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Unread 07-18-2013, 11:17 AM   #16
briandor
Registered User
2004 WJ 
 
Join Date: Feb 2013
Location: Sinking Spring, Pa
Posts: 194
To answer the original question, if you have the 4.0 you have the 42RE transmission which is a decendant of the TorqueFlight line of transmissions. Specifically the 42RE is a decendant of the A904 transmission. These transmissions had a very distinct whistling/whirling sound both on acceleration and deceleration which is perfectly normal for their operation. Most likely this is what you are hearing and it is just louder since you pulled the carpet.

My first car was a '76 Dodge Dart and it has the slant 6 engine and A904 transmission in it and made the exact same sound. It was kind of funny when I bought the Jeep this past January as soon as I drove it I knew what transmission was in it because of the sound.

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Unread 07-18-2013, 12:49 PM   #17
rdkendrick
Registered User
2003 WJ 
 
Join Date: Jan 2013
Location: Cincinnati, Ohio
Posts: 3,111
Quote:
Originally Posted by briandor View Post
To answer the original question, if you have the 4.0 you have the 42RE transmission which is a decendant of the TorqueFlight line of transmissions. Specifically the 42RE is a decendant of the A904 transmission. These transmissions had a very distinct whistling/whirling sound both on acceleration and deceleration which is perfectly normal for their operation. Most likely this is what you are hearing and it is just louder since you pulled the carpet.

My first car was a '76 Dodge Dart and it has the slant 6 engine and A904 transmission in it and made the exact same sound. It was kind of funny when I bought the Jeep this past January as soon as I drove it I knew what transmission was in it because of the sound.
My first car was a '77 Roadrunner (Volare with the Roadrunner package). It had the 318, too. I know exactly what you are talking about. I wish I still had that car, now. Mine was green. I saw an orange one last week. Been driving Chrysler ever since.

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Unread 07-18-2013, 07:28 PM   #18
wjeeper6810
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2004 WJ 
 
Join Date: Jan 2013
Location: Clanton, AL
Posts: 68
I have in my truck and have no problems with for bout four or five years now but driving down the road it just fills like it pretty warm
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