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GEN 2 Rattle when suddenly letting off gas

Discussion in 'Ford Raptor Problems and Questions Forum' started by Edwin, Oct 20, 2020.

  1. Edwin

    Edwin Member

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    Its hard to get a recording of this but basically when under mild or light acceleration then suddenly letting off the gas you can hear a very brief rattle coming from the front.

    I checked for loose bolts and stuff like that and cant seem to find anything.

    Ideas? Ill try to get a good recording of it today after work.
     
  2. FordTechOne

    FordTechOne FRF Addict

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    Try it in 4WD 4A mode. If the rattle goes away, it’s IWE related.
     
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  3. Edwin

    Edwin Member

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    Didn’t go away.
     
  4. FordTechOne

    FordTechOne FRF Addict

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    What model year is the truck?
     
  5. Edwin

    Edwin Member

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    It’s a 2017 SCAB
     
  6. FordTechOne

    FordTechOne FRF Addict

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    There is a TSB for turbocharger wastegate rattle noise on 2017 models; it sounds like what you're experiencing.

    TECHNICAL SERVICE BULLETIN
    3.5L EcoBoost - Rattle Type Noise from Engine Compartment Under Various Operating Conditions 20-2016
    13 February 2020


    Ford
    2017 F-150
    Engine: 3.5L EcoBoost


    Issue: Some 2017 F-150 vehicles equipped with a 3.5L EcoBoost engine may exhibit a rattle type noise from the engine compartment under various operating conditions. This noise may be due to excessive play in the turbocharger wastegate linkage. To correct the condition, follow the Service Procedure to install the wastegate linkage spring kit.

    Action: Follow the Service Procedure to correct the condition on vehicles that meet all of the following criteria:

    • 2017 F-150

    • 3.5L EcoBoost engine

    • Customer concern of rattle type noise from the engine compartment under various operating conditions
     
  7. Edwin

    Edwin Member

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    would this be covered under the power train warranty?
     
  8. FordTechOne

    FordTechOne FRF Addict

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    Yes
     

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