New to us Tow vehicle

[mlpeloquin]

I have a 2013 GMC Danali diesel dully. Sensor problems started around 39k miles. Finally solved at 51k miles. The problem was not the sensors at all, but the heaters in the def tank. Go figure. When they finally truly failed and were changed out, all sensor problems stopped.

 

[TravelTiger]

I have a 2013 GMC Danali diesel dully. Sensor problems started around 39k miles. Finally solved at 51k miles. The problem was not the sensors at all, but the heaters in the def tank. Go figure. When they finally truly failed and were changed out, all sensor problems stopped.

We had the def tank heater replaced over a year ago, and still have issues. One dealer said in the "records" they found the truck had the entire fuel system replaced, and they claimed some of the wiring was not reinstalled properly -- they fixed it when they replaced the def tank heater.

I just know that in the last year our confidence in the reliability of this truck deteriorated to the point it was time to look for something else.


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[carl.swoyer]

We had the def tank heater replaced over a year ago, and still have issues. One dealer said in the "records" they found the truck had the entire fuel system replaced, and they claimed some of the wiring was not reinstalled properly -- they fixed it when they replaced the def tank heater.

I just know that in the last year our confidence in the reliability of this truck deteriorated to the point it was time to look for something else.


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Travel ,
I'm hoping my new to me 2015 Silverado 3500 ltz dually has zero issues.
So far so good, and I have drivetrain warranty until the end of August.

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[carl.swoyer]

Traveltiger,
How often does the DEF require filling? I'm new to the DEF scene.
I've driven about 800 miles on the new to me Silverado ltz

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[travelin2]

Traveltiger,
How often does the DEF require filling? I'm new to the DEF scene.
I've driven about 800 miles on the new to me Silverado ltz

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Everyone will give you different answer. Check out this discussion

https://heartlandowners.org/showthread.php/71003-Def?p=586129#post586129


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