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Resources for the Repair and Maintenance of your 2003 Dodge Ram Van 1500

2003 Dodge Ram Van 1500

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2003 Dodge Ram Van 1500 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

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.

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...

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 1500 Questions and Answers

mudlab4x4, 2003 Dodge Ram Van 1500, Oklahoma City, OK

yes i have a 2oo3 dodge ram pu that i bought used and i drove for 32511 miles and it over heated i took my truck into a garage and they told me that the truck had the wrong heads on it and that i...

xcrmom, 2003 Dodge Ram Van 1500, 5.9L V8, Burnsville, MN

My windshield wiper fluid froze. I took the reservior off and thawed everything. I then blew air into the lines and cleared them. Now, my wipers work, but I am not getting any fluid. I tried a ...

danny45, 2003 Dodge Ram Van 1500, 3.9L V6, Jacksonville, FL

I have a 2003 van that as I accelerate my engine makes a whining noise like air is coming in someplace or as I asked my mechanic is probably being caused by the serpentine belt needing to be replac...

EngineSam343, 2003 Dodge Ram Van 1500, V8, New Harmony, IN

Problem occurrs every time - I have changed the spark plugs and it still happens

Visitor, 2003 Dodge Ram Van 1500, Scottsbluff, NE

I have removed the 2 clips on the engine cover, are there any other bolts? I can't find anything else, and It wiggles, but does not come off. Just trying not to break any of the plastic stuff.

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