Thread: 4L80E downshifting
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Old 03-28-2008, 01:09 PM   #2
NEUMANNZZ
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Re: 4L80E downshifting
might be the vss or wiring in the tailshaft housing.
O2 GMC RCSB 4.8L V8 AUTO 3.73's
rebuilt/beefed up 4L60E(at 43,000miles)
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