AMC Eagle Den Forum

The Shop => 4X4 and Driveline => Topic started by: bottomfeeder on November 27, 2017, 03:15:07 PM

Title: 4x4 Actuation Motor off Transmission - NOT off Front Diff
Post by: bottomfeeder on November 27, 2017, 03:15:07 PM
Hi All,
I have tried to find information about a replacement 4x4 actuation motor for my Eagle, but I have only been able to find information about the actuator itself off the transmission/transfer case.  Am I missing an actuator/vacuum motor that hangs off the side of the transmission.  I couldn't find anywhere to plug the three stray lines that came from the front differential and have had no luck finding this part anywhere.  I am wondering if I need to search a little harder for some ports to plug my lines in to or if this elusive motor actually does exist.  Any help is appreciated.
Title: Re: 4x4 Actuation Motor off Transmission - NOT off transfer case
Post by: eaglefreek on November 27, 2017, 05:50:52 PM
The actuator aka vacuum motor is for the transfer case. There isn't one for the transmission.
Title: Re: 4x4 Actuation Motor off Transmission - NOT off transfer case
Post by: bottomfeeder on November 27, 2017, 09:05:05 PM
Quote from: eaglefreek on November 27, 2017, 05:50:52 PM
The actuator aka vacuum motor is for the transfer case. There isn't one for the transmission.

I saw the one on the front differential and the lines that go from the differential to the transmission/transfer case and there was a bracket hanging off the side of the transmission/transfer case that had nothing on it.  I looked for ports that the lines could have connected to and I couldn't find anything.  I've also looked for a diagram of this on the transmission, but the diagrams I have seen didn't have what I was looking for.
Title: Re: 4x4 Actuation Motor off Transmission - NOT off transfer case
Post by: eaglefreek on November 28, 2017, 09:18:57 AM
I'm a little confused. You by chance aren't​ calling the front axle the transfer case? The transfer case is bolted to the back of the transmission.
Title: Re: 4x4 Actuation Motor off Transmission - NOT off transfer case
Post by: mudkicker715 on November 28, 2017, 03:19:26 PM
Have you tried looking through the epedia
Title: Re: 4x4 Actuation Motor off Transmission - NOT off transfer case
Post by: bottomfeeder on November 30, 2017, 05:37:37 AM
Quote from: eaglefreek on November 28, 2017, 09:18:57 AM
I'm a little confused. You by chance aren't​ calling the front axle the transfer case? The transfer case is bolted to the back of the transmission.

Yes I was.  Not sure how I got that in my head.  Edited for clarity.
Title: Re: 4x4 Actuation Motor off Transmission - NOT off transfer case
Post by: bottomfeeder on November 30, 2017, 05:38:16 AM
Quote from: mudkicker715 on November 28, 2017, 03:19:26 PM
Have you tried looking through the epedia

I did look at the Eaglepedia, but I didn't have any luck.
Title: Re: 4x4 Actuation Motor off Transmission - NOT off Front Diff
Post by: eaglefreek on November 30, 2017, 12:01:09 PM
They were available new for a while, but they were expensive. They were used on Grand Wagoneers, also. Your best hope is finding a used one.
http://forums.amceaglesden.com/index.php
Title: Re: 4x4 Actuation Motor off Transmission - NOT off Front Diff
Post by: AMC of Houston on November 30, 2017, 12:57:53 PM
Later Eagles had no actuator on the front diff.   Did someone swap in a later diff on your car??   Does your front diff have the "actuator box" cast into it??   Now I'm confusing myself!!
Title: Re: 4x4 Actuation Motor off Transmission - NOT off Front Diff
Post by: mo.eagles on November 30, 2017, 06:09:03 PM
Go to '84 - '88 parts section in the EPedia then section 38. You should find the parts there .
Title: Re: 4x4 Actuation Motor off Transmission - NOT off Front Diff
Post by: AMC1 on December 01, 2017, 11:11:51 AM
what year Eagle is he talking about. those vacuum motors are not interchangeable between the transfer case & front axle.
Title: Re: 4x4 Actuation Motor off Transmission - NOT off Front Diff
Post by: bottomfeeder on December 03, 2017, 07:15:48 PM


I stumbled across this diagram.  I believe what I'm looking for is the transfer case shift motor.

(https://i.imgur.com/frf1swV.jpg)