Fixing Lincoln Idle Rattle Noise

Some 2005-2013 Lincoln Navigator vehicles equipped with a 5.4L 3V engine may exhibit an intermittent rattle noise while driving from idle up to 1200 rpm with the engine at operating temperature. In severe cases, a rough idle and DTCs P0022, P0021, P0340 and/or P0341 may be stored in the PCM.

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Feb. 8, 2023
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Photo Credit: Lincoln
Replace the left and right variable cam timing (VCT) solenoids. Refer to workshop manual section 303. VCT solenoids are available as P/N 8L3Z-6M280-B. Replace gaskets as well.

Replace the left and right variable cam timing (VCT) solenoids. Refer to workshop manual section 303. VCT solenoids are available as P/N 8L3Z-6M280-B. Replace gaskets as well.

Some 2005-2013 Lincoln Navigator vehicles equipped with a 5.4L 3V engine may exhibit an intermittent rattle noise while driving from idle up to 1200 rpm with the engine at operating temperature. In severe cases, a rough idle and DTCs P0022, P0021, P0340 and/or P0341 may be stored in the PCM.

Replace the left and right variable cam timing (VCT) solenoids. Refer to workshop manual section 303. VCT solenoids are available as P/N 8L3Z-6M280-B. Replace gaskets as well.

About the Author

Information courtesy of Mitchell 1

Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.

Mike Mavrigian
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Mike Mavrigian

Motor Age Editor

Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of  specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.

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