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Porsche TSB #No. 18-23
1997 Porsche 911
Affected Component: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION
Date Published
SEP 05, 2023
NHTSA TSB #
10243587
TSB Document
MC-10243587-0001.pdf
Summary
Manufacturers certificate for an overview of approved Porsche C40 engine oils.