Mercury TSB #0421
2003 Mercury Grand Marquis
Affected Component: ENGINE AND ENGINE COOLING:ENGINE
- TSB Document
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- Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Mercury for this TSB. Call your local Mercury dealer's service department & ask for a copy of TSB# 0421.
- Summary
- ENGINE KNOCK DURING INITIAL COLD START, THE KNOCK WILL CEASE AFTER THE ENGINE IS FULLY WARMED UP. *TT