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SportTrac Discussion
General Sport Trac Discussion
Bad Vibration
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<blockquote data-quote="Berf" data-source="post: 1039849" data-attributes="member: 75201"><p>It isn't the engine. It has all new plugs, fluids, and filters (including gas filter) and the engine runs fine and the transmission shifts fine. It is a drivetrain vibration of some kind. Truck has 150 K miles on it. It started after I ran it at 80mph on the highway for several miles. It's either a U joint, carrier bearing, or CV joint or axle issue. It only occurs under load. If I lift off the gas pedal it goes away, if I push harder on it, the vibration gets worse. Feels like driving over a rumble strip. Higher speeds make it worse.</p></blockquote><p></p>
[QUOTE="Berf, post: 1039849, member: 75201"] It isn't the engine. It has all new plugs, fluids, and filters (including gas filter) and the engine runs fine and the transmission shifts fine. It is a drivetrain vibration of some kind. Truck has 150 K miles on it. It started after I ran it at 80mph on the highway for several miles. It's either a U joint, carrier bearing, or CV joint or axle issue. It only occurs under load. If I lift off the gas pedal it goes away, if I push harder on it, the vibration gets worse. Feels like driving over a rumble strip. Higher speeds make it worse. [/QUOTE]
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SportTrac Discussion
General Sport Trac Discussion
Bad Vibration
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