This bulletin supersedes the previously issued bulletin(s) listed below
Mazda technical service bulletin 01-010-26 for 2017-2021 Mazda MAZDA3, 2017-2022 Mazda CX-5 and 2020-2023 Mazda CX-30 and others.
- Bulletin number
- 01-010-26
- Component
- Engine
- Summary
- This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red text. 01-012/22 10/06/22 DESCRIPTION Some vehicles may exhibit accumulation of dried coolant (1) around the water pipe (2). This is caused by a gap between the housing and pipe due to a press fitting during the manufacturing process. The accumulated coolant is solidified and plugs the gap in high temperature environment and the seepage is stopped and does not progress. This is normal and does not require a part replacement, clean off the dried coolant from around the pipe with a wire brush. REPAIR PROCEDURE 1. Verify the customer concern. 2. If the above condition is experienced, remove the accumulated coolant around the pipe (1) with a wire brush etc. NOTE: Perform the procedure on the vehicle. No need to remove the water pipe and hoses.
Owners of these vehicles have filed 578 complaints in the engine category.
Vehicles covered
VIN decoder
See the problems and recalls for an exact car
Buying a used Mazda MAZDA3?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history