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Old 08-25-2009, 22:51   #1 (permalink)
93 Aerostar XL 4.0L V6
 
Join Date: Aug 2009
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Question Hard to fix A/T leak on 93 Aero XLT 4L V6 2X4

Hey guys I'm new on this Forum and I am in search of some Aerostar expertise.

I have an old 93 Aerostar XLT with the 4.0L V6 rear wheel drive that is leaking ATF from a weird spot on the tranny (A4LD). I have taken it to my mechanic a few times to get it looked at. At first he had a very hard time determining where it was coming from since it wasn't the seal around the engine, but in the end he determined the leak to be coming from some sort of rubber vent cover near the top of the tranny that has dried out??, and he told me it was really hard to reach it because of the limited clearance around the tranny from the exhaust system. He told me he had to drop the exhaust system to reach it by hand, but now after further inspection he told me the only way to fix it is by dropping the cross member and disconnecting the rear drive shaft and lowering half the tranny.

Has anyone experienced this type of leak? I have spoken to some people who say it might be something called the vacuum modulator, apparently those are a common problem on this type of tranny?

Thanks guys

Last edited by jwko; 08-26-2009 at 09:56.
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Old 08-26-2009, 14:03   #2 (permalink)
2002 F150 XLT
 
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Re: Hard to fix A/T leak on 93 Aero XLT 4L V6 2X4

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#7 is the trans modulator. It's located on the side as you can see. Maybe the vacuum line from it has a leak above the trans. It should only have vacuum but if the modulator is leaking it would go up the line. The unit on top is the vent. #5 is in the lower part on the left side.


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Old 08-26-2009, 21:02   #3 (permalink)
93 Aerostar XL 4.0L V6
 
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Re: Hard to fix A/T leak on 93 Aero XLT 4L V6 2X4

Thanks a lot rtg143. As for the vent can you be more specific with its location, is it #6 or #5, front or rear, driver side or passenger

Thanks
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Old 08-26-2009, 21:16   #4 (permalink)
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Re: Hard to fix A/T leak on 93 Aero XLT 4L V6 2X4

It's #6. I just mentioned #5 because it looks like it's mounted on top and it's not. I should have been more specific, In the picture, the front of the trans is to the right of the picture.
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Old 08-26-2009, 23:57   #5 (permalink)
93 Aerostar XL 4.0L V6
 
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Re: Hard to fix A/T leak on 93 Aero XLT 4L V6 2X4

Thanks, that really helps. so its either the vacuum mod, or the vent now that I know where it is
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