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10-12-2016, 01:27 PM
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#1
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Senior Member
Join Date: Mar 2015
Location: Akron, OH
Posts: 3,293
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Gas Gauge Freightliner M2
I have discussed it before that my gas gauge is way off, light comes on and when I fill it up it takes 50 gallons.
Well doing some research I found the following and thought I would share.
Freightliner draws from the drivers side tank and has a transfer tube from the passenger side.
Now the weird part. According to various online sources if we fuel the passenger side first then the drivers it will show a more accurate gauge. Havent tested it yet, but a lot of Jayco owners and other M2 owners said it works.
2016 Dynamax Force. Just-Rite2
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2023 Dynaquest XL 3700BD
Had...2018 Force HD, 2016 Force, 2014 Thor 33sw
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10-12-2016, 03:01 PM
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#2
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Member
Join Date: Oct 2016
Posts: 45
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Please let me know how this works out for you. I have owned a Jayco Seneca and now a DX3. Have heard of lots of different fixes but never this one. ??
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10-12-2016, 03:20 PM
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#3
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Senior Member
Join Date: Dec 2012
Location: Tennessee
Posts: 859
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At truck stops I use both fuel hoses and fill both tanks to the top.. never had inaccurate readings.
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Slim, RVing 30 plus years
2015 Dynamax DX3 37 RB
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10-12-2016, 04:39 PM
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#4
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Senior Member
Join Date: Mar 2016
Posts: 2,990
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Dont put GAS in your M2! (Sorry I couldnt resist  )
But in all seriousness I havent seen much issue. I usually stop at double pumps so I can pump both sides at the same time. I pretty reliably get about 25 gal per quarter tank showing on the gauge.
Now that's all after the drive home when I stopped twice without realizing the transfer pump only runs when the unit is on. Took me a little while to figure out why I was only get 3/4 tank each fillup...
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2016 Dynamax DX3 - Big Blue
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10-12-2016, 09:07 PM
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#5
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Senior Member
Join Date: Mar 2015
Location: Akron, OH
Posts: 3,293
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I use double pumps but have done drivers first then passenger. Cant wait to try this new crazy way.
Are you serious that I shouldn't use gas? That is probably my main issue. LMAO.
2016 Dynamax Force. Just-Rite2
__________________
2023 Dynaquest XL 3700BD
Had...2018 Force HD, 2016 Force, 2014 Thor 33sw
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10-13-2016, 08:01 AM
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#6
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Senior Member
Join Date: Mar 2016
Posts: 2,990
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Hehe it'll rock your world. I always joke that at truck stops with the big nozzles I can burn through $150 faster than I can wash my windshield lol
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2016 Dynamax DX3 - Big Blue
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10-13-2016, 09:14 AM
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#7
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Senior Member
Join Date: Mar 2015
Location: Akron, OH
Posts: 3,293
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It is funny how quickly the numbers fly on the truck pumps. But it is easier then trying to get a big RV into the car pumps, I dont miss those days.
2016 Dynamax Force. Just-Rite2
__________________
2023 Dynaquest XL 3700BD
Had...2018 Force HD, 2016 Force, 2014 Thor 33sw
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10-13-2016, 09:19 AM
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#8
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Senior Member
Join Date: Mar 2016
Posts: 2,990
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Definitely! And DEF at the pump is an amazing thing.
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2016 Dynamax DX3 - Big Blue
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10-13-2016, 09:39 AM
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#9
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Senior Member
Join Date: Mar 2015
Location: Akron, OH
Posts: 3,293
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The DEF thing tucks me off, its too expensive at the pump. I bought a 55 gallon drum of it, and I carry 5 gallons with me to travel. Much cheaper.
2016 Dynamax Force. Just-Rite2
__________________
2023 Dynaquest XL 3700BD
Had...2018 Force HD, 2016 Force, 2014 Thor 33sw
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10-13-2016, 09:56 AM
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#10
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Senior Member
Join Date: Mar 2016
Posts: 2,990
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Heh that works too. Pump is better than the 1 gal plastic bottles at least.
Save the world one plastic bottle at a time...
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2016 Dynamax DX3 - Big Blue
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10-13-2016, 12:42 PM
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#11
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Senior Member
Join Date: Aug 2016
Location: Finger Lakes - Ithaca NY
Posts: 263
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I had read Freightliner recommends to fill the passenger tank first, it must have to do with the transfer tube & how it works. If you are filling both at the same time at a duel pump it may not matter. If I find the link to that I will post it.
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David & Mary Button - Ithaca NY
2011 Dynaquest XL 36' Freightliner
Cummins ISC 330HP/1000TQ
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10-31-2016, 06:22 AM
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#12
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Senior Member
Join Date: Jul 2015
Posts: 210
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M2 has a half inch trans tube between tanks so I hear. Upgrade would be 1 inch to allow the fuel to level real time.
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10-31-2016, 06:27 PM
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#13
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Senior Member
Join Date: Mar 2015
Location: Akron, OH
Posts: 3,293
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Hum, I shall look at the line and see. Going to be under there soon when I put my parts list together for the rear air dump project.
2016 Dynamax Force. Just-Rite2
__________________
2023 Dynaquest XL 3700BD
Had...2018 Force HD, 2016 Force, 2014 Thor 33sw
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