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Timing chain slapping

Discussion in '2nd Gen. Tacomas (2005-2015)' started by forsaken1963, Sep 26, 2018.

  1. Sep 26, 2018 at 12:34 PM
    #1
    forsaken1963

    forsaken1963 [OP] Member

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    loud knocking at front of motor (2.7 vvt-i dohc), also it had a very loud squal when i crunk it up before i took off the vavle cover. dont know where it was coming from, thought it might have been a cam bearing. pulled vavle cover and found the top timing chain guide was grooved and eat up. the timing chain tensioner is not keeping pressure on the guide where it rides. i have not worked on any newer toyota tacomas before any suggestions would be great for taking off the timing cover and anything else that might make this easyier. thank you in advance for any helpful info i can get on this repair.
     
  2. Sep 26, 2018 at 12:35 PM
    #2
    Matmo215

    Matmo215 Well-Known Member

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    Pics would help see what the problem is specifically
     
  3. Sep 26, 2018 at 1:06 PM
    #3
    forsaken1963

    forsaken1963 [OP] Member

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    Will get this to my son in-law so he can post pics, it's his truck I'm just trying to help him. Thank you
     
  4. Sep 26, 2018 at 1:21 PM
    #4
    forsaken1963

    forsaken1963 [OP] Member

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  5. Sep 26, 2018 at 1:23 PM
    #5
    forsaken1963

    forsaken1963 [OP] Member

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  6. Sep 27, 2018 at 5:16 AM
    #6
    98tacoma27

    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    Wow, there should be a plastic backer on that. Definitely time for replacement.

    [​IMG]
     
  7. Sep 27, 2018 at 6:50 AM
    #7
    forsaken1963

    forsaken1963 [OP] Member

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    Where did you find that kit at
     
  8. Sep 27, 2018 at 7:47 AM
    #8
    98tacoma27

    98tacoma27 is going full "SANDWICH" Moderator

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  9. Sep 27, 2018 at 7:49 AM
    #9
    98tacoma27

    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    Here's another code in case that one doesn't work.

    9240289386872773

    upload_2018-9-27_10-49-18.jpg
     
    Turbomeister and BassAckwards like this.
  10. Sep 27, 2018 at 9:23 AM
    #10
    kidthatsirish

    kidthatsirish Well-Known Member

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    Awesome CB setup, TRD leaf springs, matching camper shell...more to come some day.
    What kind of oil and filters are you using....I'm trying to decide if it's really dirty or if it's just the lighting in the pic.
     
  11. Oct 3, 2018 at 6:20 AM
    #11
    forsaken1963

    forsaken1963 [OP] Member

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    Got the timing done and now it sounds like a lifter or rod is knocking, what is the compression on each cylinder or any ideals on what this new issue maybe and thank everyone for their help.
     
  12. Oct 3, 2018 at 6:55 AM
    #12
    98tacoma27

    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
  13. Oct 3, 2018 at 6:57 AM
    #13
    b_r_o

    b_r_o Sunday in the park

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    Does it have oil in it?
     
  14. Oct 3, 2018 at 7:43 AM
    #14
    forsaken1963

    forsaken1963 [OP] Member

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    LOL yes it has oil in it. There is not any blow by around the vavle hides, plenty of oil pressure so I'm checking the compression to make sure not any problems there
     
    b_r_o likes this.
  15. May 5, 2019 at 4:07 AM
    #15
    Hilux2TR

    Hilux2TR New Member

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    Did you ever figure out what the problem was? My engine has a loud knock, I'm hoping its timing chain/tensioner related but wont know until i pull it apart.
     
  16. May 5, 2019 at 5:50 AM
    #16
    winkel

    winkel Well-Known Member

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    I actually thought just the opposite. I figure that engine has some miles on it and thought it looked pretty clean. I was looking for scoring on the cams, but couldn't see any. Of course, the pictures weren't taken with that in mind so it's kind of hard to tell.

    That engine looks clean to me, when you consider.....
     

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