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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

What do i do?

Old 11-07-2007, 11:46 AM
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What do i do?

so i have pictures of the after-math of the exploding fan.



what is the plastic box on the right with the hole in it? where can i get a new one and how much is it? can i just get rid of it? as much info on this as possible would be a huge help. thanks.
Old 11-07-2007, 11:51 AM
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Its a silencer, ditch it, plug the hole where it was.
Old 11-07-2007, 11:56 AM
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any info on how to do that? what about the hose that seems to be coming from the engine?
Old 11-07-2007, 12:00 PM
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search (here, and on other forums) for ISR Mod. Or Intake Silencer Removal for your vehicle.
Old 11-07-2007, 12:02 PM
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Its there for a reason to connect to your vacuum system.

Although what you can do is change it around a bit for better flow. So a search for the mod I have read it before. It is a bit time consuming but fun to do from what Ive read. Up to you...

I suggest going to a junk yard and pulling a new one.
I cant see you paying more than 20bux for a used one probably less.

Why did you fan explode?? Stick something in there that didn't belong?
Old 11-07-2007, 12:04 PM
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pretty sure the fan blew up because of the freeze what got up here. i think that the plastic got brittle and then just flew to pieces.
Old 11-07-2007, 12:06 PM
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ohhh is that what you remove when you do the isr mod?
Old 11-07-2007, 12:09 PM
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NO!

That's not the intake silencer. It's the resonator for the PAIR reed valve.
http://personal.utulsa.edu/~nathan-b...78pulsedse.pdf

If you run without the resonator you should put a breather on the pipe end and plug the air cleaner box hole.

The ISR mod removes the other box that enters the air cleaner hose after the VAFM and before the TB.

Last edited by MudHippy; 11-07-2007 at 12:37 PM.
Old 11-07-2007, 12:16 PM
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where would i get a breather? is that just the little mini filter thingy that you can buy in the rice section at advanced auto?
Old 11-07-2007, 12:17 PM
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Yep, they call them PCV breathers usually.
Old 11-07-2007, 12:33 PM
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are there any concerns with putting a breather on it? what is the cleaning or maintenance schedule after doing this?
Old 11-07-2007, 12:59 PM
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Yes, I wouldn't do it.

Last edited by MudHippy; 07-02-2011 at 09:05 AM.
Old 11-07-2007, 01:07 PM
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That is very interesting thought you have there.
Sorry to hear about your fan man If you do plug off both let us know how it works out for you. Personally i would like to know maybe i will do it on my truck.

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