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PostPosted: Sat Jan 24, 2015 5:04 am 
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Eagle

Joined: Thu Feb 07, 2013 6:43 pm
Posts: 2030
Since I had a hard time finding procedures with specs on how to test the vc, and I found the information on mitchell1, I am going to post this here, so I don't loose it before it goes into the wiki.

 
TESTING > COUPLING TORQUE BIAS CHECK > In Vehicle

Shift transfer case in 4WD. Place vehicle on level surface. Turn engine off. Place transmission in Neutral. Raise one front wheel off ground. Remove hubcap.
Install socket and torque wrench on wheel lug nut. Rotate wheel with torque wrench and measure turning torque. If turning torque is less than 45 ft. lbs. (61 N.m), disassemble transfer case and perform ON BENCH check below.


TESTING > COUPLING TORQUE BIAS CHECK > On Bench

Bench check is performed with transfer case disassembled. Install clutch gear on side gear. Install assembled clutch gear and side gear on viscous coupling. Place viscous coupling assembly in a soft-jawed vise. Firmly clamp assembly on side gear.
Ensure clutch gear fully engages in coupling. Install rear output shaft. Install rear yoke retaining nut. Using a torque wrench, measure turning torque. If turning torque is less than 25 ft. lbs. (34 N.m), replace coupling.

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1985 eagle wagon - 258
1987 :amc: Jeep Comanche - 4.0


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PostPosted: Sat Jan 24, 2015 9:50 am 
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Hornet
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Joined: Thu May 02, 2013 10:40 am
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Location: North Seattle sort of
In vehicle it's supposed to be lock the rear shaft from turning (in park with ebrake usually works) then test torque the front yoke with the trans in neutral. I recall it was 75 INCH pounds (and not 75 ft/lbs like I did and ripped the VC) I tore apart a NP129 and have the viscous coupler sitting on my shelf that I may get organized today.

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'87 Comanche 4x4 $3500 http://forums.amcevolution.com/viewtopic.php?f=16&t=1355
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PostPosted: Sat Jan 24, 2015 7:07 pm 
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Javelin
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Location: manitowoc wi
it is foot pounds 1985. I had it posted somewhere, I got it from some book at home. I am at work so cannot look it up but I was thinking higher than 45pounds

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All right, brain. You don't like me and I don't like you, but let's just do this and I can get back to killing you with beer.


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PostPosted: Sat Jan 24, 2015 8:10 pm 
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Eagle

Joined: Thu Feb 07, 2013 6:43 pm
Posts: 2030
this was for a 229 solid axle, i will look to see if the eagle spec is the same.

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1985 eagle wagon - 258
1987 :amc: Jeep Comanche - 4.0


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PostPosted: Tue Jan 27, 2015 5:43 pm 
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Eagle

Joined: Thu Feb 07, 2013 6:43 pm
Posts: 2030
checked all data ,and Mitchell1. they didn't list anything for an eagle.

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1985 eagle wagon - 258
1987 :amc: Jeep Comanche - 4.0


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