messed with vacuum line and it started working.so bought new lines replaced them . Vacuum leak. 3)  Round vac. LindaGH in Holt, MO on . My 1996 dodge ram 1500 will not engage into 4 wheel drive. Four-wheel drive not engaging. In 2 wheel drive with the front jacked up, if you turn the drive shaft one of the front wheels has to turn. 4WD can be dangerous. Has 5.2 in it automatic. The 4wd isn't working but the front drive shaft spins. It only did this after i flushed out my heater core with water today and after i did that only my defrost vents would blow air even when i changed the dial to one of the other vents. So I drove it around the block put the truck in neutral and same thing, then I finally came in here to ask you guys. What Can Happen To The Transmission If There Is A Dent In The Drive Shaft? Build a Dodge. This phenomenon is caused by the front wheels battling the rotational force coming from the front drive shaft as it tries to slow down the front wheels, causing the massive under-steer effect. 2007 Dodge Ram 2500 / Will not disengage from 4... Will not disengage from 4 wheel drive (2007 Dodge Ram 2500) We used the 4 wheel drive yesterday and now it will not disengage from 4 wheel drive. Reply. I drive a 2008 Dodge Ram 1500. Are your vacuum lines oil saturated, expanded, & squishy? Along with gaining all the awesome benefits that RCC members get, you will not have to look at this big block on every page! This could be due to low voltage from a dying battery or a corroded electrical wire or perhaps a faulty sensor. Wheel bearing replacement in the 2002 Dodge Ram seems to be the most prevalent starting around 75,000 miles. This article applies to the 3rd generation 4WD Dodge Ram (2002-2008). LindaGH in Holt, MO on . OE Solutions 4WD Actuators by Dorman®. 1998 Dodge Ram 1500 four wheel drive won't engage.? Please Like and Subscribe.In this video I am replacing the 4WD Vacuum Actuator in a 1998 Dodge Ram 1500 2003 dodge ram 4 wheel drive is not engaging? 2001 Dodge Ram FAERSI ABS Plastic Heater Blower Motor with Fan Cage Compatible with 2002-2008 Dodge Ram 1500, 2003-2009 Dodge Ram 2500 3500, 2009-2010 Dodge Ram 4500, 2002-2004 Grand Cherokee Replaces 700012 PM9198 . As the owner of a 2014 Ram pickup, if you wanted to thank someone for the invention of four-wheel drive, you would have to talk to Jacobus and Hendrik-Jan Spyker, who introduced the first mechanical four-wheel drive system back in 1902. 1990 Ram Charger (318) (9.25 Rear) (Dana 44 Front) (727) (NP241), I have common sense, I just choose to ignore it. We tailor to all years of Cummins diesels and Mopar related Trucks, Jeeps and SUVs, and with the vast tech and help knowledge of our great members, you can get help or info on practically any make or model vehicle! Some owners reporting that they’ve replaced one or both sides multiple times with under 100,000 miles on the truck. 251 Posts #3 • Sep 25, 2011. The manual does not say anything about not driving highway speeds in 4hi. transfer case engages into 4hi, n, 2hand 4low. DODGE RAM FORUM - Dodge Truck Forums. The 4-wheel-drive Is Not Engaging. Top Answer. The 2011 Dodge Ram 1500 has 1 problems reported for 4 wheel drive won't engage but dash says it is. Jump to Latest Follow 1 - 11 of 11 Posts. The vacuum hose is shot. This is a link that discusses the problem with the front axle actuator not functioning properly. RamchargerCentral.Com is a FREE online Mopar Truck, Jeep, Cummins & SUV Community built by a ton of great knowledgeable members. 4 Wheel Drive Locks Up When Turning. My 1997 dodge ram 2500 wont go into 4x4. Each 4 wheel drive system has its own requirements for how you engage and disengage it and when you can operate the vehicle in 4WD mode. The Indicator Lamp Is Lit On The Dash. It could be a loose vacuum line, a weak or clogged vacuum line, or a leaking or weak vacuum canister (i dont know if 98's still use a vacuum canister but my 95 318 did), or maybe lines hooked up wrong. I have a 1998 dodge ram 1500 4x4. My 2001 S-10 had this problem from time to time and it turned out to be an inexpensive switch on the dash. Average failure mileage is 37,300 miles. Last night it worked fine, I put the truck in 4wd in Park and the light came on. The 2008 Dodge Ram 1500 has 21 problems reported for won't engage 4 wheel drive. 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