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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 2]
2018 grinding noise
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<blockquote data-quote="FordTechOne" data-source="post: 1768287" data-attributes="member: 35543"><p>Turbocharged engines still have vacuum just like any other engine, as long as they’re not in boost. On Gen 1 3.5, a cam driven vacuum pump was used. On Gen 2, the system draws engine vacuum, but is supplemented by an aspirator assembly (Venturi) to maintain vacuum under all conditions.</p></blockquote><p></p>
[QUOTE="FordTechOne, post: 1768287, member: 35543"] Turbocharged engines still have vacuum just like any other engine, as long as they’re not in boost. On Gen 1 3.5, a cam driven vacuum pump was used. On Gen 2, the system draws engine vacuum, but is supplemented by an aspirator assembly (Venturi) to maintain vacuum under all conditions. [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 2]
2018 grinding noise
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