On some vehicles, an engine oil leak from the rear of the engine at the turbocharger drain back tube could...
Mazda technical service bulletin SA-007-26 for 2024-2025 Mazda CX-90 and 2025 Mazda CX-70.
- Bulletin number
- SA-007-26
- Component
- Engine
- Summary
- On some vehicles, an engine oil leak from the rear of the engine at the turbocharger drain back tube could be be confused as an oil leak from behind the bell housing. The bolt holes for the drain back tube to the block are drilled through to the inside of the engine and thread sealer was not properly applied to the bolts threads, causing oil to leak past the threads. NOTE: The WSM was updated to show these bolts are a to be replaced if removed. New bolts will have thread sealer already applied.
Owners of these vehicles have filed 68 complaints in the engine category.
Vehicles covered
- Mazda CX-90 2024-2025 20242025
- Mazda CX-70 2025 2025
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