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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 2]
Engine knock or possible vacuum hub knock???
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<blockquote data-quote="Westy737" data-source="post: 1272844" data-attributes="member: 25633"><p><strong>Dealer Still Can't figure out the noise in my 2018</strong></p><p></p><p>Noise Update-My 2018 Raptor with about 3000 miles has been at the dealer for well over 2 weeks now. Everything imaginable dealing with the Vacuum system for the front hubs has been replaced. This includes the Control Module, Solenoid, Vacuum Lines, Vacuum Pump, and the Hubs. The Ford designated Rep. for this area is working with the dealership to try and figure this out. Ford is convinced that the knocking noise is coming from the vacuum system that locks up the front wheels for 4-wheel drive. If you put the truck in 4-wheel drive, there is no noise. I still think it sounds like engine pre-ignition. Anyone have any ideas or the same problem?</p></blockquote><p></p>
[QUOTE="Westy737, post: 1272844, member: 25633"] [b]Dealer Still Can't figure out the noise in my 2018[/b] Noise Update-My 2018 Raptor with about 3000 miles has been at the dealer for well over 2 weeks now. Everything imaginable dealing with the Vacuum system for the front hubs has been replaced. This includes the Control Module, Solenoid, Vacuum Lines, Vacuum Pump, and the Hubs. The Ford designated Rep. for this area is working with the dealership to try and figure this out. Ford is convinced that the knocking noise is coming from the vacuum system that locks up the front wheels for 4-wheel drive. If you put the truck in 4-wheel drive, there is no noise. I still think it sounds like engine pre-ignition. Anyone have any ideas or the same problem? [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 2]
Engine knock or possible vacuum hub knock???
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