b18a1 LS vacuum lines ??
 

alright...got a question here...i got a 91 crx hf right now...im gonna put an odb0 b18a1 LS motor in there....is there a specific sequense my vacuum lines go or do i have to modify anything to the vacuum lines...or can i just plug them in as they fit ???

lewis

Re:b18a1 LS vacuum lines ??
 

im have the same probably..do you have that box on your fire wall that has all your vac lines going in to? do we just hook up the b18 lines there?

by the way what year is your motor?

Re:b18a1 LS vacuum lines ??
 

You have 1 important vacuum line.. and that is Map sensor, the rest are emission/control purge devices that do jack ----. You should be able to hook them up without any problems.

Jeff

Re:b18a1 LS vacuum lines ??
 

thanks jeff....any specific place on the manifold i should plug the map sensor vacuum line ??? or do i just put it on one of the available plugs there ?? and the rest of them i take i can plug into empty spots and if need be tee-off the other lines if extras ?

lewis

my motor is from a 91 teg...b18a1...and yes i have the vacuum (black) box up in my engine bay.

Re:b18a1 LS vacuum lines ??
 

anyone of them that accually has good vacuum. the one that is on top of the throttle body thats angled doesnt have any vacuum. anyother one is fine...

Re:b18a1 LS vacuum lines ??
 

cool...thanks guys....answered my questions

Re:b18a1 LS vacuum lines ??
 

what about the line coming off the charcol(sp) thing?

Re:b18a1 LS vacuum lines ??
 

the red braided one? that also goes on top of the t-body..

its ---- as well

Jeff

Re:b18a1 LS vacuum lines ??
 

yea the red one..but i have no nipples for a line on my TB
..if it ---- then i dont need to hook it up and i can just rip it out..=)
http://www.imagestation.com/picture/...f/fc9d021b.jpg
as you can see theres is none..by the way what are those 4 sensors? i really need to get me a haynes book

Re:b18a1 LS vacuum lines ??
 

the sensors are: IACV (with the water hose), MAP (top of t-body), TPS (the fucked up one), not sure what the other one is...

Re:b18a1 LS vacuum lines ??
 

The top sensor (green label), is the purge control valve for the evap system. You will NOT need it, in fact it should just be mounted with 2 10mm bolts. Just take it off.'

The TPS is damaged and will need another tps, you will have ot grind the break-away screws off, and use new (normal screws) with the new sensor.

The purple sensor, is your idle air control valve. Normally a line off the back of the block will go into that 1st nipple.

The sensor underneith the throttle body (no connectors) is the manual idle air control valve. Be sure that coolant does flow through this or you will have idle problems.

Sensor on top of the t-body is the MAP sensor.

Jeff

Re:b18a1 LS vacuum lines ??
 

he said 4 Jeff, by your list thats 5...

Re:b18a1 LS vacuum lines ??
 

I was identifing all the sensors in the pic.. Do you have a problem with that? >:(

Re:b18a1 LS vacuum lines ??
 

nope, i was accually woundering what that thing below the tb was anyway...

Re:b18a1 LS vacuum lines ??
 

thanks guys..now i just have to find out what to do with the MAP sensor cause i have an HF and my MAP is in a box on the fire wall.. =(

Re:b18a1 LS vacuum lines ??
 

pick one and use it. just leave the other one unplugged...

Re:b18a1 LS vacuum lines ??
 

the line off the block is coolant right?>

Re:b18a1 LS vacuum lines ??
 

yup