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Engine noise -off beat scraping - 2004

Discussion in '1st Gen Tundras (2000-2006)' started by jimmysmits54, Mar 8, 2020.

  1. Mar 8, 2020 at 3:13 PM
    #1
    jimmysmits54

    jimmysmits54 [OP] New Member

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    I'm shopping for a truck right now and came across a first gen tundra that fit my needs for a work truck. I get there and the body is as expected, the frame is in good shape, etc. It starts good, no smoke, runs good for 200k miles.

    I take it for a test drive and everything's fine, but here's the catch, after it gets warm it has an off rhythm scrape in the engine at idle. The guy told me it's common, but this isn't something I know of as common. It's not a lifter tick, it's something that's off rhythm but consistent.

    Anyone familiar with these engine noises and potential causes?

    There are some additional reasons I'm interested in this truck, so if possible I'd like to get more info on potential engine noises/problems prior to paying for an inspection.
     
  2. Mar 8, 2020 at 4:19 PM
    #2
    bmf4069

    bmf4069 Yup, that's car parts in a dishwasher

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    Any way you can get a video of the sound?
     
  3. Mar 8, 2020 at 6:33 PM
    #3
    jimmysmits54

    jimmysmits54 [OP] New Member

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    Not now, I should have taken one while I was there.
     
  4. Mar 8, 2020 at 7:01 PM
    #4
    TX-TRD1stGEN

    TX-TRD1stGEN I'm not taking a knee

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    Scraping is a weird word when describing engine sounds. Maybe belt idler pulley ?? Just guessing:monocle:
     
  5. Mar 8, 2020 at 8:36 PM
    #5
    15whtrd

    15whtrd Mr. Blonde

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    White 2015 Tundra DC SR5 TRD 4x4 5.7L, White 2003 Sequoia 2WD
    TRD Pro suspension, +2 Coachbuilder shackles, 2015 TRD Pro headlights, 20% ceramic tinted windows, clear ceramic tinted front windshield, aFe drop in pro s dry air filter, TRD airflow accelerator, TRD oil fill cap, TRD 18 psi radiator cap, BDX Bullydog tuner, Weathertech floor mats front and rear, rear seat fold down mod, DNA hard trifold tonneau cover, Linex with uv protection, TRD rear swaybar, TRD center caps, TRD Pro grille insert with color matching surround and bulge, TRD PRO headlights, aluminum oil filter canister, Real truck tailgate seal, Pop-n-lock tailgate lock actuator, rear diff breather relocate, RCI front skid plate. 275/70 R18 BFG KO2s
    It could be one of the accessories. Power steering, air-conditioning, alternator or any of the pulleys. But you say it’s inconsistent, makes me think that it’s something cycling, and that’s when you hear it. Like your air conditioning coming on and off because it’s low. Or an alternator making a noise when it’s under load.
     

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