An expensive day today... no, we didn't buy a different coach or tow vehicle. Big Red was due for her 100,000 mile check-up, and she did just fine. Lots of fluid and filter changes, and a thorough lookin' over of all the mechanicals. The only thing that needed to be replaced was the lines for the transmission cooler... they had a slight leak. I had those replaced about 25,000 miles ago, so I'll keep an eye on 'em. Otherwise, the mechanic and service manager at the place we bought the truck declared her fit and ready for lots more miles. We had them check the frame and hitch extra close (after our little incident last month) - all good.
The service manager related something interesting to me: he said they saw their first failure on an Allison transmission a couple weeks ago. On that truck, it blew a line and started a BIG transmission fluid leak. He said the driver continued up the long incline while pulling a heavy trailer, apparently aware of the fluid loss. Result: fried transmission.
He also said our transmission fluid looked and smelled like new. I have it serviced according to the mfg schedule. Love that Allison and Duramax combination. This is the first vehicle we have ever owned that has passed the 100k mark. It's still tight, solid and comfortable.
And not one time did anyone say what I heard on my last check up: you're in good shape... for your age.
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