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Mazda TSB #01-012-22
2021 Mazda MAZDA3
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- 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.
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