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4.7 timing belt

Discussion in '1st Gen Tundras (2000-2006)' started by sidewinder81, Jun 20, 2017.

  1. Mar 25, 2021 at 11:41 PM
    #241
    Shoei1

    Shoei1 New Member

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    When going through rock auto I didn't see the Aisin(which is what I would agree is best). This is the thought I had as well. But it just has such low miles I didnt really know if it was needed.
     
  2. Mar 25, 2021 at 11:50 PM
    #242
    empty_lord

    empty_lord They see me rollin'

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    assassin10000 likes this.
  3. Mar 25, 2021 at 11:51 PM
    #243
    assassin10000

    assassin10000 New Member

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    Timing belts have both a mileage OR time replacement schedule. If either passes, it's best to replace it.
     
    empty_lord likes this.
  4. Mar 25, 2021 at 11:51 PM
    #244
    empty_lord

    empty_lord They see me rollin'

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  5. Mar 26, 2021 at 1:25 PM
    #245
    abcinv

    abcinv OEM (+) Junkie

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    agreed! I did my belt around 65k due to age...
     
  6. Aug 5, 2021 at 9:20 AM
    #246
    mbreed2

    mbreed2 Is not right

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    Working on PM's this morning. Got a chance to inspect my timing belt....
    16281803206446977330639778325678.jpg
    I'm gonna park it.
     
  7. Aug 5, 2021 at 9:23 AM
    #247
    Sirfive

    Sirfive Master Procrastinator

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    You’re a lucky feller.
     
  8. Aug 5, 2021 at 9:23 AM
    #248
    FirstGenVol

    FirstGenVol Brake Czar

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    upload_2021-8-5_12-22-49.jpg



    Prophetic on your part.

    How many miles on this truck?
     
    N84434 likes this.
  9. Aug 5, 2021 at 9:26 AM
    #249
    mbreed2

    mbreed2 Is not right

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    Do we have a record on here for oldest OE timing belt?
    16281807406335403502824805099670.jpg
     
    Sirfive likes this.
  10. Aug 5, 2021 at 10:00 AM
    #250
    mbreed2

    mbreed2 Is not right

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    I have the aisin kit and thermostat and rubber ring gasket on order. Is there a paper thermostat flange gasket also?
     
  11. Aug 5, 2021 at 12:28 PM
    #251
    bmf4069

    bmf4069 Yup, that's car parts in a dishwasher

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    nervous-18237149.jpg
     
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  12. Aug 5, 2021 at 1:16 PM
    #252
    Toyoda Tundra

    Toyoda Tundra Boxing and Tundras

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    Wow! that’s one of the worse I’ve seen. Good save!
     
    GIN•OKUMA likes this.
  13. Aug 5, 2021 at 1:20 PM
    #253
    Sirfive

    Sirfive Master Procrastinator

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    Gasket material is always worth having around. Get the thickness you need, and double thick just in case. Templating isnt hard, and you can make punches by grinding an edge on the right size or slightly smaller pipes.
     
  14. Aug 5, 2021 at 4:43 PM
    #254
    Desert Dog

    Desert Dog Nobody rides for free

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    No, the o-ring around the thermostat is all that seals it. No gasket required.
     
    mbreed2[QUOTED] likes this.
  15. Aug 5, 2021 at 8:57 PM
    #255
    empty_lord

    empty_lord They see me rollin'

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    i replaced one with 300k on it that looked better than yours (and yes. it was indeed the original. i personally knew the owner.)
     
  16. Aug 5, 2021 at 9:16 PM
    #256
    mbreed2

    mbreed2 Is not right

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    Wow, maybe it's age that's making mine look worse.
     
  17. Aug 6, 2021 at 8:34 AM
    #257
    shifty`

    shifty` Is the Gila Copter a love machine?

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    I know I could RTFM to get this info, but if anyone has it on the tip of their brain, what is the age part? Mine was replaced about 20k miles ago (@50k-ish miles), near its 10yr anniversary.
     
  18. Aug 6, 2021 at 8:49 AM
    #258
    BubbaW

    BubbaW Been Real

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  19. Aug 6, 2021 at 10:26 AM
    #259
    HBTundra

    HBTundra New Member

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    Interesting . . . I'd heard that before as well.
    When I bought my 2006 DC last November, it only had around 56K miles on it, but he just had the timing belt replaced before I bought it.
    Good info, thanks.
     
  20. Aug 6, 2021 at 10:27 AM
    #260
    Baller

    Baller New Member

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    I'm coming up on 90k mi on the second timing belt and have been feeling a little anxious. I'm feeling much better now. May I'll even put it off until next year.
     
  21. Aug 6, 2021 at 7:32 PM
    #261
    Heavyopp

    Heavyopp New Member

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    I just pulled my timing belt this week — 2000 tundra v8 — 70,000 miles — 2nd owner
    original owner is a friend and had all service receipts — no evidence of it ever being done, toyota had no record of it either

    old belt looks new, if it still had the paint markings you would not be able to tell old from new

    I did however have some red crystalized substance just above and below the stationary idler pulley — evidence of a water pump leak — luckily I had planned to change that as well
     
  22. Aug 6, 2021 at 8:45 PM
    #262
    05tundra916

    05tundra916 New Member

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    Run a car fax report on the vin and it should show you the service records.
     
  23. Aug 7, 2021 at 10:20 AM
    #263
    mbreed2

    mbreed2 Is not right

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    I got the belt ready to come off. I had to bump the starter to get the crank bolt off. My Snap-On impact didn't fit. Worked like a charm though.
    I see I should replace my crank seal so I'm gonna order that. Hopefully Toyota has it in stock. Lastly, this....
    PXL_20210807_171011962.jpg
    Anyone else have what looks to be a bent crank sensor?
    Thinking I can leave well enough alone. It looks like it is easily serviceable if it goes bad.
     
    GIN•OKUMA likes this.
  24. Aug 7, 2021 at 10:25 AM
    #264
    Desert Dog

    Desert Dog Nobody rides for free

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    I've never seen the sensor on mine yet but as you noted it's easily replaced if necessary. If it's working I wouldn't bother with it. However, I would replace the cam front seals also while you're there. They may not be leaking but you're there. Far less costly to do it now.

    Edit: Wait a minute. I just noticed a mark running down the center of the sensor. Any idea what it's from?
     
    Last edited: Aug 7, 2021
    mbreed2[QUOTED] likes this.
  25. Aug 7, 2021 at 11:16 AM
    #265
    N84434

    N84434 In the Frozen Tundra

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    Probably dirt being slung off the inductor ring or belt material being slung. I would at least loosen the 2 bolts holding the crank sensor in place and clean all the debris out, and see if you can reposition it at all.

    @mbreed2 keep up the fine work!
     
    Desert Dog[QUOTED] and mbreed2 like this.
  26. Aug 7, 2021 at 2:16 PM
    #266
    mbreed2

    mbreed2 Is not right

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    Did any of you get your seals aftermarket? Wondering if I should put an order in on Amazon now or check local parts stores or wait until Monday and check with dealer.
     
  27. Aug 7, 2021 at 3:48 PM
    #267
    Desert Dog

    Desert Dog Nobody rides for free

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    Agreed.


    I'd strongly encourage you to go with OEM.
     
  28. Aug 7, 2021 at 3:50 PM
    #268
    GIN•OKUMA

    GIN•OKUMA Can’t get to SSEM from there. RGBA1

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    :eek:
     
  29. Aug 7, 2021 at 3:54 PM
    #269
    GIN•OKUMA

    GIN•OKUMA Can’t get to SSEM from there. RGBA1

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    Environment has a big effect on rubber. Extreme Heat/cold, humidity etc.
     
  30. Aug 7, 2021 at 4:03 PM
    #270
    Heavyopp

    Heavyopp New Member

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    I don’t have a picture but my sensor isn’t centered in the hole either — I’m too far into re-assembly to get a pic
     

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