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Resources for the Repair and Maintenance of your 1998 Dodge Ram Wagon 3500

1998 Dodge Ram Wagon 3500

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1998 Dodge Ram Wagon 3500 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 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.

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 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...

1998 Dodge Ram Wagon 3500 Recalls (Recent)

Body, Interior & Misc., May 30, 1998

Summary: VEHICLE DESCRIPTION: PASSENGER VEHICLES BUILT WITH POWER SEAT OPTION. THE DRIVER'S SIDE FRONT SEAT ATTACHING RISER WELDS WERE NOT CORRECT.

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1998 Dodge Ram Wagon 3500 Questions and Answers

Visitor, 1998 Dodge Ram Wagon 3500, V6, Tobyhanna, PA

on a 98.5 24 valve is the firing order 153624 and if so which is number 1 2 3 4 5 6 on the block

Visitor, 1998 Dodge Ram Wagon 3500, Warren, MI

i need to know firing order 318 v 8

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