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Author Topic: Lost 3rd Allison in 20k  (Read 1128 times)

Cat568

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  • Posts: 10
Re: Lost 3rd Allison in 20k
« Reply #30 on: October 22, 2018, 10:42:48 AM »
New reman, internal wiring harness failure. 6 hr. warranty job.

Cat568

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  • Posts: 10
Re: Lost 3rd Allison in 20k
« Reply #31 on: October 30, 2018, 07:43:33 PM »
A conclusion  (we hope). The ECU/TCM was commanding multiple clutch simultaneous engagement. A calibration error. Glad this is almost over.

wimpy

  • Posts: 2
Transmission Cooler
« Reply #32 on: November 03, 2018, 10:34:56 PM »
FWIW:  I would install a new separate cooler & re-route the lines from the tranny to the fittings on the new(er) cooler.  To determine capacity for the new cooler, I'd ask the Allison people for suggestions.