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Problems for specific Dodge D350 years:

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Repairpal verified 1993 Dodge D350 problems

 

Verified for the Dodge D350

An internal oil leak may develop from the intake manifold plenum gasket. The symptoms could include engine spark knock on acceleration and increased oil consumption. Our technicians tell us that replacing the plenum gasket should correct this issue.

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Verified for the Dodge D350

A clunk noise may be noted from the driveline when the transmission down shifts from 4th to 3rd gear. A revised overdirve piston and thrust plate spacer for the overdrive unit are available to correct this issue.

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Verified for the Dodge D350

Carbon buildup on the top of the piston is common. Over time this can lead to symptoms varying from light ticking to knocking noises. Performing a fuel injector cleaning procedure can often help the condition by removing some of the piston top deposits.

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Verified for the Dodge D350

Carbon buildup on the top of the piston is common. Over time this can lead to symptoms varying from light ticking to knocking noises. Performing a fuel injector cleaning procedure can often help the condition by removing some of the piston top deposits.

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Verified for the Dodge D350

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.

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Verified for the Dodge D350

The blower motor may operate erratically and the blower switch operation has a sticky or mushy feeling, the detents almost non existent. Our technicians tell us that the blower switch should be removed and inspected for overheating. This is common if the blower motor is frequently operated on high speed as the current flow through the switch tends to melt internal the components. Also carefully inspect all of the switch connector terminals for discoloration due to overheating and replace as required. A poor electrical contact at the connector will also cause the switch to overheat.

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Verified for the Dodge D350

The following cooling system components are prone to leaks: Thermostat housing gasket, water pump, heater tube o-ring at water pump housing, intake manifold gasket, and timing cover gasket. These are generally external, not internal coolant leaks so intermix with the engine oil in uncommon.

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Verified for the Dodge D350

The powertrain control module (PCM) may fail resulting in a lack of AC cooling. The lack of cooling could be caused by evaporator freeze-up due to the AC compressor staying on continuously or conversely, not coming on at all. Proper diagnoses of the PCM should be performed before replacing it for this concern.

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Verified for the Dodge D350

Oil leaks from the valve cover gaskets, timing cover gasket, distributor o-ring, and rear main seal area are common. The leak at the rear main seal area is generally not the seal itself but the bearing cap to the engine block seal. An oil leak could also be internal to the distributor, if oil is found inside the distributor then the distributor should be replaced.

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Verified for the Dodge D350

Engine oil seepage may occur at the oil filter adapter plate. Our technicians recommend to check the adapter plate for warping and replace the plate as necessary.

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Verified for the Dodge D350

Transmission fluid may leak from the area of the vehicle speed sensor. Replacement of the vehicle speed sensor and/or the speedometer adapter may be required to correct the leak.

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Verified for the Dodge D350

Automatic transmission fluid may leak from the fluid dipstick tube if the tube is not fully seated in the transmission case. If a leak from the dipstick tube is noted the o-ring seal should be replaced and the tube correctly installed.

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Verified for the Dodge D350

The fuse may blow repeatedly for the HVAC blower motor or the motor may stop working all together. Our technicians tell us that can often be repaired by replacing the blower motor switch with a revised switch and installing a wiring harness with a relay assembly.

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Verified for the Dodge D350

 

Cracking or popping sounds from the cowl area may be a result of cowl cracks at the lower corners of the windshield. The fenders must be removed to see the cracks. If cracks are found, a reinforcement kit is available to correct the condition.

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Verified for the Dodge D350

A condition may develop where the fuel gauge reads empty with too much fuel still in the fuel tank. Our technicians tell us that installing a new wire harness that provides a common ground for the fuel gauge and sending will correct this issue.

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