Manual Tranny Breather - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 20 Old 10-14-2010, 03:32 PM Thread Starter
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Manual Tranny Breather

After I got about 1 gallon of water in the tranny... I figured I need to extend the breather. Also using TKOB's write-up extend all you other breathers people!!!

I got this idea from Bubba2U and think his idea is better... but I figured I'd show more pix and show how lazy people do shit...

here is Bubba's write-up...
https://www.jkowners.com/forum/showthread.php?t=27213


Step 1

Take your shifter knob off. This is easy... pull on it hard and as you pull wiggle it... it should pop off.

Step 2

Take your shifter boot off... again, very easy. Pull it up from the side closest to the cupholders.

Step 3

Take off the second shifter boot... the same way you did the first.


Step 4

Carefully undo the foam closer to the driver side (see second pic below).



Step 5
See the BLACK PLUG right outside the upper left corner of the circle????



Take it off. I used pliers.



Step 6

Need to put a small piece of 1/2" fuel line on the plug (your breather). It is very tight in there and I was not able to use a ziptie... so I crazy glued the fuel line to the breather.



Step 7

Take a universal fitting (pic below) to convert the 1/2" hose to a hose of your choosing... I used 3/8" fuel line.



Dont forget to use zipties!!



Step 8

Cut a hole in the first shifter boot for the plug... then put it back on. As you see in the pic below... you need to insert the tabs to put it back on...



Step 9

Put your 3/8" line into the fitting and extend it where-ever you need to



Step 10

Put the second shifter boot back on and the shifter handle


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post #2 of 20 Old 10-14-2010, 03:32 PM Thread Starter
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I extended the breather under the passanger dash and around the side dash and the plastic windshield pieces...


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post #3 of 20 Old 10-14-2010, 03:46 PM
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Hmm thanks for the info. Will have to get to that.

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post #4 of 20 Old 10-15-2010, 03:06 AM
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Because I already have about 200 links to various things on JKO that I want to do, I'm going to just start tagging threads with words which will come up in future searches: waterproofing manual transmission

Thanks OlegRock!

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post #5 of 20 Old 10-15-2010, 07:23 AM
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sweet!
Great pictures!

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post #6 of 20 Old 10-15-2010, 11:35 AM
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Very good to know. I was just always told the manual tranny had no breather.
What are the red hex heads I see around the shifter bezel. The dealer took mine off one day and it never stays put ever since then.
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post #7 of 20 Old 10-18-2010, 08:58 AM Thread Starter
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Quote:
Originally Posted by BadAssJK View Post
Very good to know. I was just always told the manual tranny had no breather.
What are the red hex heads I see around the shifter bezel. The dealer took mine off one day and it never stays put ever since then.
I put nuts and bolts there because the boot tends to come apart so this holds it better.

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post #8 of 20 Old 12-07-2010, 01:59 AM
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Hate to pull up an old thread, but dont want to post a new one. Will this make it so i can comfortably press the clutch in while underwater??

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post #9 of 20 Old 12-07-2010, 02:09 AM
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Cool writeup!
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post #10 of 20 Old 12-09-2010, 03:32 PM
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Quote:
Originally Posted by OlegRock View Post
I put nuts and bolts there because the boot tends to come apart so this holds it better.
Is that a filter up on the right side?


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post #11 of 20 Old 12-09-2010, 04:07 PM
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Quote:
Originally Posted by AndrewCote View Post
Hate to pull up an old thread, but dont want to post a new one. Will this make it so i can comfortably press the clutch in while underwater??
No. There are vents of sorts on the trans housing underneath the body. No matter what, never press the clutch pedal while submerged


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post #12 of 20 Old 12-09-2010, 04:50 PM Thread Starter
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Quote:
Originally Posted by 2010jk View Post
Is that a filter up on the right side?
you mean in the last pick?? Then yes.... thats where I extended the breather to and put a filter there for the breather.

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post #13 of 20 Old 12-09-2010, 05:20 PM
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thanks man, and nice wright up to, I am going to have to do this.


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post #14 of 20 Old 12-18-2010, 12:13 AM
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Quote:
Originally Posted by paramaniac View Post
No. There are vents of sorts on the trans housing underneath the body. No matter what, never press the clutch pedal while submerged
then why do this?

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post #15 of 20 Old 12-18-2010, 07:42 AM Thread Starter
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Quote:
Originally Posted by AndrewCote View Post
then why do this?
this is so your tranny fluid doesnt get water in it when your under water.

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post #16 of 20 Old 12-18-2010, 08:37 AM
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Quote:
Originally Posted by OlegRock View Post
this is so your tranny fluid doesnt get water in it when your under water.
Pressing the clutch while submerged allows water into the clutch assembly via those vents. Apparently someone had some sort of brain fart while designing this

This mod will prevent water from entering your gear box and mixing with the trans oil causing a milky non-lubricating mess


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post #17 of 20 Old 12-18-2010, 12:41 PM
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<Stupid Question> How does replacing a rubber plug with a hose make it more waterproof? Does water get past that plug? </Stupid Question>

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post #18 of 20 Old 12-18-2010, 12:52 PM Thread Starter
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Quote:
Originally Posted by RubiZealot View Post
<Stupid Question> How does replacing a rubber plug with a hose make it more waterproof? Does water get past that plug? </Stupid Question>
The rubber plug is the breather. So if water is above that breather then water can and will get into your tranny fluid.

I replaced it with a hose and routed the hose. If you see post #2... NOW the breather is almost the same hight as my roof. So now the only way water is getting in the tranny if is I'm below water past that breather (at the passanger side windshield frame).

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post #19 of 20 Old 12-18-2010, 01:40 PM
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hrm. I'll have to do this. I raised all my other tubes using the RR kit. I guess I can tap into that. Do you smell any difference with the vent now in your passenger compartment?

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post #20 of 20 Old 12-18-2010, 01:54 PM Thread Starter
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Quote:
Originally Posted by RubiZealot View Post
hrm. I'll have to do this. I raised all my other tubes using the RR kit. I guess I can tap into that. Do you smell any difference with the vent now in your passenger compartment?

no... but I put on doors once a month... and I don't own a top

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