TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Buick for this TSB. Call your local Buick dealer's service department & ask for a copy of TSB# 01347.

Affected Component: ENGINE AND ENGINE COOLING:ENGINE

Summary

3.8L L37 L67 ENGINE RECOMMENDED SAE VISCOSITY GRADE ENGINE OILS. *TT

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