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Buick TSB #PIP4495F
2012 Buick Regal
Affected Component: EQUIPMENT ADAPTIVE/MOBILITY
- This Preliminary Information communication provides information to the technician about vehicles that have a loud tick or rattle noise under the hood at all operating conditions. Technician will need to check the lower and oil pressure to the upper end oil pressure. Technician will need to inspect the oil feed orifice in the cylinder head. Technician will clean out and debris found in the orifice.
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