The AC/heater (HVAC) system may unexpectedly switch to the defrost mode when accelerating. This system is operated by engine vacuum and should be inspected for any vacuum leaks if this problem develops. There is also a revised vacuum check valve available to address this concern.
Resources for the Repair and Maintenance of your 2001 Dodge Ram Wagon 3500
2001 Dodge Ram Wagon 3500
2001 Dodge Ram Wagon 3500 Problems
On the 3.9L V6, 5.2L V8 and 5.9L V8 the Oil leaks commonly from the valve cover gaskets, intake manifold gaskets (front and rear), timing cover gaskets, distributor O-ring, and the rear main seal area. Using fluorescent engine oil dye can be helpful in determining the source(s) of the oil leak.
Some vehicles may exhibit one or more of the following: Spark knock complaints when the vehicle is under load, various single cylinder misfire, and surge in 4th gear (around 45 mph). Our technicians tell us that rerouting the coil and spark plug wires to minimize induction effects will commonly correct this condition. If wires must cross during the reroute procedure, they must cross at a 90 degree angle.
On 3.9L V6 and 5.9L V8 engines, the intake manifold gasket may leak and cause increased oil consumption and a spark knock during acceleration; the gasket should be replaced.
Leak detection pump failure can be caused by the internal diaphragm switch sticking, or in some cases, contamination from debris or carbon particles from vapor canister. If black carbon particles are present in the LDP, replace vapor canister in addition to LDP. The purge solenoid should also be checked for debris or carbon contamination and replaced as necessary. All evap system hoses are subject to cracking and splitting causing leaks, Inspe...
2001 Dodge Ram Wagon 3500 Questions and Answers
2001 Dodge Ram Wagon 3500 Reviews
One ton van used for wheelchair duty so it carries one or two wheelchair folk and one driver and maybe another passenger so not carrying much weight. I was told by dealer and independent that having to do upper and lower ball joints and one control arm at 43k not unusual. I:t was under Warrenty ,so not so bad. But now, at 70k it is starting to clunk again. A/c has had frequent breakdowns from blower under dash, to fan only works on highspeed, to rear a/c out again, parts can take 2 weeks for dealer to get ( and that was in 2003!!)
Its a big box and can haul lots of stuff. Front seats are fine takes forever to stop but its a big box. Ran it across desert in cross winds to Ca coast and it did fine at 70+mph.
has a 411 rear and big V8 wanted the limited slip and only way to get it so it gets about 11mpg
dealer takes the Ram in name seriously rammed it twice while in for service warentey over so now go to independent guy. He is much easier to deal with than 2 dealers I tried.