Cummins diesel engines

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Cummins diesel engines

Home > Discussion Forum > Mechanic's Corner - Engines

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All Messages in Thread	Author	Date
Cummins diesel engines	Bonnie duncan	1-23-02
My r.v. had a melt down going thur the mts. of w.a. my extented warr. wont cover new eng. they are trying to blame me idid all the maint. checked fluids two of the pistons melted this is the puzzle i thought i ran out of diesel tow truck came .under my r. v was a puddle of antifreeze and oil tow it to cummins dealer its still there waiting two questions is a warr, worth anything oh i only drove it 300000 miles it is a 93 dolphin it had 55000 now has56000 help what happened
Re: cummins diesel engines	Kent	1-24-02
My r.v. had a melt down going thur the mts. of w.a. my extented warr. wont cover new eng. they are trying to blame me idid all the maint. checked fluids two of the pistons melted this is the puzzle i thought i ran out of diesel tow truck came .under my r. v was a puddle of antifreeze and oil tow it to cummins dealer its still there waiting two questions is a warr, worth anything oh i only drove it 300000 miles it is a 93 dolphin it had 55000 now has56000 help what happened Warranties are very specific as to what is covered and as to what repairs will be done. You need to be told the exact cause of the failure, then you can go from there as to providing reciepts for routine maintainance performed per owner's manual. Since you bought the rig used, these items may have been neglected by the previous owner, something you can't be faulted for, however if that neglect led to the engine failure, then the warranty doesn't cover the repair needed now. I would suggest you have an independent Diesel engine mechanic look at the engine for his opinion as to the cause of the breakdown.
Re: cummins diesel engines	Patty Jones	8-20-05
I have a 2002 Dodge Diesel 2500. It has about 85,000, and have already had to replace the TPS sensor. Was told it was not under warranty. Took it in to the dealer Friday, and they told me the lift pump and injector pump are bad and need replacing. Injector pump is covered...my question is, why isn't the lift pump covered under the 100,000 power train warranty as well? Thanks for any info. you can supply. Dealer told me the lift pump was not considered part of the motor.
Re: cummins diesel engines	Mark O.	1-25-02
One of the things you can't do with a Cummins is run them hot. I am not referring to the coolant but to the cylinder head temp. I have seen my pyrometer go way over 950 degrees with the coolant temp below 180 degrees. At 1000+ degrees cylinder head temp you can start melting down pistons. Considering how few miles the engine has traveled I would make a guess at improper operation or maintenance and not a fault on the part of Cummins. Good luck. Mark O.