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Timing Belt Service

Discussion in '1st Gen Tundras (2000-2006)' started by mpmoe2002, Jul 5, 2021.

  1. Jul 5, 2021 at 9:07 AM
    #1
    mpmoe2002

    mpmoe2002 [OP] New Member

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    Hi,

    I have a new to me 2002 Tundra Access Cab Limited with 156k on the clock. I do not have proof of a previous timing belt change. What other parts would you replace at the same time? Thinking out loud I would think-timing belt, water pump, cam seals, thermostat. What do the experts recommend? I have been burned by aftermarket parts in the past so my plan was to use oem. I am not handy so i will take it to a local trusted shop.

    Jason
     
    ToyotaJim likes this.
  2. Jul 5, 2021 at 9:13 AM
    #2
    Sirfive

    Sirfive Master Procrastinator

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    Im no expert. Hows your front crank seal? Ive also heard some of the others talk about an oil pump o-ring
     
  3. Jul 5, 2021 at 9:16 AM
    #3
    jimf909

    jimf909 Battery almost dead...

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    Dead stock with oem 16" starfish wheels. We'll see how long that lasts. :) Topper of unknown origin.
    mpmoe2002 [OP] likes this.
  4. Jul 5, 2021 at 10:03 AM
    #4
    Desert Dog

    Desert Dog Nobody rides for free

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    If you haven't already done so I would strongly encourage you to start here: https://www.toyota.com/owners/my-vehicle/vehicle-specification

    I was in the process of planning to purchase all the parts that I wanted to replace during a timing belt replacement and have the peace of mind that the new parts were installed while I was in the area since my truck has 188k on it and I'm pretty certain many of the items I want to replace are the originals. But, just before I got ready to pull the trigger on all the parts I jumped on Toyota's website that I've linked to and discovered that the timing belt and some of the related parts in that area had already been done at a dealership and were still within their service-life and Toyota's recommended service interval, so I bought myself some time and miles and I'm focusing on other needed areas first. Once I do the job I will be replacing the water pump, alternator (with an OEM or a Denso unit, which is who manufactures them for Toyota), a new harmonic balancer (due to the age and hardened condition of the rubber sandwiched in it), tensioner, cam front seals and crank seal. I'm going to have to look into that o-ring Sirfive mentioned above and do it as well. Oh, and a fan clutch.

    Here's the kit many use: https://www.amazon.com/dp/B008EEYWKI?_encoding=UTF8&Make=Toyota%7C76&Model=Tundra%7C1033&Year=2001%7C2001&ie=UTF8&newVehicle=1&vehicleId=2&vehicleType=automotive
     
    jimf909 and mpmoe2002 [OP] like this.
  5. Jul 5, 2021 at 6:37 PM
    #5
    N84434

    N84434 In the Frozen Tundra

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    IMHO, cam seals at 156k is unnecessary. Oil pump seal - not a bad idea, but not normally something I would change at that mileage. Same with the front crank seal. Not necessary but since it's open, probably not a bad idea.
     
  6. Jul 5, 2021 at 9:09 PM
    #6
    Winning8

    Winning8 New Member

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    Change all seals, gaskets and o rings. Fan belts, pulleys, water pump, all fluids.
     
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  7. Jul 6, 2021 at 10:05 AM
    #7
    ToyotaJim

    ToyotaJim New Member

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    Welcome to the forum! This is a common topic, discussed seemingly weekly so you can read all about recommendations. One member just found out the hard way with a neglected belt that failed and ruined the engine. So, yes, it's crucial to get the belt done. It goes by 1) 90k miles or 2) ~7 years. Yours is either way overdue for it's 2nd belt or nearly due for its 3rd... I would immediately get it done.

    As you astutely noticed, other items to address at that time are water pump, thermostat, cam seal, seals, gaskets in the region. I also did the idler arm, tensioner, pully, serpentine belt, pcv, and radiator flush and fill.

    I bought the parts directly from Toyota parts online, and my mechanic put them in. Parts were around $400-500 and labor around $800. Was about $1200 all done. Great maintenance and peace of mind.

    Also, not in that region, but I'd do oil and filter change with premium synthetic, and do a drain and fill of the transmission. It's super easy. There's a transmision pan below the passenger area, drop the pan bolt, drain about 3-4 qts of fluid, and reinstall the bolt and fill thru the dipstick. Measure what was drained and replace that amount exactly. This will replace about 30% of the fluid. Do that on a regular schedule with oil changes and after about the 4th - 6th time nearly all of the fluid will have been replaced. Use premium fluid. Confirm in your manual but it should be 5w30 for oil (any quality synthetic, especially high mileage formulas), and Dex III for transmission; I use the Valvoline 5 qt blue bottle of Dex/Mercon. It's $15.
     
    Last edited: Jul 6, 2021
  8. Jul 9, 2021 at 3:54 AM
    #8
    ToyoLife

    ToyoLife New Member

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    Thanks for the list above. Can you post a list of the part numbers? Looking to do exactly the same for my 06 DC 4WD.
     
  9. Jul 9, 2021 at 6:34 AM
    #9
    N84434

    N84434 In the Frozen Tundra

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    [​IMG]
     
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  10. Jul 9, 2021 at 10:27 AM
    #10
    ToyotaJim

    ToyotaJim New Member

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    You'll need to go to the Toyota parts and type in your truck or VIN # and the parts. My trucks might take slightly different parts due to being different model years. So I'd hate to give you a wrong part number. Good luck.
     
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  11. Jul 9, 2021 at 2:57 PM
    #11
    ToyoLife

    ToyoLife New Member

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    Good point, off to the search portal.
     
  12. Jul 16, 2021 at 8:16 PM
    #12
    mpmoe2002

    mpmoe2002 [OP] New Member

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    Thanks to all who posted. Got timing belt service done at dealership ($1,100). Surprisingly, the dealership was on par price-wise with indy shops I checked. Didn't have "extra" funds to do some of the suggested other "while your in there" items, but am happy with overall result.
     
    NewTundraAdmirer likes this.
  13. Jul 19, 2021 at 1:12 AM
    #13
    Diablo169

    Diablo169 New Member

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    Just buy the Aisin $hit from Rock Auto, it’s the same as OEM, and like 1/3 the cost.

    Remember, you replace it every 90k, none of it is even close to wearing out, including the belt.

    Just did my first belt and I literally could do it again start to finish in 4hrs. Replaced everything.

    Side note, cam seals are not easy, I wouldn’t replace them unless you have to.

    Also, don’t drink heavily before pulling everything apart, you won’t remember how to put it back together. Learned the hard way :rofl:

    8CE2C9FB-B380-45E8-A982-57922A67DBE5.jpg 5F2658DC-48AE-47A8-9CA9-97A9EB530F66.jpg 284FF065-F4F2-427E-BA3D-4DB40B9157AF.jpg
     
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  14. Aug 24, 2021 at 5:02 PM
    #14
    ProudTundran

    ProudTundran New Member

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    I have seen pictures of a little sticker that guys have put on the cam shaft cover to note the mileage of the timing belt change. Do you know where a guy can find one of these labels / stickers? Thanks.
     
  15. Aug 24, 2021 at 5:05 PM
    #15
    Siebler

    Siebler Taco Tow Vehicle

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    My Aisin kit came with one. Amazon has Oil Change stickers I cant imagine Tb stickers dont exist as well.
     
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  16. Aug 24, 2021 at 5:17 PM
    #16
    THinTX

    THinTX New Member

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    When I worked at a shop, we always used the Aisin kits. They include water pump, timing belt, timing pulleys, and hydraulic tensioner. We’d also do the crank seal and drive belt. Crank seal is not a bad idea. I’d only recommend cam seals if they’re leaking, and on newer 4.7s with the cam phasers, they’re a PITA…not recommend.
     
  17. Aug 24, 2021 at 5:25 PM
    #17
    w666

    w666 D. None of the above

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  18. Aug 24, 2021 at 5:28 PM
    #18
    BubbaW

    BubbaW Saw it right off

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    Consider going by a Toyota Dealer, less than 3 bucks most places....part # 13564-10010
     
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