Easy lifehacks

What does a Def heater do?

What does a Def heater do?

All DEF systems require heating elements to prevent DEF fluid from freezing at temperatures less than 12 degrees Fahrenheit. DEF Heating Pots are designed to quickly return DEF to liquid form, ensuring proper flow through the lines and pump unit.

How do you replace a Duramax DEF tank heater?

The procedure to replace the tank heater is the same for Duramax trucks from 2011-2016 as the location was unchanged. The DEF tank will need to be dropped for easiest access as the tank heater will be removed from the top of the tank. There are two straps that secure the tank in place, both will need to be removed.

What happens to service exhaust system after Def heater tank replacement?

2011 duramax LML I was getting error code p20b9, replaced the reduction tank, DEF heater tank, whatever you want to call it (part 23379346) but am still getting the ‘Service Exhaust Fluid System’ message. What needs to happen after this is replaced (if anything)? I’ve heard …

Where is the DEF tank fill on a Duramax Diesel?

Often times mentioning Diesel Exhaust Fluid (DEF) to a diesel owner will bring a solemn look to their face. DEF is probably a little more frustrating to Duramax owners due its inconvenient DEF tank fill location and common reductant tank heater issues.

How long does the GM Def heater warranty last?

I called dealer yesterday (11/10/17) And new e-mail out saying GM is revising warrantee on this part for 12 years or 120,000 miles. So GM has noticed that there are problems out there with the DEF heater. Got a check engine light tonight.

The procedure to replace the tank heater is the same for Duramax trucks from 2011-2016 as the location was unchanged. The DEF tank will need to be dropped for easiest access as the tank heater will be removed from the top of the tank. There are two straps that secure the tank in place, both will need to be removed.

2011 duramax LML I was getting error code p20b9, replaced the reduction tank, DEF heater tank, whatever you want to call it (part 23379346) but am still getting the ‘Service Exhaust Fluid System’ message. What needs to happen after this is replaced (if anything)? I’ve heard

Often times mentioning Diesel Exhaust Fluid (DEF) to a diesel owner will bring a solemn look to their face. DEF is probably a little more frustrating to Duramax owners due its inconvenient DEF tank fill location and common reductant tank heater issues.

I called dealer yesterday (11/10/17) And new e-mail out saying GM is revising warrantee on this part for 12 years or 120,000 miles. So GM has noticed that there are problems out there with the DEF heater. Got a check engine light tonight.

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Ruth Doyle