johnhawkins

iTrader: (1)

Getting ready to start putting my tC back together. I remember a discussion, searched but couldnt find it. I understand the 07+ tC have an additional intake manifold vacuum source, Where does this line hook up to? The throttle body? I have included a picture below.


If it is the TB, would it be possible to eliminate that connection using the TB port and the IM port each as a seprate vacuum line??? I would use one for my BOV and one for my FPR? I have also attached another picture below of the intake manifold and shows the vacuum line below the TB location.



Any information and help is appreciated. Or any other pictures that may help.

syberspyder

iTrader: (2)

If nobody answers soon, I'll check for you on my break.

johnhawkins

iTrader: (1)

Sweet thanks man

syberspyder

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That line connects to the thottle body port closest to the driver side.

johnhawkins

iTrader: (1)

sweet thanks alot man that what I thought - Now is it possible to disconnect that line and use each nipple as its own vacuum source? SO the nipple on the intake manifold as a seprate source and the nipple on the TB as a seprate source??? Or does the TB need that vacuum to function properly?? I know people would say just use a barb tee but I am trying to eliminate as many connections as possible to reduce the likelyness off a vacuum leak

m6ar2cel6oTC

05-06 isn't the same manifold?

johnhawkins

iTrader: (1)

From what I understand, the extra vacuum source is the only difference. The TB has an extra nipple to connect to the extra nipple on the manifold.

m6ar2cel6oTC

i thought all the manifolds were the same. ill check my car once it cools down. cause i just got back from the gym.

johnhawkins

iTrader: (1)

Let me know - either way, you think the TB needs that line on there to function? or do you think I could use each sepratley as a vacuum??

johnhawkins

iTrader: (1)

Here is a picture of the throttle body from an 08.
BLUE = Coolant lines
GREEN = Vacuum for VSV
RED = Questionable vacuum that connects to the intake mani port as mentioned

I would like to use the RED source as a seprate vacuum for the BOV and use the connection on the intake manifold as a seprate vacuum source for mr fuel pressure regulator.

johnhawkins

iTrader: (1)

My understand is that anything before 07 does not have either of these lines on the TB or the intake manifold - Maybe Dezod ptuning or Descendant could help out?

m6ar2cel6oTC

the circle in red mines is connected to a line that has a lil box and the other end has another line thats not connected to anything

johnhawkins

iTrader: (1)

I have seen (3) kinds so far. The style I have mentioned above, ones with no extra nipple on the TB or mani, and then ones like you are describing. Does your look like this?

johnhawkins

iTrader: (1)

Obv you are boosted - there must be some type of PCV style check valve in that box otherwise you would be loosing boost right?

Hix

Don't you have Crush's phone number? He was telling me about that when we were putting my manifold back on the car. Marcial's car, an 05, didn't have that. Just give him a call he knows entirely too much about this car.

johnhawkins

iTrader: (1)

I dont have his number, although he did hook me up with that chain tensioner. Hopefully he will chime in otherwise I will PM him.

m6ar2cel6oTC

yup exactly like that.

m6ar2cel6oTC

has to be cause i have done a boost leak test and i didnt hear anything coming from there.

johnhawkins

iTrader: (1)

I am so curious I would love to know this answer

crush02342002

iTrader: (2)

this mani pictured is from an 07-10 tc also later camry. that port on the side is nothing more than a vent for the tb...Iv tested it to see if it actually goes into the mani and it doesnt (blew some smoke in it). that port replaces that little black plastic box thats on the 05-06 mani.
Why they changed it is beyond me but it may help prevent water spray and vapor getting in and causing corrosion inside the tb.
so in short its not a vac line, just a vent.