DIY: Clean your throttle bodies

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  #46  
Old 03-16-2010, 06:34 PM
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Glad it worked for you you should see the dirt that came out of my dad's '02 pathfinder (160K miles). I had to use 3 shop towels and a full can of TB cleaner lol.

As for the hex bolts, the FSM says 75ft-lb of torque.
 
  #47  
Old 03-16-2010, 06:45 PM
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^WOW 75ft-lb! in that case i might have under tightened em lol. ill check em tonite for sure. Thanks again!
 
  #48  
Old 03-16-2010, 07:24 PM
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Yeah it does sound high but that's what it says.

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How can you measure the torque on a hex bolt anyway? I just tightened it really good.
 
  #49  
Old 03-16-2010, 07:49 PM
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well i just have a small torque wrench on which i can use hex key attachments and torque it down. But ya i also tightened it real good, i am more worried about having it overtightened and crack the plastic plenum some how. I know not really possible unless the bolts are REALLY overtightened but ill check just to be sure.

Thanks again!
 
  #50  
Old 03-16-2010, 08:07 PM
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Thanks for the DIY need to mine soon
 
  #51  
Old 03-17-2010, 08:20 AM
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Don't over tight them and break something, as long as they're fit and secure, no need to do 75lb of torque, 75lb torque is just TOO much for a small hex bolt, i think they're 7 or 8 lb torque.
 
  #52  
Old 03-17-2010, 09:40 AM
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^ thats what i thought too 75lbs is crazy considering that our wheels are torques down to 80ftlbs, i tightened mine good but not too much to cause any cracks. Thanks for the update though i still wonder why they would have the wrong numbers on the pdf...
 
  #53  
Old 03-17-2010, 10:48 AM
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how the hell does someone measure torque settings on these small Hex screws?

all I've got is a huge *** torque wrench I don't see how I can attach a small Hex tool to the end to measure the TQ, how did u do it Kool Yaar?

and WTH is Kool Yaar anyway? is it like saying cool yah just in a funny accent?
 
  #54  
Old 03-17-2010, 10:49 AM
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mine were super tight from factory I actually stripped out one of the screws. Had to drill off the head and take off the remaining threaded shaft.
 
  #55  
Old 03-17-2010, 11:03 AM
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yeah that's what I'm scared of, I don't think I'll be removing my screws, I think I'll just do it from the outside in through the butterfly valve thingy
 
  #56  
Old 03-17-2010, 01:21 PM
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Mine was ok, even a friend of mine car was ok, so i think you should do it, just treat those screws like treating a little baby girl, and it should come out easily, don't worry.
 
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Old 03-17-2010, 01:30 PM
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did u guys change the O-ring as well?
 
  #58  
Old 03-17-2010, 01:48 PM
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8.43 (0.86, 75) --- Even though the last number SHOULD refer to ft/lb (as it usually does in the factory service manual), I'm sure this was a mistake and it actually meant to say to in/lb. Roughly speaking, 8.43Nm = 0.86kg/m = 75in/lb = 6ft/lb.

That small screw was NOT made for 75ft/lb of torque. LOL Heck, our lug nuts are 80ft/lb!!
 
  #59  
Old 03-17-2010, 02:28 PM
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^ +1 when i got my small torque wrench yesterday i saw the reading were in in/lb so i figured the PDF meant 75in/lb so i tightened mine to 75in/lb yesterday, i was about to post that today.

@Defratos I have a tool similar to this but much cheaper, it is used for such small torquing needs.
 

Last edited by kool_yaar; 03-18-2010 at 01:55 AM.
  #60  
Old 03-17-2010, 04:26 PM
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Defratos, you shouldn't need to change them, especially if you're under 100K miles. BTW, cleaning behind the valve without taking out the TB will not be as effective and you'll still have a lot of dirt left. I tried it.
 


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