Well, we got the ram back... the shudder and noise turned out to be rear end, again...
Last year, when we had the horrible howling noise, the dealer replace all the seals, bearings, etc., but not clutches or gears.. Several of the folks here said that the gears should have been replaced also..
They opened the pumpkin and found metal in the oil again, and this time did it right... new pinion, etc... and also admitted that they SHOULD have done this the first time... even extended our warranty to cover rear end for another year..
It turns out that the (new) service manager found that there was a "parts advisory" in the computer that wasn't on the invoice, calling for new gears... It seems to work great now and they didn't even try to get the $100 "per occurrence" charge on the extended warranty... (and they even remembered to put the LSD additive in!)
thanks for the help, folks!!
mac
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