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Reply #15 - Aug 7th, 2017 at 3:04am

ve77er   Offline
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Holland PA

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Posts: 3664
so, there are no "aftermarket" parts yet available for the Pacifica and Chrysler service departments (three different ones we've been to)SUCK! there is a definite feeling of hesitation when switching from reverse into drive and when cruising around 35-40 there is a feeling of uncertainty like the 9 speed automatic can't decide which gear to settle into but the dealer has run complete diagnostics and "reprogrammed" the control module twice now and still we have this feeling--if this is "normal" then I'm glad we purchased the extended warranty because this thing is going to implode sooner or later. not a fan of Fiat-Chrysler at this point and Kim has racked up over 22000 in the first year so, this is going to burn through the factory warranty by April-May of next year again, glad we got the extra coverage.
......................Chris  Smiley
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Reply #16 - Aug 7th, 2017 at 4:20am

68-73-77   Offline
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NCRS Member 68,73,77 Corvettes

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Posts: 8131
I have installed a aftermarket Tune in my tow vehicles from 2003. The biggest difference is the tune increases the trans fluid line pressure about 20-40%. This causes the trans to shift faster & harder which makes it work more efficient & last much longer, but most people don't like the bang in the seat of there pants...so you now have a slippy trans. In the old days we called it installing a shift kit now it's done by tuning the computer. I Dynoed my 2003 Tahoe after doing this & gained 28hp & around 35 lb of TQ at the rear wheels after a tune & the trans shifts like a manual....did the same to my Avalanche. The dealers are idiots look for a aftermarket tune or chip.
Alan Smiley
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