29400 01 summary 29400 01 special coverage.
2013 duramax def heater.
On certain vehicles that are equipped with a diesel engine rpo lml lgh luz a malfunction indicator light mil may illuminate due to an offset in the temperature sensor in the diesel emission reduction fluid def tank reservoir or increased def tank heater resistance.
This article will take a look at the duramax reductant tank heater issues that are most common and advise the best repair.
Simply put the reductant tank heater refers to the heater that keeps the def or reductant warm when temperatures are below freezing.
Some say the entire def tank has to be replaced and some say just the heater needs to be replaced.
That urea crap is extremely corrosive and it is going to corrode the heater.
The reductant which is a reducing agent helps reduce oxides of nitrogen nox within the.
Everybody who has a diesel particulate filter and def tank will have an issue with the tank heater and then probably the def pump.
And it will probably happen right after the 120 000 mile mark.
Your order may be eligible for ship to home and shipping is free on all online orders of 35 00.
10135147 manufacturer communication number.
Does anyone have the part number.
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It is not a matter of if it will go bad but when.