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Discussion Starter #1
viscous coupling

2000 with manual transmission. Front axle shaft broke. Car would barely pull itself one block home, and wouldn't pull up onto ramps. does this mean my viscous coupling is weak?
 

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06 3.0R JDM facelift SI Drive-shift paddles. 87 Brumby EA81 (Brat) 4MT D/R
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613 Posts
The viscous coupling in the centre diff does not transfer 100% of the drive . As best if its in good condition it can transfer up to 80% for short periods but expecting to drive it in this broken condition is expecting and asking too much of it.
Particularly driving it a block then attempting to drive it up a ramp.
The viscous coupling probably overheated .
If the centre diff was a lockable one this would have been possible, as well as with
a part time selectable 4WD with a transfer case with no centre diff.
 
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03 H6 OBW & 06 WRX Sportwagon
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yep, I have read the same thing, it cannot transfer enough power to do more than barely move.
 

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Discussion Starter #4
Thanks for the replies, good to know. I don't think I overheated it, because I was less than a block from home on a 20 degree morning, and I nursed it right back home. I took one attempt to use the momentum to "bounce" it up the ramp. There were no other symptoms of a bad coupler, so I think I'm good.
 
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