News Technical Service Bulletins

Mazda Coolant Leak

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KEYWORDS Mazda Mitchell 1

A: Leak area; B: Lower radiator hose; C: Thermostat housing.

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.

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