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Technical Info: 3rd Generation: DRIVETRAIN Technical discussion of third generation (2003 - 2007) engine and drivetrain questions, solutions and upgrades.
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Old 12-26-2012
Gary Thornton's Avatar
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Default 4x4 DID NOT engage

Turned knob to 4x4.....light came on..... heard the engagement sound (barely)..but no 4wheel drive on the ground. Did this under 5mph.
Drove around a bit and on the third try the front wheels were pulling.
Any thoughts on what went wrong?
Is something failing?
Anything I should check?
Need to plow tonite.

BTW it is below freezing
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Old 12-26-2012
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Check connectors/clean on the 4X4 motor at the x-fer case. May need to check ohms across motor contacts. If it tests weak or bad, a new/rebuilt motor may be needed.
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Old 12-27-2012
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Or just pull the motor and have someone turnt he switch for you. Make sure it has full range of motion.
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Old 12-27-2012
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Once I got it in 4x4 yesterday I left it in and plowed for 6 hours w/o incident. Once the ice thaws off the bottom of the truck I will do all that you have recommended.
Thanks.
Could something - like this motor - just have been iced up or frozen?
I did go thru a car wash before the temp dropped yesterday.
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aka dogram


2 '05 2500 4x4,QC's 48RE,3.73,Limited Slip,Plow Prep,Linex,ROKK,Afe 2 & Amsoil fluids (Boss 9'2" V-blades )

#1 SMARTY cr(SW5),TOYO/AT2's 285-70/17E's,Quad Commander,TransGo shift kit,Prodigy,Fold-a-cover,60 gal RDS aux tank,Corsa exhaust,FASS95/95 3 micron,Mag-Hytec DD tran pan,Bilsteins.
Pull a Cameo 5er (8800 lbs empty)

#2 SUPERCHIPS flashpaq & TOYO/AT2's 285-70/17E's, MBRP
Knowledge: Truth apprehended
Understanding: Truth comprehended
Wisdom: Truth applied
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Old 12-28-2012
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Quote:
Originally Posted by Gary Thornton View Post
Once I got it in 4x4 yesterday I left it in and plowed for 6 hours w/o incident. Once the ice thaws off the bottom of the truck I will do all that you have recommended.
Thanks.
Could something - like this motor - just have been iced up or frozen?
I did go thru a car wash before the temp dropped yesterday.
Could be just frozen up.

I pulled one off because it didn't work, took it apart, cleaned it and put it back in. Worked fine. It was really dirty inside. Looked like someone had driven through a pig trough.
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2005 Ram 2500 Quad Cab Laramie Short Bed 5.9l Cummins
2004 Ram 1500 Quad Cab SLT 5.7l Hemi V8
1998 Ram 1500 Quad Cab Sport 5.9l Magnum V8
1997 Ram 3500 Club Cab Dually SLT 5.9l Cummins
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