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11-26-2020, 08:09 PM #21
Last edited by geotex1; 11-26-2020 at 10:29 PM.
Rob & Nikki + Cloverfield
2020 Grand Design Solitude S-Class 3350RL
2015 RAM 3500 Longhorn Laramie Crew Cab, Long Bed, 4x4 Dually Cummins/AISIN
Mountains of Pennsylvania
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11-26-2020, 09:46 PM #22
- Join Date
- Oct 2017
- Location
- Innisfil, Ontario
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- 395
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If you want to learn good bit about DEF, watch the two videos from Motorcity Mechanic. He includes a full video about how to test.
Part 1: Tech talk #8 Part 1/2: Everything you need to know about DEF fluid
https://youtu.be/Tvh7-KhGlzo
Part 2: Tech talk #8 Part 2/2: Everything you need to know about DEF fluid
https://youtu.be/yBGlx4XefrM
After watching a ton of silly videos on how to decode date codes on boxes, I’ll stick with the Mopar DEF for my new truck. It’s almost the same price as most of the others and I can’t justify saving a few dollars and risking bad or substituted DEF on a $100,000 truck!
At least Mopar puts the expiry date right on the jug in English and the dealer can never blame the quality of the DEF when I have the receipt and the jug showing it’s not expired.
Too many horror stories out there.Last edited by Thorvald; 11-26-2020 at 09:49 PM.
2022 Momentum 25G (aka "Baby Mo")
2020 Ram 3500 Laramie SRW | 6.7 HO Aisin | 6’4” bed | 3.73 gears | air suspension | 3694# Payload
Blog Post: 1500 Pickup’s and Towing - The REAL numbers with example
Blog Post: 2016-2018 Imagine 2800BH - 3500 lb Axles Tire Rubbing Issues
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11-28-2020, 11:11 AM #23
- Join Date
- Oct 2017
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- Reno, NV
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I have not found any difference in mileage in different DEFs. I try to buy mine at large truck stops, e.g., Loves, Circle J, etc. Cost in Nevada is $3.00 a gallon. Pump very slowly as the wide houses will split back at you.
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11-28-2020, 01:48 PM #24
This is what I do.
I would never use the pump DEF.
Truck stops are usually pig sties. The pumps often gross, including the DEF pumps. And you CAN get bad DEF at a truck stop. You have no way of knowing just how old or dirty the DEF coming out of the pump really is.... You are just trusting that it is OK.... Relying on some mimimum wage employee(s) that you never see to do their job right.
Using boxed DEF (WM has best price) I can make sure it is sealed and in code.
This is very important as any contaminents that find their way into the DEF tank can cause expensive/inconveinient problems.
Our trucks use so little DEF as to make the price differences immaterial2021 398M Full Body Paint 8k axles. LRH tires. Disc brakes.
Two bathrooms, no waiting 155 fresh, 104 black, 104 grey 1860 watts solar.
800AH BattleBorn Batteries No campgrounds 100% boondocking
2020 Silverado High Country 3500 dually crewcab Duramax Allison
Stupid question, do I need to...
Today, 01:39 PM in New To RV'ing, Purchase Questions & General Concerns