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Old 08-03-2010, 11:16 AM
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txhemi txhemi is offline
Dodge Ram Forum Senior Member
Join Date: Dec 2009
Location: Somewhere down in Texas
Posts: 1,355
Gender: Male
Vehicle: 2008 Quad Cab 1500 2WD
Trim Level: SLT Lone Star
Color: Mineral Gray
Engine: 2003-2008 345ci (5.7L) Hemi V8 345hp 375lb/ft
Rep Power: 6
txhemi is a jewel in the roughtxhemi is a jewel in the roughtxhemi is a jewel in the rough

From the manual:
When operating in “TOW HAUL” mode, 5th gear (if equipped) is disabled and 2-3 and 3-4 shift patterns are modified. Shifts into Overdrive (4th gear) are allowed during steady cruise (for improved fuel economy) and automatic closed throttle downshifts to 3rd gear are performed (for improved braking) when driving conditions warrant. Pressing the “TOW HAUL O/D OFF” button a second time to select O/D OFF will disable 4th and 5th gear completely, which should eliminate any excessive transmission shifting.
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