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Home » Public Forums » GMCnet » [GMCnet] Reviving the Cad 500  () 1 Vote
Re: [GMCnet] Reviving the Cad 500 [message #165416 is a reply to message #162802] Thu, 05 April 2012 03:47 Go to previous messageGo to previous message
Richard Brown is currently offline  Richard Brown   United States
Messages: 281
Registered: May 2009
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The reason I was thinking about breaking it in using an engine dyno is to take the transmission out of the loop temporarily to see if something like the torque converter/transmission could be the reason that the thrust bearing is failing. Using a chassis dyno on the setup that has been used when it last failed would not isolate the components unless you temporarily used a different transmission/converter from a Cadillac conversion that had been used without a thrust bearing failure. If the engine is dyno-ed without that transmission or torque converter and the thrust bearing shows unusual wear again, you have just eliminated the transmission and the torque converter from the possible source of the problem. If the engine passes the pulls without unusual wear, then you can use the chassis dyno with a converter known to have not caused a problem & the old transmission from your coach, then look at the thrust bearing again. If the thrust bearing is still OK,
then the old transmission can't be the problem & the torque converter must be the problem. At that point, you have empirical evidence that the converter is absolutely the problem. I hope this explains what I'm getting at.Instead of replacing each part permanently with new parts, you are using used parts with a known track record temporarily until you have absolutely found the problem, then you only need to buy the one part that you now know is at fault. Costs a lot less than buying a new converter when it's the transmission at fault or the other way around. I hope this clears up my thought process on this.

Richard & Carol Brown

1974 Eleganza SE

"DILLIGAF"

Lindale, Tx. 75771

903-881-0192
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Richard & Carol Brown 1974 Eleganza SE 1174 Hickory Hills Dr. Murchison, TX. 75778
 
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