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Tourige Offline OP
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I need some tips on how to check the vacuum system on my brothers 95 SE.

I heard about using smoke to find where its leaking, Or could i just feel/hear the air rushing.

His car is showing signs of:

No power down low (below 3900 rpm) and crappy braking. So im assuming its a vacuum leak or a vacuum valve that is broken.


99 TRed Contour SVT # 1853 out of 2760 230.2 WHP @ 6500 237.0 WTR @ 2250
Originally posted by MxRacer:
Originally posted by RawBurt:
I'll be keeping it to myself, until the time comes. It'll be hard to find.


much like your weiner.


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95 V6 is vacuum operated secondaries. Check vacuum hose from UIM to brake booster for leaks. Also check vacuum hose which goes to the IMRC. Vacuum operated IMRC will be normally open without vacuum. On starting car, it should have vacuum and close the butterflies. Then at maybe 4000 RPM, it should open.

Figure 4 in Autozone

Last edited by Tony2005; 08/14/06 07:57 PM.

"Always do the cheap and easy ones first." 1996 V6 ATX 96K miles
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Tourige Offline OP
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Originally posted by Tony2005:
95 V6? Check vacuum hose from UIM to brake booster for leaks. Also check vacuum hose which goes to the IMRC. Vacuum operated IMRC will be normally open without vacuum. On starting car, it should have vacuum and close the butterflies. Then at maybe 4000 RPM, it should open.




the Vac hose to Brake booster has been cracked before (like broke in half) and fixed with a joint connecter that never really fit. But why is it now just messing up?

And the IMRC closes, if i watch it when the car starts i can watch it close so i know its not the IMRC... Im thinking i will replace the vac hose on top of the UIM first with one from a junk yard.


99 TRed Contour SVT # 1853 out of 2760 230.2 WHP @ 6500 237.0 WTR @ 2250
Originally posted by MxRacer:
Originally posted by RawBurt:
I'll be keeping it to myself, until the time comes. It'll be hard to find.


much like your weiner.


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Originally posted by Tourige:
...the Vac hose to Brake booster has been cracked before (like broke in half) and fixed with a joint connecter that never really fit. But why is it now just messing up?...




The hose probably collapse recently and made a big enough difference now to cause the brake booster issue.

$26 to fix the hoses


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Can also spray ether around the lines. Car will rev up when you find the spot.


-'96 SE MTX 3L -'98 SVT 1,173 of 6,535 -'05 Mazda 6s, loaded, g/f's ride -Need a 96-00 manual on CD? PM or email me
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Tourige Offline OP
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Thanks guys, ill do all of this tonight.


99 TRed Contour SVT # 1853 out of 2760 230.2 WHP @ 6500 237.0 WTR @ 2250
Originally posted by MxRacer:
Originally posted by RawBurt:
I'll be keeping it to myself, until the time comes. It'll be hard to find.


much like your weiner.



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