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Resources for the Repair and Maintenance of your 2003 Dodge Ram Van 2500

2003 Dodge Ram Van 2500

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2003 Dodge Ram Van 2500 Problems

Heating & Air Conditioning -- Verified

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.

Engine -- Verified

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.

Exhaust & Emissions -- Verified

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...

Exhaust & Emissions -- Verified

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.

Engine -- Verified

On the 3.9L V6 and 5.9L V8 the engine oil leaks at the distributor can be misdiagnosed as leaks from the intake manifold seal, oil pan gasket, or rear crankshaft (rear main) seal. A revised distributor is available if oil is found inside the distributor.

2003 Dodge Ram Van 2500 Questions and Answers

Visitor, 2003 Dodge Ram Van 2500, V8, Darby, PA

APPROXIMATE COST TRANSMISSION REPLACEMENT

doorbrat, 2003 Dodge Ram Van 2500, Greensboro, MD

my work van's heater & a/c only blows air with the fan on high. i bought a new blower motor resistor, i hope will fix the problem. so how do i change it? do i get to it under the hood or r...

boboakes, 2003 Dodge Ram Van 2500, 5.9L V8, Readfield, ME

I drove it like this for about 100 miles and then the check engine light came on ... what could be the problem?

oggiejax, 2003 Dodge Ram Van 2500, 5.9L V8, Hacienda Heights, CA

can't stay running.the foot break pressed down while changing gears. most days will stall.

ls6454, 2003 Dodge Ram Van 2500, 5.9L V8, Creswell, OR

Yesterday the engine started to rev-up when put in any gear, like your power braking a little. If you take your foot off the brake, it accelerates to 5 mph on its own rapidly, then lets up. While s...

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