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2013 Chevrolet Silverado Truck

M

Mahammad

Well-Known Member
Joined
Jul 2, 2015
Messages
60
Location
Erbil
hello,
I want to buy a 2013 Chevrolet Silverado 4X4 truck disel fuel engine. I want to know in its engine system has exhaust diesel fluid. It has a tank under passenger set in outside and refill by this fluid inside hood.
Is there anyone advise me whats the function of this system and how can I refill the tank? And is this fluid needs changing like engine and transmission pil?
Thanks.
 
DMiller

DMiller

Senior Member
Joined
Feb 21, 2010
Messages
16,575
Location
Hermann, Missouri
Occupation
Cheap "old" Geezer
DEF as is known US is a Urea based liquid to activate the catalyst required in the exhaust system. The DEF tank has a sensor when gets low then places the engine processor into a 'Limp' mode if gets too low. There are aftermarket bypass or elimination products if your nation does not require the use, otherwise you will need find a supplier to refill as needed but it does not need changing as oil.
 
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