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Odd Catch Can / TRD S/C Behavior?

Aspen_S/C

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Hi gang,

I am running a TTC oil catch can on my TRD S/C’d Tacoma. Thus far it has been seemingly great, drain it on a regular schedule. Currently I am on a month long road trip, a few thousand miles. When I installed it, I just extended the PCV line that would otherwise go straight to the S/C to the catch can inlet on top as you do then added line from the side / outlet and sent that to the S/C a the instructions imply.

I used just regular hose to extend the PCV line to the inlet, figured with pressure it would be fine. So lately I have found the hose collapsed on it self, just did when starting up the motor. This is at a considerably lower elevation than I usually operate it at, 0-1,000 feet VS 6,000-12,000 feet.

So I went to the auto parts store and got new line, stiffer emissions rated PCV hose and put it on. What I am wondering is some vacuum normal on the line exiting the crankcase and if not, what is up with that?

A-S/C
 
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Super Werty

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sounds like you just bought some cheap line the first time.
 

Aspen_S/C

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The hose is a given, it is the direction of pressure I am wondering about.
 

Torspd

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The engine pulls near 24 in/Hg of vacuum. So yes, that is normal. A weak hose, or non braided hose, will collapse. I had that happen on one of my earlier sets of hoses, as well.
 
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