Question about 1994 Ford Aerostar Extended

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94 Aerostar using transmission fluid

I have to add transmission fluid every 3 days! Does this mean I need a new transmission or could it just be a seal that needs to be replaced? It is a 4wd extended version. Thanks for any advice.

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They have several probable leaks. if you are not seeing any leaks on the ground then it is probubly the vacuum modulator on the passenger side of the transmission. the rubber diaphram inside of the mod ruptures and engine vacuum sucks transmission fluid from the transmission and into the engine. it does not require transmission replacement to repair, however it does tend to swell the vacuum lines and cause leaks in that respect. if the fluid is leaking onto the ground you should have it checked out. either way the sooner the repair is made the more likely the problem will stay minor.

Posted on Feb 17, 2009

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