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Will DEF tank or lines freeze up while driving or camping in…

Will DEF tank or...

Will DEF tank or lines freeze up while driving or camping in extreme cold weather?

Mechanic's Assistant: What's the make/model/year of your RV?

2014 Dutch Star 43.5 ft diesel pusher

Mechanic's Assistant: How old is the engine? And when was it last serviced?

4 years old, oil change and service on Feb 15th 2018

Mechanic's Assistant: What is the model of your '14 RV?

Dutch Star 4369

Mechanic's Assistant: Are you fixing your RV yourself? What have you tried so far?

I just want to know if I need to be concerned travielnig in sub freezing weather.

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Answered in 3 minutes by:
3/17/2018
Robert
Robert, RV Mechanic
Category: RV
Satisfied Customers: 15,057
Experience: 18 yrs. RV experience including Cummins North West, Country Coach, Monaco Coach - vendor certified.
Verified

Hi, I'm Robert. Welcome to JustAnswer. I'm reviewing your question now and will post back with your reply momentarily.

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Do you have a Cummins engine?

Robert

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Customer reply replied 5 months ago
sir 450

OK

Give me a few mins to type a response...

Robert

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Customer reply replied 5 months ago
No, just please answer my question about cold weather driving effects on DEF system

DEF will freeze at 12°F (-11°C). HOWEVER Cummins After treatment Systems are designed with heated lines and DEF tanks. In extremely cold conditions, they will rapidly thaw the DEF solution. There will be no delay in engine startup. SO nothing to be concerned on this....

Hope this answers your question, IF you are satisfied with my efforts please feel free to select a STAR rating on the page...

Robert

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Customer reply replied 5 months ago
Does extreme idling times in subfreezing weather effect DEF flow. Idle times of 3-4 hrs?

No it should not.

Robert

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Customer reply replied 5 months ago
Thank you. I will give you an excellent rev iew

Thanks, ***** ***** could help, you should be able to select a STAR rating on the page.

Have a Great Weekend, ROBERT

Robert
Robert, RV Mechanic
Category: RV
Satisfied Customers: 15,057
Experience: 18 yrs. RV experience including Cummins North West, Country Coach, Monaco Coach - vendor certified.
Verified
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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