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1999 Ford Expedition Question: loud noise when in park in engine



karis03, 4.6L V8, Appleton, WI, March 20, 2014, 00:21

my engine makes a loud knocking noise when in park and when I shift to drive it stops but when driving my 4x4 sensor light flashes when driving and my radio goes in and out

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  • Answer #1

    G. T. Service Center (4242 Answers) , Stephenville, TX - (254) 638-3236
    ProfessorG March 20, 2014, 08:48

    The knocking noise is just a guess from not hearing the noise, possible torque convertor nuts or flywheel. Electrical needs to be diagnosed.

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  • Answer #2

    Greg's Orange Auto (14915 Answers) , Orange, CA - (714) 361-9386
    globalhelper March 20, 2014, 09:04

    scan trans codes or get a free diag and est from aamco then post results b4 repairs are made

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