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Ask the Toyota mechanic!

Discussion in 'General Tundra Discussion' started by T-Rex266, Aug 15, 2015.

  1. Feb 10, 2019 at 12:40 PM
    #1471
    paul c

    paul c New Member

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    Hopefully a quick question. Just picked up my new tundra Friday and I noticed when it’s cold and first started the engine is slightly noisy, would almost say it’s a piston slap type of noise. Going back to the dealer tomorrow for them to straighten out a couple of things and I was going to have them start up another new one with the 5.7 to listen to that. Is it common for these to have some noise when cold? It’s not deafening by any means but I was a mechanic and do have an ear for theses things. Thanks in advance.
     
  2. Feb 10, 2019 at 3:12 PM
    #1472
    NewImprovedRon

    NewImprovedRon SouthBoundSteve Fan Club President

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    Bentonville, AR
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    Deck rail system, Bed divider, door sill protectors, LED reverse light bars, Aries Bull Bar with 28" 180 watt LED light bar, LED step lights, LED bed lights, driver-side grab handle, TRD Rear Sway Bar, BedRug bed mat and tailgate mat, Morimoto Fog Lights, more to come.....
    The 5.7, for all its reliability, does make a little noise especially when it is cold. I think it is probably normal. Congrats on the new Tundra!
     
  3. Feb 10, 2019 at 4:52 PM
    #1473
    paul c

    paul c New Member

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    It figures, as long as it’s normal. I asked a friend that works for Lexus and he said their full size suv with the 5.7 is known for it. Thanks.
     
    NewImprovedRon likes this.
  4. Feb 10, 2019 at 8:08 PM
    #1474
    CaptSpaulding

    CaptSpaulding New Member

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    After starting up cold, go to the passenger wheel well and listen for about 20 seconds. You'll most likely hear it stop. There is a air injection system that runs during that time
     
  5. Feb 11, 2019 at 5:26 AM
    #1475
    paul c

    paul c New Member

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    Quite the opposite, once that fan starts to free up then you hear it for the next few minutes. Once in gear it stops or once it’s up to temp it’s gone. Typing this as I just started it up cold.
     
  6. Feb 11, 2019 at 11:11 AM
    #1476
    CaptSpaulding

    CaptSpaulding New Member

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    Damn, not the easy answer. I'll ask a mechanic buddy today and provide some insight later....hopefully
     
  7. Feb 11, 2019 at 11:26 AM
    #1477
    Wynnded

    Wynnded Wait, what?

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    2011 RCSB 5.7L AWD Tundra
    OEM Upgrades: Limited mirrors (auto darkening/backup camera/power fold) Limited Wheels Limited Grill Stubby Antenna Automatic Climate Controls Automatic Headlamp Mod TRD Rear Sway Bar Sequoia Front Sway Bar Sequoia Transfer Case Sequoia Leather Steering Wheel Sequoia Limited Gage Cluster Sequoia LED Headlamps Window Tint Fake Manual Transmission Mod 10" BAMF Stainless Catback DAP N/A Tune Engine Block Heater
    The guy at the Lexus dealer was correct.
     

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