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Used Transmision is buzzing after putting it in?
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Kenna4101
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May 13, 2013, 11:33 AM
Post #1 of 12
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Used Transmision is buzzing after putting it in?
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We Have put a used Transmission in our Mitsubishi Montaro Sport. It is a all wheel drive 3.5L motor. 2003. What would make the transmission make a buzzing sound when you put it in any gear other than N.
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HT
User
May 13, 2013, 11:57 AM
Post #2 of 12
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Re: Used Transmision is buzzing after putting it in?
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A dirty filter or low fluid are likely causes.
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Kenna4101
User
May 13, 2013, 12:07 PM
Post #3 of 12
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Re: Used Transmision is buzzing after putting it in?
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Well along with making the buzzing sound it will not move. When you put the Transmission in N you can't turn the front Drive shaft is that normal? Fluid is full as well.
(This post was edited by Kenna4101 on May 13, 2013, 12:10 PM)
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HT
User
May 13, 2013, 3:18 PM
Post #4 of 12
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Re: Used Transmision is buzzing after putting it in?
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If the fluid is full and you are sure about that, it's time to head to the trans shop. If I were to guess, I would suspect that you broke the front pump during installation because you may not have had the converter fully seated when you tightened the housing bolts.
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Discretesignals
Ultimate Carjunky
/ Moderator
May 13, 2013, 3:38 PM
Post #5 of 12
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Re: Used Transmision is buzzing after putting it in?
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Just curious but what happened to the old transmission?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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Kenna4101
User
May 13, 2013, 5:46 PM
Post #6 of 12
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Re: Used Transmision is buzzing after putting it in?
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We lost R and D
but it would still go in 1st and 2nd
(This post was edited by Kenna4101 on May 13, 2013, 5:50 PM)
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Kenna4101
User
May 13, 2013, 5:53 PM
Post #7 of 12
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Re: Used Transmision is buzzing after putting it in?
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We losened up the tranny and now the front drive will turn in N but not in Park. Is it that we are not getting it lined up just right or what?
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HT
User
May 13, 2013, 5:56 PM
Post #8 of 12
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Re: Used Transmision is buzzing after putting it in?
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I'm betting it's too late now. the front pump is likely broken.
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Kenna4101
User
May 13, 2013, 6:00 PM
Post #9 of 12
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Re: Used Transmision is buzzing after putting it in?
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Ok thank you we are going to try one more time and see if it engages. If not I guess we will have to get it rebuilt 
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Discretesignals
Ultimate Carjunky
/ Moderator
May 14, 2013, 6:24 PM
Post #10 of 12
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Re: Used Transmision is buzzing after putting it in?
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Did you flush the transmission cooler out before you installed your transmission?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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Kenna4101
User
May 15, 2013, 11:33 AM
Post #11 of 12
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Re: Used Transmision is buzzing after putting it in?
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No we didn't. We have also found out that the front pump is broke. 
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MarineGrunt
Enthusiast
May 16, 2013, 2:44 AM
Post #12 of 12
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Re: Used Transmision is buzzing after putting it in?
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Be sure to get a couple cans of Kooler Kleen for the cooler lines. Most auto parts stores carry it but you sometimes have to ask for it. I know mine had it behind the counter. Transmissions hate sludge so you want to clean everything out real good.
I had a pump break on a transmission in my wife's minivan and one of the pump fins worked its way down into the valve body. If you do the pump yourself make sure you check everything out. You don't want some small piece of metal roaching your whole transmission.
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