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Old 07-29-2003, 08:17 PM #16
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Good question, you have a 2nd generation 4Runner, 90-95. The 1st generation 4Runner had a removable top. The newest one (03) is a foruth generation. Here is a site for some more history.

http://www.top4runners.com/ja/runhist.html
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Old 08-08-2003, 09:11 AM #17
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Made this mod last night in very short order. Good Times found an excellent place to run the breather; up into the gas intake area. Thanks for the posts and the pics!

Hey Thai, when you say 27" water forging depth, is that the height of the breather? What else is there to consider when entering 2' of water?
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Old 08-08-2003, 02:07 PM #18
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Well, you have to think about the breather hole/tube for the automatic transmission. I know that, in the 3rd gen 4runner, the front diff and transmission breather tube can be seen in the engine bay (driver's side of the engine). The other thing to look at is the height of the air intake for your engine.

For my 3rd gen 4runner, it is about 27". I am not sure about the 4th gen 4runners. I tried to find the breather tubes for the front diff and transmission, but i had no luck...honestly, i did not look too hard for them though.
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Old 08-08-2003, 06:52 PM #19
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Quote:
Originally posted by Thai
I am not sure about the 4th gen 4runners. I tried to find the breather tubes for the front diff and transmission, but i had no luck...honestly, i did not look too hard for them though.
Thai, I believe they are also in the engine bay on the driver side. Mine's still at the shop having rattles fixed so I can't say for certain.
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Old 10-26-2003, 11:57 AM #20
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When they're talking about "generations" they just mean how many times the 4Runner has been redesigned.

The 1st Gen 4Runner was a pickup truck with a bed housing on the back (my uncle still has one....older than me, I'm tempted to think). I'm not quite sure which was the last year to be considered 1st generation.

2nd Gen 4Runners made the move from enclosed pickup to more traditional SUV style (though I'm not sure which year). If your runner is a '92, that sounds 2nd gen to me (someone please correct me if I'm wrong)

3rd Gen was a redesigned 4Runner that save more refinement of the truck (I wish I knew more about 2nd to 3rd gen improvements...)

4th Gen started with the 2003 model. Toyota once again completely redesigned the truck from the ground up and added the V6 option. Pretty much everything is different on the inside and outside save the general body style.

I'm new to the forum as well, so if anyone would care to doublecheck my work, please do so and post any corrections so that I'll know for the future...Thanks!!
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Old 10-26-2003, 12:24 PM #21
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Quote:
Originally posted by Goose
When they're talking about "generations" they just mean how many times the 4Runner has been redesigned.

I'm new to the forum as well, so if anyone would care to doublecheck my work, please do so and post any corrections so that I'll know for the future...Thanks!!
Goose, you did pretty good.

http://www.toyota-4runner.org/showth...?threadid=1091
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Old 04-01-2004, 12:41 PM #22
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Quote:
Originally posted by Thai
The two main parts from Toyota are:

1. 90404-51319 Union
2. 90930-03136 Plug, breather

Should not cost you more than $15 bucks.
If any Canucks are wondering, Toyota Canada wanted $11.20 and $5.10 respectively for those 2 parts.
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Old 05-16-2004, 12:36 AM #23
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Thanks Thai and Lance. Here's a pic of the new breather location.
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Old 06-22-2004, 01:30 PM #24
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Can someone that a pic of the one that is under the hood? I pulled on something that looked like that on the drivers side thinking it might have been the oil dipstick. Obviously it wasn't and it did not move.

Thanks.
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Old 06-22-2004, 01:35 PM #25
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Quote:
Originally posted by slyangel9
Can someone that a pic of the one that is under the hood? I pulled on something that looked like that on the drivers side thinking it might have been the oil dipstick. Obviously it wasn't and it did not move.

Thanks.
I'm going by memory ... See the do-hicky to the left of my gas cap? That's what you're looking for.

Open your hood. Stand on the drivers side mid-span of your fender. Peer in engine bay ... about 1 foot in, between engine and the brake fluid compartment (I think), you should see the same device sticking up.

If I remember, I'll take a pic this evening and post it.
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Old 08-27-2004, 02:34 PM #26
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I did the install the other night. Simple and straitght forward. You'll find the other two breathers on the drivers side by the battery. Look for the silver caps, it's there...
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Old 06-05-2005, 11:47 PM #27
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Thumbs up

I did this mod to my truck with a few minor differences, so I'll throw in my two cents.


Upon removing the breather from my rear differential, a hissing sound (not unlike that of a bottle of soda being opened slowly) and a whole bunch of gunk ground off into my eyes (looking up, being directly under my work area, not wearing glasses, and doing it at night while trying to hold a flashlight would maximize the hilarity of this story, but I'd like to save my dignity so we'll leave that part out.)

Instead of using a modified nipple (haha... nipple) to connect the hose to the differential, I went to my dealership and got a replacement and used a screwdriver and plyers to rip the breather's cap off, leaving the necessary room to attach the hose and clamp it down.

Also, instead of using another stock breather at the breathing end of the hose, I used a small fuel filter (Fram G3 generic) and just zip-tied it on the backside of the fuel spout. I saw this filter used in another mod guide and figured that would work better (still looks cool too).


What my advice to people would be is to make sure that your new breather hose DOES NOT touch the exhaust!!! (smells bad and you have to buy more hose) Find another zip-tie attachment point (brake line probably not the best idea either; use your judgement, and ask someone here if your not sure) and make sure that you still have enough slack to compensate for travel during articulation, or the hose will get ripped off on your first bump (and we don't want that do we).

Like the other people said, this is mostly just a profilactic and doesn't give you any acute benifits, but I still believe that a quick and inexpensive mod like this, which gives you the chance to work on your own ride, makes you feel likes the car is more yours and you get the expierence of wrenching (something I find theraputic).

Very easy to do, takes very little time, very little money, and can prevent problems that might occur down the trail.

HIGHLY RECOMMENDED! for all expierence levels (trust me, its hard to screw this up)
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Old 06-23-2005, 05:05 PM #28
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I was afraid of it getting gas into the line, and I read another thread where the breather was placed next to the gas fill tube, and it did not operate correctly because the cap was lodged against the tube as well. So, I ran mine up through the back light area and then into my storage area that holds the jack and tool kit. I found a rubber gasket that goes into this area from under the truck and cut a hole in it just a little smaller than my tubing, so that it was water tight when installed. I know that this is a little more tubing, but it's a lot cleaner in both looks and dirt, plus the wife won't ***** about you drilling holes into the truck every chance she gets. If I ever get enough water in that thing to get to the vent, then I've got bigger problems on my hands then worrying about the dif.

It was a fun and easy mod, and cheap to.
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Old 08-01-2005, 08:44 AM #29
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New Breather Valve Faulty?

I got my breather from Toyota and the metal cap on top does not move freely like the others??? You actually have to pull on it to open and then puch it back to close or it just sticks. Also, air flows both ways through it.....Is this normal?
One other thing, it is only 5/16 instead of 3/8 where the hose should connect; not a tight fit at all. I would think I have the wrong one.
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Old 08-18-2005, 01:30 PM #30
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Fill me in on the cladding and also the mod on the front license plate. Also, what do they mean by rear license plate garnish?
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