Some of the Ram 2500 6 4 hemi problems are loose gasket and oil leaks. Your air filter needs to be changed every 15,000 to 30,000 miles or so. The coolant needs to be changed every 60,000 miles. The spark plugs need to be replaced every 100,000 miles unless it's a copper one. A cooper spark plug needs to be replaced every 30,000 miles. You will come across many issues with an engine. You can have oil leaks and those need to be repaired quickly. A gasket may be loose and that needs to be tightened up quickly. A spark plug may pop off, causing engine issues. There could be excessive oil use, requiring the oil to be changed sooner than expected. A really serious problem is the engine overheating. This may lead to fires and the car exploding.
Bradley W.
April 9, 2020
Some common ram 2500 6.4 Hemi problems are related to transmission failure, power control module failure, and electrical issues.
Jp
October 16, 2020
2500 hemi 6.4 L heavy duty transmission has a permanent code: 1st gear ratio permanent 1/1! It will not erase even with a scanner. Could it be linkage or shifter on side of transmission. It will drive forward about 10 feet than disengages ?? How much trouble to replace 1st gear?
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