Anyone experience problems with the Neutral Safety Backup Switch (NSBU) on
the Allison transmission. I have an 01 Chevy 2500HD C/C S/B 4X4 DMAX/Allison
and just had the switch replaced. The transmission was only 800km out of
warranty! The tech at GM said they replace a fair number of these units.
Does anybody know if there was a a problem with the design of these that
cause them to fail? I saw a post that said that Allison makes a better
switch but GM has yet to incorporate it in their vehicles.
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