DIY: Manual Transmission Fluid/Clutch Fluid change (with pics!)

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Old Feb 21, 2009 | 11:47 PM
  #16  
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Originally Posted by InTgr8r
Not true.
It's not a closed system, it's vented to atmosphere.
The fluid is hygroscopic & takes on moisture.
It's a very good idea to change periodically.
The venting is a pinhole. Contiminated fluid has an obvious tell. it gets cloudy.

If it's clear it's good.
 
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Old Feb 21, 2009 | 11:52 PM
  #17  
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Originally Posted by bythabay
I tried the motive power bleeder on my clutch fluid reservoir a few months ago, and for some reason it just pushed in a bunch of air into the reservoir. I ended-up doing the manual method to get all the air out. Just a warning...
I ended up not using the Motive bleeder for the clutch fluid. The cap kept popping off when I started to pressurize the system.

And yes, you should change your clutch fluid. Brake fluid (clutch fluid) by nature is hygroscopic and absorbs moisture. This will cause the fluid to break down and not perform as well. When the fluid gets very hot the moisture it has absorbed starts to boil. What happens then....rapid expansion and unwanted pressurization in the system. Also, internal corrosion can occur. If you track your car or drive it hard then the fluid will get hot enough for this to occur.
 
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Old Feb 23, 2009 | 11:05 AM
  #18  
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hey twin... under your user name, it's "you're" not "your" .... gonna love my nuts.
 
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Old Feb 23, 2009 | 11:40 AM
  #19  
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Originally Posted by Bigd2k6
hey twin... under your user name, it's "you're" not "your" .... gonna love my nuts.
hah, fixed that one too! That's what I get for being a grammar **** sometimes.

Anyway, you need to go to the Sheriff's event in OKC this April. It's right in your backyard!
 
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Old Feb 23, 2009 | 12:14 PM
  #20  
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are these the same crush washer? because they don't look like the ones you have pictured.. obviously these are uncrushed
 
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Old Feb 23, 2009 | 12:15 PM
  #21  
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Very nice writeup!!!
 
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Old Feb 23, 2009 | 01:12 PM
  #22  
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Originally Posted by twin001
hah, fixed that one too! That's what I get for being a grammar **** sometimes.

Anyway, you need to go to the Sheriff's event in OKC this April. It's right in your backyard!
event looks interesting but honestly i've never tracked the car . i always think i'm gonna wreck it... and i don't have a helmut.
 
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Old Feb 23, 2009 | 01:40 PM
  #23  
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Originally Posted by willthethrill
are these the same crush washer? because they don't look like the ones you have pictured.. obviously these are uncrushed




NOOOOOO, those will not work. Those are for the oil drain plug. The tranny/differential drain plugs are much larger in diameter. You can always re-use the washers but I went ahead and bought new ones.

Bigd2k6, you won't wreck! Also, we'll have plenty of sweaty helmets for you to share!
 
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Old May 11, 2009 | 10:19 PM
  #24  
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recommend posting this video in the first post:

Clutch Fluid Flush/Bleeding
 
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Old May 19, 2009 | 03:14 PM
  #25  
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What brands of diff/mt oil would you recommend and where would be the best place the purchase it?
 
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Old Jun 6, 2009 | 12:41 AM
  #26  
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Amsoil, Redline. Buy them online. Just search Google shopping.
 
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Old Jun 6, 2009 | 03:17 AM
  #27  
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thanks a lot bro, this is exactly the kind of post i was looking for. Hoping to do this week. Once again Great details.
 
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Old Jun 7, 2009 | 05:58 PM
  #28  
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Originally Posted by EncoreCestMoi
for me changing clutch fluid is an only if you really need to thing, not an it's been in there a couple years better change it kinda thing.

Closed system. Unless a seal goes bad and you leak or suck air there is really no reason to change it.
just like any other fluid in your vehicle, it has a service interval.

every other year is generally accepted for hydraulic fluid. (brake, and clutch)
 
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Old Jul 19, 2009 | 04:52 AM
  #29  
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how many pounds did u use to tighten the plugs with the torque wrench?
 
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Old Jul 20, 2009 | 11:20 PM
  #30  
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Service Manual says 25 ft-lb on all the filler and drain plugs for manual trans and diff.

And also, I went to Nissan to get new washers for the plugs and the lady couldn't find them in the system. So she grabbed a service guy and he said they never change them even at the dealer so I just reused them as well.
 
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