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Thread: No brakes after boost...

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Posts: 21-29 of 29
2010-04-08 00:05:26
#21
Haven't messed with it yet. The car's still over at my friend's shop. I'm gonna try to make it over there tomorrow or friday.
2010-04-08 00:33:22
#22
Originally Posted by Cliff
It's actually hidden behind the "bracket" that holds the hardline to the firewall. Not something many people notice, unless you've torn it apart once or twice while troubleshooting.


yep you don't notice it unless you go looking for it.
2010-04-09 04:08:41
#23
As this is on topic, where is the best place to pull a vac source for a DE+T?
2010-04-09 08:20:57
#24
Finally chased down the elusive check valve, and it was bad. Leaked like it wasn't even there. Put a new one in, and the brakes seem fine now. Thanks to everyone that pointed out where the valve was. I probably never would've known it was there.
2010-04-09 12:15:21
#25
Originally Posted by hobbs
As this is on topic, where is the best place to pull a vac source for a DE+T?
I like to pull everything off of the vacuum line that goes to the charcoal canister. In theory you should not get your wastegate signal from there though. I did it anyway. If you want to get your wastegate signal from before the throttle body then there may be a port on the TB you can go for, otherwise you're on your own.
2010-04-09 14:06:16
#26
Glad you got it fixed
2010-04-09 15:30:26
#27
Originally Posted by BenFenner
I like to pull everything off of the vacuum line that goes to the charcoal canister. In theory you should not get your wastegate signal from there though. I did it anyway. If you want to get your wastegate signal from before the throttle body then there may be a port on the TB you can go for, otherwise you're on your own.


How do you guys feel about those vacuum manifolds that you can purchase?
2010-04-09 15:37:53
#28
They are fine, but they don't make for tidy runs of vacuum lines so I stay away from them. I just run line back to the fire wall and "T" it there where one line goes left and through the firewall where the engine wiring harness hole is (for the MAP sensor). The other end runs on the driver's side where it gets another "T" to feed the BOV and then the wastegate.

All pretty well hidden, simple, effective, and cheap.
2010-04-10 03:33:12
#29
I guess I just like doing things the hard way...lol. I drilled/tapped separate fittings for my boost gauge and bov right on the intake manifold. I drilled at the opposited end of the TB. I figured there I wouldn't cause as much turbulance to the incoming air stream. Also, I thought that way I would get more response for the bov and more accurate readings for my boost gauge.
That's just MY theory.
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