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Loud rattleing sound from right side of the motor

Discussion in '1st Gen. Tacomas (1995-2004)' started by 1999tacotrd, Jun 9, 2009.

  1. Jun 9, 2009 at 7:02 PM
    #1
    1999tacotrd

    #1
    1999tacotrd [OP] 1999 Taco TRD xtracab 3.4 V6 4x4

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    Hi i have this rattleing sound from the right side of the motor the side with the altanator on it. First i thought it was the timming idler pullys which i change because they where bad but that was'nt the problem. I can start the truck up and idle and it wont do it but when i drive it a about 30 secs after take off then it starts up rattleing.

    So i pulled all the belts off and rule that out as a problem.
    I just did a transmission swap so thats not the problem eather
    Surely if it was in the motor which i dont see how it would do it all the time and not only while driveing. or would it?

    any one have any ideas that would help alot. I have'nt changed the water pump but surely if a bad water pump water would be shotting out.
     
    1999tacotrd, Jun 9, 2009
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  2. Jun 9, 2009 at 7:22 PM
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    98tacoma27

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    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    What motor do you have?
     
    98tacoma27, Jun 9, 2009
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  3. Jun 9, 2009 at 7:38 PM
    #3
    1999tacotrd

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    1999tacotrd [OP] 1999 Taco TRD xtracab 3.4 V6 4x4

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    3.4 v6
     
    1999tacotrd, Jun 9, 2009
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  4. Jun 9, 2009 at 7:41 PM
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    98tacoma27

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    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    Are the exhaust shrouds loose?
     
    98tacoma27, Jun 9, 2009
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  5. Jun 9, 2009 at 7:58 PM
    #5
    1999tacotrd

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    1999tacotrd [OP] 1999 Taco TRD xtracab 3.4 V6 4x4

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    Just checked no lose shroud. it sounds like a bearing rattling but I'm clueless to what bearing could be rattling.
     
    1999tacotrd, Jun 9, 2009
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  6. Jun 9, 2009 at 8:06 PM
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    98tacoma27

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    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    I would check the water pump. A bad bearing won't necessarily cause water to shoot out. Remove the belt so you can turn it by hand. Turn it slow. It should feel smooth (I am sure you know this). If you feel tight spots then the bearing is shot.
     
    98tacoma27, Jun 9, 2009
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  7. Jun 9, 2009 at 8:14 PM
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    1999tacotrd

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    1999tacotrd [OP] 1999 Taco TRD xtracab 3.4 V6 4x4

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    If the bearing was out in the water pump then wouldn't it make the sound all the time even at idle since its turning.
     
    1999tacotrd, Jun 9, 2009
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  8. Jun 9, 2009 at 8:16 PM
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    tacomaman06

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    tacomaman06 Carolina Alliance: Enforcer

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    getting there....
    its a possibility,since its not under a real load while in idle.
     
    tacomaman06, Jun 9, 2009
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  9. Jun 16, 2009 at 12:47 PM
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    1999tacotrd

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    1999tacotrd [OP] 1999 Taco TRD xtracab 3.4 V6 4x4

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    well the water pump looks fine i spin it it spins smothly no noise or rubbing so it must be something inside the motor :mad: maybe oil pump or some stupid bearings on the inside of the motor. looks like i will just have to sale it and take my loss's on it :(

    its odd though cause it dose'nt do it till i start driveing it it dose'nt do it at idel so u would'nt think it was something in the motor but who knows.

    any ideas?
     
    1999tacotrd, Jun 16, 2009
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  10. Jun 16, 2009 at 1:28 PM
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    98tacoma27

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    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    Does it sound like top end or bottom end? If you have a stethoscope, it would help to indentify exactly where this noise is coming from.
     
    98tacoma27, Jun 16, 2009
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  11. Jun 16, 2009 at 1:40 PM
    #11
    1999tacotrd

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    1999tacotrd [OP] 1999 Taco TRD xtracab 3.4 V6 4x4

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    sounds like its from the top end
     
    1999tacotrd, Jun 16, 2009
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  12. Jun 16, 2009 at 6:46 PM
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    98tacoma27

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    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    If you are sure it is internal and in the top end, you can take the valve covers off and inspect. It's a good starting spot. You have eliminated all the external possibilities like the pulleys and such?
     
    98tacoma27, Jun 16, 2009
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  13. Jun 16, 2009 at 7:52 PM
    #13
    1999tacotrd

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    1999tacotrd [OP] 1999 Taco TRD xtracab 3.4 V6 4x4

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    Well i drove it around for a test drive w/o the fan,belts and balancer with teh trimming belt exposed and it seems the sound was coming from the front driver side break shield :) so tomorrow im removeing that shiled all togather and see if it fixs it.
     
    1999tacotrd, Jun 16, 2009
    #13
  14. Jun 16, 2009 at 7:54 PM
    #14
    98tacoma27

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    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    Thats good to hear. I really am doubting it is the motor.
     
    98tacoma27, Jun 16, 2009
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  15. Jun 16, 2009 at 8:56 PM
    #15
    1999tacotrd

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    1999tacotrd [OP] 1999 Taco TRD xtracab 3.4 V6 4x4

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    yeah cause if it was it would do it all the time not just when its driving.
     
    1999tacotrd, Jun 16, 2009
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  16. Jun 16, 2009 at 9:19 PM
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    magikbean562

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    magikbean562 once flirted with danger, danger got clingy

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    i had some rattling the last few days from my right side too. turns out it was a broken tab for the windshiled washer reservoir:p good luck man:thumbsup:
     
    magikbean562, Jun 16, 2009
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