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vaccum line help! with pics

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Old 08-03-11, 08:54 PM
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vaccum line help! with pics

need help with these lines for pic 1
- thts the line coming off my pipe between turbo n intercooler has a bov on it

pic 2
- this is a long hose coming off uim going towards the firewall

pic 3
- this is a long hose coming from the same place put going towards the front of the car

pic 4
- i have two things in this one the little black hose with some sort of bobble oon it and then that big nipple coming off the TB these are both off the NA TB

pic 5
- this is a line coming from my charcoal canister i believe it goes into the line under the two fuel lines ?

thanks for your help !!
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Old 08-03-11, 08:55 PM
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this is a JDM s5 t2 motor with a NA throttle body, my intercooler has no nipples on it just the inlets for the piping
Old 08-03-11, 10:29 PM
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1. That's for the stock BOV as you noted. So connect one end of the BOV to that hose, and the other end of the BOV goes back to the turbo inlet duct.

2. Brake booster hose? If you have a JDM engine, you will have to rig something up because the brake booster hose is on the rear of the LIM instead of on the back of the UIM, closer to the brake booster. Do a search on this topic.

3. That could be the hose feeding the BAC valve from the TID.

4. The small hose is for the double throttle. I'm not sure about the large hose in this pic. There are a few hoses back there. Is it a coolant hose?

5. It's been a long time since I've messed with a charcoal canister on these cars...
Old 08-03-11, 10:38 PM
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Originally Posted by arghx
1. That's for the stock BOV as you noted. So connect one end of the BOV to that hose, and the other end of the BOV goes back to the turbo inlet duct.

2. Brake booster hose? If you have a JDM engine, you will have to rig something up because the brake booster hose is on the rear of the LIM instead of on the back of the UIM, closer to the brake booster. Do a search on this topic.

3. That could be the hose feeding the BAC valve from the TID.

4. The small hose is for the double throttle. I'm not sure about the large hose in this pic. There are a few hoses back there. Is it a coolant hose?

5. It's been a long time since I've messed with a charcoal canister on these cars...
i have an aftermarket bov with a corksport tid i used a cap on the tid should i remove it and wire it that way ? the instructions were all in japanese i just used the pictures , and for the double throttle does that need to be hooked up? and where ? and i already got the coolant/heater hoses the one tht goes to the lower rad and the one tht goes to rear rotor ?
Old 08-04-11, 12:09 AM
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If it's a stock engine with an aftermarket BOV, doesn't the BOV need to be recirculated? Is this kind of what you were pointing toward arghx?
Old 08-04-11, 09:13 AM
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the apexi directions dont show a recirculation route with the hoses = / also any one got any info on those lines? need to get it running asap!

Last edited by Rickyyp; 08-04-11 at 09:17 AM.
Old 08-04-11, 11:37 AM
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Both hoses in pic 2 and pic 3 go to/from the BAC. (Bypass Air Control valve) Unfortunately, I have removed all of my emissions. I'm not completely sure where exactly these connect. I'm checking the FSM, and cannot get a good view as to where these hoses connect.

I know that the hose in pic 2 connects on the backside of the TB. The hose in pic 3 is a water hose.

Last edited by dwb87; 08-04-11 at 11:47 AM.
Old 08-04-11, 01:17 PM
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yea i cudnt find those on my FSM thats all thts holding me back from starting her up ... so pic 2 goes behind the TB and pic 3 is water hose? u mean pic 4 ??
Old 08-04-11, 01:40 PM
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The coolant line in pic 2 connects to the thermowax on the TB in pic 4. The coolant hose in pic 3 connects to the back of the water pump housing. Alternatively you can remove both of these lines, and run a hose directly from the water pump housing to the TB.

Cap the BOV/bypass valve connection in pic 1.

Pic 5 is either brake booster routing or PCV/charcoal canister related depending on the chassis.
Old 08-04-11, 01:47 PM
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Originally Posted by RotaryRocket88
The coolant line in pic 2 connects to the thermowax on the TB in pic 4. The coolant hose in pic 3 connects to the back of the water pump housing. Alternatively you can remove both of these lines, and run a hose directly from the water pump housing to the TB.

Cap the BOV/bypass valve connection in pic 1.

Pic 5 is either brake booster routing or PCV/charcoal canister related depending on the chassis.
ohh shouldve known it was a coolant hose from the way it was layered thank you so much! i can start the car tonight now after like 8 months i love you for your help all of youuuuuu ! <3
Old 08-04-11, 01:52 PM
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Also, if those are the original hoses from that JDM engine, I would not suggest using them. They'll be dry rotted and ready to explode.
Old 08-04-11, 01:54 PM
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sure thing ill replace them ! thanks again
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