Compression Ignition Addict
Join Date: Nov 2009
Location: Ringtown, PA
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Trans doesn't want to shift down
2000 f550 2wd. Fluid is full and unburnt. I have a 6.0 cooler and a deep pan. It's a reman jasper with about 30k on it.
The problem is that it doesn't want to shift down out of overdrive unless you get fairly hard on the throttle. For instance if you're merging on to an on ramp or in traffic, and you ease on the throttle it will rev a bit then go back into high gear. If you get on the throttle hard then it will shift fine.
From a stop it goes down into first by itself and shifts fine up to overdrive. It doesn't seem to slip and shifts good through the gears.
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2001 F350 SRW CC 4WD LB
ZF6 w/ Southbend, 220k, DIY Intake, WW,NonEBPV Pedestal, CCV Mod, Gauges (Boost, Pyro), 2in Leveling Kit, 4" Straight MBRP, AIH Delete, 2-12" Kicker Comp's, Pioneer Amps
2001 F350 DRW EC 2WD (Rolled Over)
2000 F550 CC 2WD
Automatic, Jasper 4R100 w/Derale Pan & 6.0 Cooler, DIY Intake, AIH Delete, 4" MBRP,
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