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transmission won't shift properly, and it may even go in limp mood to protect the transmission. A delayed shifting could be the culprit.

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Q: What sounds and symptoms for transmission vacuum leak?
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How do i ajust the idle on my 1992 camaro rally sport?

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Will vacuum leaks cause transmission to not engage properly?

Yes It Wil If The Vacuum Leak Is In A Hose That Gos To you Transmission


What would cause late shifting in 1st gear in a automatic transmission for a 1997 Ford Taurus?

check for a failed vacuum modulator or a vacuum leak to the vacuum modulator. It sounds like you are shifting on the governor or engine management unit.


Why does your 1999 ford ranger idle up and down while in park?

It sounds like you have a vacuum leak from either a vacuum hose or a leak or crack in your intake. Check for hissing sounds.


Can a vacuum leak be the only problem if the transmission is idling too high?

Well, a transmission itself does not idle...the engine does. A vacuum leak in the engine will cause faster idling or slower idling depending on where the leak is. Newer transmissions do not use vacuum at all for their operation. Older vehicles used vacuum to help with the shifting of gears-automatic transmissions.


What would cause an 87 ford E150 not to idle and also shift from first to second at an unusually high rate of speed?

Sounds like it may be a vacuum leak Check fittings and vacuum hoses under hood, under dash and at vacuum modulator on transmission


What would leak red fluid from front drvers side near wheel?

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Would vacuum leak cause automatic transmission to slip on 98 Pontiac Grandam?

I don't think so. The automatic transmission is controlled by engine speed, vehicle speed and throttle position. A large vacuum leak could effect throttle position, but it would cause other problems more noticable than the effect on transmission shifting. a vacuum leak mpuld not cause trasmission to slip but a band inside transmission would cause the problem


Why does the idol change when you hit the brakes on a Toyota 22r engine?

sounds like a vacuum leak in booster


Why does the engine die when stepping on the brakes 1973 Chevy 350 engine?

Sounds like a vacuum leak.


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Sounds like a Vacuum leak in brake booster.


Is it good for transmission fluid to leak into the engine?

No it is not good for transmission fluid to leak into the engine. More information is needed to give even an educated guess why this is happening. The car must be older, or have a modulator valve in transmission pan and diaphragm is bad on the vacuum line.