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Timing Belt Replacement: Mileage or Time?

Discussion in '1st Gen. Tacomas (1995-2004)' started by rocketeer928, Sep 24, 2009.

  1. Sep 24, 2009 at 7:04 PM
    #1
    rocketeer928

    rocketeer928 [OP] Member

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    I have a 2003 V6 TRD X-tra cab Tacoma that is pretty much my third vehicle. While living in Germany for a year in 2007, I had my truck properly stored. As a result, my truck only has 17,500 miles on it. The owner's and service manual indicate to change the timing belt at 90,000 miles or 6-7 years (can't remember which), whichever comes first.

    Do I really need to heed the time recommendation and consider changing the timing belts, water pump, etc in 2010, or can I wait longer? I did read in another thread that one should change the timing belt at no longer than the 10 year point, no matter the mileage.
     
  2. Sep 24, 2009 at 7:16 PM
    #2
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Yes. You need to heed the owners manual.
     
  3. Sep 24, 2009 at 7:37 PM
    #3
    PhatTaco

    PhatTaco Well-Known Member

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    Yes you need to do as the owner’s manual says. I don’t know if your engine is an “interference” engine but this is where the valves and pistons will collide in the combustion chamber if the belt breaks. Obviously a very catastrophic and expen$ive event. If the engine is non-interference then the worst that can happen is you will be stranded at the most inconvenient time at the most remote location. You will now have the added cost of towing and still have to have the timing belt and water pump changed but not at a time of your choosing. Not worth trying to stretch it.
     
  4. Sep 24, 2009 at 10:17 PM
    #4
    EnolaGaia

    EnolaGaia Well-Known Member

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    The factory recommendation for timing belt replacement on a 5VZ is 90,000 miles or 9 years (108 months).

    The 5VZ is a non-interference engine.
     
  5. Sep 25, 2009 at 3:45 AM
    #5
    rocketeer928

    rocketeer928 [OP] Member

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    9 years is more palatable.
     
  6. Sep 25, 2009 at 4:26 AM
    #6
    Janster

    Janster Old & Forgetful

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    This about sums it up nicely.
     
  7. Oct 9, 2009 at 5:57 PM
    #7
    tacotopher

    tacotopher Well-Known Member

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    bump
    id like to get a little more input on this thread before i make any decisions
     
  8. Oct 9, 2009 at 5:58 PM
    #8
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    What more do you need?
     
  9. Oct 9, 2009 at 6:01 PM
    #9
    tacotopher

    tacotopher Well-Known Member

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    Just lookin to see if anyone has done this on their own?
    Also what else would you recommend changing while replacing the belt?
     
  10. Oct 9, 2009 at 6:17 PM
    #10
    Killer Red Taco

    Killer Red Taco NorCal Rock Whore

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  11. Oct 9, 2009 at 6:19 PM
    #11
    tacotopher

    tacotopher Well-Known Member

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    awesome. id love to change it myself, just real hard finding the time
     
  12. Oct 9, 2009 at 6:25 PM
    #12
    Killer Red Taco

    Killer Red Taco NorCal Rock Whore

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    Also might as well change the AC belt, PS belt, Alt belt. I have no real insight on doing this with the engine in the truck, because I did it on a engine out of the truck since I am doing a 3.4 swap in my 89. It was straight forward though probably take a full saturday to get it done.

    Your gonna need make a SST tool to get the crank pulley off. And be sure to torque everything back to OEM spec.

    Just do a quick google search and you'll find everything you'll need to know.
     
  13. Oct 9, 2009 at 6:27 PM
    #13
    tacotopher

    tacotopher Well-Known Member

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    Thanks for getting me on the right path. Google has answers to everything...
     
  14. Oct 9, 2009 at 10:46 PM
    #14
    glwood6

    glwood6 Well-Known Member

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    So even though his truck only has 17500 miles on it, you're saying to change the timing belt because of the time it's been on the truck? Does the material the belt is made of simply degrade over time and need replacing, regardless of the mileage?
     
  15. Oct 10, 2009 at 6:13 AM
    #15
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Its a rubber belt....Much like tires. Yes, the belt can degrade over time.
     
  16. Oct 10, 2009 at 6:37 AM
    #16
    bawilson21

    bawilson21 Well-Known Member

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    Yea, thats something Ive been meaning to do. I think Id like to try and attempt it myself. Does anyone have the Toyota Service Manual regarding this?
     
  17. Oct 10, 2009 at 7:30 AM
    #17
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Here you go. :) (there are 3 seperate ones to help ya)
     
  18. Oct 10, 2009 at 8:08 AM
    #18
    bawilson21

    bawilson21 Well-Known Member

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    Chris.... Thank you. Once again, you've proven to be awesome!
     
  19. Oct 10, 2009 at 8:08 AM
    #19
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Glad to help. :)
     
  20. Oct 10, 2009 at 10:12 PM
    #20
    tacotopher

    tacotopher Well-Known Member

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    I just read thru that manual. NO way in hell i could do that with my knowledge!
     
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