and replace the radiator hose with a new P/N CAY1-15-18Y.

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.