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post #1 of 4 (permalink) Old 11-03-13, 02:09 PM Thread Starter
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2002 Lincoln Navigator transmission issues

Hi,

I have a 2002 Lincoln navigator with roughly 115k miles on it. We just converted the air ride to shocks because they would drop on one side and found a new issue.
Their is a LOUD buzzing/humming sound coming from what seems like the drivers side of the engine, possibly underneath. Not sure what it could possibly be but it started happening at the same time the car wouldn't shift past 1st gear. It also sounds like its coming from directly under the drivers side of the car at the transmission aswell.
It goes in 2 low, 1 low, and reverse fine it seems (not without a good deal of noise though) but once you put it into drive it just dies out and wont go.
I checked the transmission fluid and it was low but not empty and smelled normal. Added fluid and it seemed to help it a little but the best guess we can come up with is it might be the transmission modulator and a hole in the transmission vacuum hose.
However im not exactly a mechanic and haven't taken it to a shop yet because the closest one that will look at transmissions is over 100 miles away.

Can anybody give me their opinion on whats wrong here? I hope i don't have to have the transmission rebuilt.

Thanks

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post #2 of 4 (permalink) Old 11-03-13, 08:02 PM
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Re: 2002 Lincoln Navigator transmission issues

I'm pretty sure that the transmission is electronically controlled, which means no modulator and vacuum problems should show up else where's first. Getting it scanned may help pinpoint the problem. You said the fluid was low, how much did it take to get back to normal?

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Did you ever think that maybe they NEED them?
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post #3 of 4 (permalink) Old 11-03-13, 11:20 PM Thread Starter
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Re: 2002 Lincoln Navigator transmission issues

Quote:
Originally Posted by CatSkinner View Post
I'm pretty sure that the transmission is electronically controlled, which means no modulator and vacuum problems should show up else where's first. Getting it scanned may help pinpoint the problem. You said the fluid was low, how much did it take to get back to normal?
It took roughly a quart and a half. I just dont really want to have to have it towed 100 miles for them to say it needs a rebuild or something lol
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post #4 of 4 (permalink) Old 11-04-13, 04:53 PM
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Re: 2002 Lincoln Navigator transmission issues

What do you mean "dies out".

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