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Buick TSB #18046
2018 Buick LaCrosse
TSB Document:
Affected Component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY
- Summary
- 18046 - Service Update. On certain vehicles, the motor generator unit (MGU) coolant hose may contact the battery power inverter module (BPIM). Customers may experience a coolant leak. Dealers are to install a shorter bolt. They should also inspect the coolant hose for damage and replace it as necessary.
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