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breaking timing belt hurts engine?

Discussion in '1st Gen. Tacomas (1995-2004)' started by trailinTaco, Nov 27, 2008.

  1. Nov 27, 2008 at 3:46 PM
    #1
    trailinTaco

    trailinTaco [OP] Well-Known Member

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    i have a 2000 toyota tacoma with a 3.4L. i have 102,000 miles on it and ive heard that you have to replace your timing belt at 90,000. does anyone know if on this vehicle when the timing belt breaks if it hurts your engine?
     
  2. Nov 27, 2008 at 4:41 PM
    #2
    sonjay

    sonjay Well-Known Member

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    if the timing belt breaks it is definitely not good for your engine, weird things happen, valves hitting pistons for one. Im not sure at what milage to replace them?
     
  3. Nov 27, 2008 at 4:52 PM
    #3
    Ridgerunner

    Ridgerunner Well-Known Member

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    You gotta get that done NOW. That belt breaking means the top and bottom of the motor flying out of sync and motor parts colliding as said by sonjay! THAT is the one replacement not to be cheap about or gamble with.
     
  4. Nov 27, 2008 at 4:58 PM
    #4
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Whoa!!! The Tacomas 3.4 engine is a NON interferance engine. If the timing belt breaks, the engine will simply stop running. Nothing will be destroyed, and no valves are going to hit the pistons.
     
  5. Nov 27, 2008 at 5:03 PM
    #5
    Ridgerunner

    Ridgerunner Well-Known Member

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    Sorry for the mistake and thank you Chris for the correction:eek:-I assumed from my Honda days.
     
  6. Nov 27, 2008 at 5:04 PM
    #6
    ForeRunner

    ForeRunner Scotch before noon. Moderator

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    Interference engine: When belt breaks valves can occupy same space as piston, equals bad.

    Non Interference engine. When belt breaks valves do not occupy same space as pistons. Not bad other than engine does not run.
     
  7. Nov 27, 2008 at 5:08 PM
    #7
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Its ok, Buddy. ALOT of people think that if a belt breaks, their engine is shot, and if its an iterferance engine, its a BIG dollar repair, as in, best case, valves need to be redone, worst case, valves, and pistons, + more. Always better to be safe. :)
     
  8. Nov 27, 2008 at 6:51 PM
    #8
    Monkeysuncle

    Monkeysuncle My Cat's breath Smells like Cat Food

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    I bought my 1999 Tacoma 3 years ago, with 56,000 miles. Had some extra cash at the time and did the belt, water pump, cam seals. Turns out the Water Pump was showing signs of wear by leaking at the weap hole in the h2o pump. So a good find, also it's a good idea to change your coolant often, I do mine once a year, it helps keep galvanic corrosion to a minimum( Steel Block Aluminum Heads) the dissimilar metals in contact will actually cause corrosion in the aluminum heads...='s bad water passages in the head.
     
  9. Nov 27, 2008 at 8:13 PM
    #9
    humanoid

    humanoid bite me

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    FYI to all, timing belt needs to be replaced at 90K miles, not 100K, RTFM.
     
  10. Nov 28, 2008 at 5:44 AM
    #10
    Janster

    Janster Old & Forgetful

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    On 1st or 2nd gens?
    I had a 96 3.4L and the timing belt was recommended to be changed at 60K miles.
     
  11. Nov 28, 2008 at 5:47 AM
    #11
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    It would only be on the first gens., as the second gens have a chain. ;)
     
  12. Nov 28, 2008 at 6:26 AM
    #12
    Ridgerunner

    Ridgerunner Well-Known Member

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    The later '98s-'04s say 90,000 miles. Interesting thing is I googled "3.4 timing belt breaks" and there's a few sites that claim "serious engine damage will occur"...WIKI answers even said the 3.4 is an "interference engine" which I know is totally wrong now. So I feel better knowing I aint the only one who foibled on this one:D
     
  13. Nov 28, 2008 at 7:40 AM
    #13
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    LOL, well, they also say it has a timing chain AND a belt. LMAO!
     
  14. Nov 28, 2008 at 10:56 AM
    #14
    sonjay

    sonjay Well-Known Member

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    wow you learn something everyday, thanks chris for the info! I like that toyota went back to a chain on the 2nd gens too!!
     
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