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GMC TSB #17-NA-159
2017 GMC Acadia
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
- Summary
- This technical bulletin provides a procedure to Replace the PCV valve tube assembly to correct a condition of the engine make a whistle noise at idle and during engine shut down due to a restriction in the positive crankcase ventilation (PCV) valve tube assembly.
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