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Have a 5VZ-FE,2RZ-FE or 3RZ-FE that needs a valve adjustment?

Discussion in '1st Gen. Tacomas' started by RGosen, Mar 13, 2013.

  1. Mar 13, 2013 at 3:54 PM
    #1
    RGosen

    RGosen [OP] Well-Known Member

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    Christ would now agree, don't get yourself nailed to a tree
    Kamloops B,C CANADA
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    Cold air intake
    Have a 5VZ-FE,2RZ-FE or 3RZ-FE that needs a valve adjustment? Has anyone ever cracked a head due to the valve adjustment being out on the above motors ? I am really getting tired of reading more and more things about these trucks that need to be done lol
     
  2. Mar 13, 2013 at 4:02 PM
    #2
    MapleMoose

    MapleMoose Drunk Canadian

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    Nope i have not heard that. These engines are great. Only engine that has been known to have issues is the 3.0L V6.

    Whats the problem?
     
  3. Mar 13, 2013 at 4:10 PM
    #3
    ToyoTaco02

    ToyoTaco02 Well-Known Member

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    It depends how much mileage is on it but since I passed 100,000 miles on my 3rz, I take my truck in and get my valve clearances checked every 25,000 miles. I now have 162,000 miles and I still haven't had to have the shims changed out. If you do some research there are some stories out there about burnt valves on some engines that go unchecked.
     
  4. Mar 13, 2013 at 4:17 PM
    #4
    RGosen

    RGosen [OP] Well-Known Member

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    Cold air intake

    Oh I am just having a idle problem once warmed up it will go from under 800 rpms and then rev up to about 1200 and then back to about 800 over and over every 10 seconds. And the idle has never been all that good it has an erratic idle you can feel when it goes below the 1000 rpms. and so I started looking and reading and keep coming across things that need to be done to these motors such as the valve hight or it can crack your block and ruin your motor and im just getting fkustered about all the things these motors need. But that is my known issue is the idle issue I cant tell about the valves
     
  5. Mar 13, 2013 at 4:22 PM
    #5
    RGosen

    RGosen [OP] Well-Known Member

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    Just what I was not wanting to do lol what did it cost you to get them checked ?
     
  6. Mar 13, 2013 at 6:20 PM
    #6
    ToyoTaco02

    ToyoTaco02 Well-Known Member

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    I took mine to the dealership and I think it was around $150 or so. I also had a new valve cover gasket put on at the same time. If you have a mechanic you trust use them. I've heard it isn't that hard to do.
     
  7. Mar 13, 2013 at 6:23 PM
    #7
    ToyoTaco02

    ToyoTaco02 Well-Known Member

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    You might want to check your throttle position sensor or your idle air control valve. Also when was the last time hour MAF sensor was cleaned? Have you changed spark plugs? Start with the simple things first.
     
  8. Mar 13, 2013 at 11:29 PM
    #8
    RGosen

    RGosen [OP] Well-Known Member

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    Cold air intake

    Oh ok I may get it checked at the dealers, as I have pretty well done everything els but that and the rotors on the thing lol I will have to start with the simple things as you say for the idle issue.
     
  9. Mar 17, 2013 at 11:27 PM
    #9
    RGosen

    RGosen [OP] Well-Known Member

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    Wow out of everyone on here no one has done the valve adjustment on any of these motors and have high kms and they are still running strong ? I am starting to think there is no need to spend the cash to get them checked even.
     
  10. Mar 18, 2013 at 7:43 AM
    #10
    DblCabMN

    DblCabMN Well-Known Member

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    Just go by KISS - Keep it simple, stupid. (For the record, i'm not calling you stupid...)

    Start with the small things mentioned above. Also, look at your valve covers/Cyl heads, Are you leaking oil slowly? No need to dig in that deep until you've changed the easy/cheap stuff and verified you have other gremlins.
     
  11. Mar 18, 2013 at 8:23 PM
    #11
    RGosen

    RGosen [OP] Well-Known Member

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    Ok I got ya lol
    Nope not even leaking on the valve cover. So guess I will wait till I need something els to do with the top end needed if that ever happens :D
     
  12. Mar 19, 2013 at 5:18 PM
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    n0ms

    n0ms Well-Known Member

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    I'm at 168ish and haven't checked my valves. I'll check them at 180.
     
  13. Mar 19, 2013 at 5:24 PM
    #13
    2000GTacoma

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    My dad has 333,xxx miles on his 02 doublecab 3.4 v6. Never done a thing to it other than keep the fluids and filters changed.
     
  14. Mar 19, 2013 at 6:00 PM
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    Supra TT

    Supra TT Solid Axle FTMFW!!

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    I've read on ttora that you should at least check the 3rz. They are known to need them supposedly.. I haven't checked mine ever, and I fear it every time I start it something will happen. I am going to check them this year tho... 165k miles.
     
  15. Mar 19, 2013 at 6:06 PM
    #15
    RGosen

    RGosen [OP] Well-Known Member

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    hmm so its the one we have then lol the 3rz damn guess I will have to as well:mad:
     
  16. Mar 19, 2013 at 6:14 PM
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    ToyoTaco02

    ToyoTaco02 Well-Known Member

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    I've had mine checked at 125,000 and at 150,000. The last time I went Toyota told me to come back at 175,000 for an adjustment. They said I didn't need one yet but a couple of them are getting close. Even though they told me I don't need one yet I get really nervous about it every time I read a horror story about them on ttora. FYI I'm at 163,xxx miles.
     
  17. Mar 19, 2013 at 8:47 PM
    #17
    RGosen

    RGosen [OP] Well-Known Member

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    Ok yea im the same way. I am always worried about something not being right as I have replaced all the major things on this truck and spent so much money I really dont want something els major to go wrong lol
     
  18. Mar 19, 2013 at 8:54 PM
    #18
    joes06tacoma

    joes06tacoma Well-Known Member

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    One of our company trucks with the 2RZ burned a valve due to the valve clearance tightening up. IIRC, it was an 01 with 125K on it. I read up on it at the time, and remember something about it being common on one or two years of production. Bad batch of valves?

    Never heard of it on a V6, but my mechanic, who is Toyota factory trained and has made a career of Toyota vehicles for a few decades now said they should be checked, and it's not impossible for one to need an adjustment. He also said it didn't need to be done until well over 100K. My boss had a 4Runner with the 3.4 and had his checked at 150K and it was fine. Sold it at 180K and still running perfect.

    Miss my 86 with the 22R engine. Flathead screwdriver and a 12MM wrench to adjust the valves. Took maybe a half an hour. It was so simple that it just got done when I thought of it, it wasn't worth putting it off.
     
    Last edited: Mar 19, 2013
  19. Mar 19, 2013 at 9:01 PM
    #19
    joes06tacoma

    joes06tacoma Well-Known Member

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    If it starts to idle just a tiny bit rough, take it in! If you wait, or try using fuel injector cleaner or anything like that, it will bite you in the ass.
     
  20. Mar 19, 2013 at 9:14 PM
    #20
    RGosen

    RGosen [OP] Well-Known Member

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    Cold air intake
    Mine is idling a bit ruff and I tried cleaning maff and changed filters and nothing has helped..Guess maybe I better go spend another few hundred on this damn thing lol
     
    Last edited: Mar 19, 2013
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