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08-17-2018, 11:29 AM
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#1
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Montana Fan
Join Date: Oct 2017
Location: Tyler
Posts: 188
M.O.C. #20704
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Not a diesel forum but ...
Pulling a Montana 3730 FL up I-70 through Vail towards Glenwood Springs, the turbo charger on my 2015 Ram 3500 SWB was registering over 50% and seemed to be stuck on - even when descending with only the engine brake to slow us down. I am pretty new to diesels and really ignorant on turbo chargers in general. It is the 6.7 cummins engine. The truck performed really well, but I wasnt sure if the turbo charger was getting ready to explode - sounded like a jet engine - which was pretty cool, but it was scaring the DW. It finally started behaving when we got down the other side. Should I be concerned? Still got a long way to go.
Thanks,
Max
__________________
Maxwell and Beverly Dow
2018 3730FL 2020 Ram 3500 Dually SWB
"Prairie Schooner"
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08-17-2018, 11:55 AM
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#2
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Montana Master
Join Date: Jun 2014
Location: Vancouver Island
Posts: 894
M.O.C. #14417
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Don't know about your Cummins but on my Duramax when the fan cuts in in sounds like you said a jet engine. Fan cuts out when temps go down.
__________________
Lenny and Ros
2012 Montana 3400RL,680 Watts Solar,4xT-105 Trojans,GP-ISW2000-12 Inverter,Trimetric 2020, EMSHW50C
2009 Chevy Silverado 3500 LTZ Duramax 4x4 CC Dually, Banks Speed Brake
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08-17-2018, 02:27 PM
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#3
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Montana Master
Join Date: Jun 2018
Location: Folsom, California
Posts: 554
M.O.C. #21903
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Same thing happens with my F250. Fan clutch will kick in when climbing the mountains. Sounds like a jet engine. Shortly after going over the top of the hill, the fan cuts out.
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'05 F250 6.0 Bullet Proofed - Sold
'17 F350 6.7 Lariet
'02 Montana 3280RL Upgraded a bunch.
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08-17-2018, 02:58 PM
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#4
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,718
M.O.C. #12947
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Both my last couple of F450’s at work and now my Duramax do that when pulling grades, and my DW also was concerned. She’s finally used to it. It’s when the fan clutch doesn’t kick in you should be very concerned.
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Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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08-17-2018, 03:33 PM
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#5
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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Our Ram does that and has lasted 7 years and over 70,000 miles towing Montana's. The cats hate it, however, and yell until it stops.
__________________
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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08-17-2018, 04:25 PM
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#6
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,569
M.O.C. #2283
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It wasn’t your turbo it’s the fan. The fan doesn’t normally run except when the engine is working hard. If your transmission starts to overheat or the turbo temperatures are higher than they should be gear down and that will cool everything down.
Enjoy your truck. Don’t worry about it.
Lynwood
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08-18-2018, 06:26 AM
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#7
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Montana Fan
Join Date: Oct 2017
Location: Tyler
Posts: 188
M.O.C. #20704
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Quote:
Originally Posted by mlh
It wasn’t your turbo it’s the fan. The fan doesn’t normally run except when the engine is working hard. If your transmission starts to overheat or the turbo temperatures are higher than they should be gear down and that will cool everything down.
Enjoy your truck. Don’t worry about it.
Lynwood
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Many thanks to all replies on this thread - for some reason I cannot post Thanks indivudually but again, I really appreciate everyones input here. Now if the fires in Glacier squelched, I will be on my way.
Max
__________________
Maxwell and Beverly Dow
2018 3730FL 2020 Ram 3500 Dually SWB
"Prairie Schooner"
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08-18-2018, 06:44 AM
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#8
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Montana Master
Join Date: May 2006
Location: Ronan
Posts: 513
M.O.C. #5756
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Glacier national park is open with the road to the sun closed right now. Some of the campgrounds are evacuated. But all the lodges are open. Very smoky up here air quality is terrible. We live about a hour south of the park and have been watching the updates. We had dry lightning come through this morning about 4:30am so I’m waiting to hear if any new fire starts. Hope this helps you with your plans.
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