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02-28-2019, 03:21 PM
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#1
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Senior Member
Join Date: Nov 2013
Posts: 523
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2008 6.7 ISB Coolant Type?
I am coming up short trying to find the type of coolant my 2008 Cummins 6.7L ISB uses.
The manual says to use Texaco JC04 or Van Waters & Rogers No. 6038. I have no earthly idea what they mean by that. Google isn't turning up anything useful, either.
THANKS!
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02-28-2019, 04:33 PM
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#2
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Senior Member
Join Date: Nov 2015
Posts: 26,848
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2007.5---2012 6.7L ISB ----5.7 gallon capacity
MOPAR 100,000 mile/5 year anti-freeze
50/50 distilled water & coolant
( MOPAR 68048953AB)
6.7L Cummins Maintenance Schedule & Service Information
__________________
I took my Medication today. HAVE YOU?
Dodge 3500 w/Tractor Motor
US NAVY---USS Decatur DDG-31
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02-28-2019, 05:07 PM
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#3
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Senior Member
Join Date: Nov 2013
Posts: 523
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Quote:
Originally Posted by Old-Biscuit
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!!!THANKS!!!
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02-28-2019, 07:45 PM
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#4
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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ISB is a native bore engine so no liners to pit unlike bigger engines that use wet liners. Cummins used to say any antifreeze was OK. But they may have changed that by now.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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02-28-2019, 07:59 PM
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#5
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Senior Member
Join Date: Nov 2013
Posts: 523
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Quote:
Originally Posted by Mr_D
Cummins used to say any antifreeze was OK.
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Opinions range all over the place. About the only consistent thing is low silica. As far as I'm concerned, I am most interested in extended change intervals. Well, that and decent protection.
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03-01-2019, 06:45 AM
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#6
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Senior Member
Fleetwood Owners Club Freightliner Owners Club
Join Date: Feb 2012
Location: Central Arkansas
Posts: 1,380
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Been using Peak Final Charge from WalMart for years.
__________________
2008 Fleetwood Bounder 38S 2022 Grand Cherokee WK Limited 2021 Polaris Slingshot R Limited
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03-01-2019, 07:39 AM
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#7
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Senior Member
Join Date: Nov 2013
Posts: 523
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Quote:
Originally Posted by mevman
Been using Peak Final Charge from WalMart for years.
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No kidding? Well, it's certainly a lot cheaper than that Mopar stuff! I'll look at that as an option. Thanks!
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03-01-2019, 08:17 AM
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#8
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Moderator Emeritus
Monaco Owners Club Texas Boomers Club
Join Date: Nov 2015
Location: Central Texas
Posts: 13,426
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Quote:
Originally Posted by deprived
No kidding? Well, it's certainly a lot cheaper than that Mopar stuff! I'll look at that as an option. Thanks!
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It's good for their bigger ISC and ISL so it should be good for the ISB too.
__________________
Dennis and Katherine
2000 Monaco Dynasty
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03-01-2019, 12:51 PM
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#9
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Senior Member
Join Date: Feb 2015
Location: Huntingtown, MD
Posts: 834
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Flush...Flush...Flush, then add Peak Final Charge+distilled water.
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Earl & Sharon, 2008 Fleetwood Expedition, ISB 6.7
1995 Jeep YJ/2013 Chevy Sonic
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03-02-2019, 05:46 AM
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#10
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Senior Member
Fleetwood Owners Club Freightliner Owners Club
Join Date: Feb 2012
Location: Central Arkansas
Posts: 1,380
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Quote:
Originally Posted by hayward3411
Flush...Flush...Flush, then add Peak Final Charge+distilled water.
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I would agree a good flush is in order prior to any coolant change. However I wanted to do a straight concentrate mix on my own once....and although I found concentrate was in manufacture...it was special order only.
The comment of Final Charge with distilled water more likely is moot as all coolants come pre-mixed 50/50 these days.
On a note of longevity....I used Final Charge in a Ford Powerstroke 7.3 diesel engine for over 300,000 miles with no change or additive.
__________________
2008 Fleetwood Bounder 38S 2022 Grand Cherokee WK Limited 2021 Polaris Slingshot R Limited
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03-02-2019, 05:53 AM
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#11
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Senior Member
Join Date: Feb 2015
Location: Huntingtown, MD
Posts: 834
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I ordered Final Charge concentrate, cheaper that way, so distilled water was a necessity.
__________________
Earl & Sharon, 2008 Fleetwood Expedition, ISB 6.7
1995 Jeep YJ/2013 Chevy Sonic
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03-02-2019, 05:57 AM
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#12
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Senior Member
Fleetwood Owners Club Freightliner Owners Club
Join Date: Feb 2012
Location: Central Arkansas
Posts: 1,380
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Quote:
Originally Posted by hayward3411
I ordered Final Charge concentrate, cheaper that way, so distilled water was a necessity.
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I don't know about cheaper...but roger that on special order. Like I said. Just didn't want someone to thing they should add water to the pre-mix....which is what is commonly available. 
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2008 Fleetwood Bounder 38S 2022 Grand Cherokee WK Limited 2021 Polaris Slingshot R Limited
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03-02-2019, 11:38 AM
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#13
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Senior Member
Join Date: Nov 2013
Posts: 523
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Quote:
Originally Posted by hayward3411
I ordered Final Charge concentrate, cheaper that way, so distilled water was a necessity.
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Other than cost, is there any other advantage to doing your own mix?
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03-02-2019, 12:07 PM
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#14
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Senior Member
Fleetwood Owners Club Freightliner Owners Club
Join Date: Feb 2012
Location: Central Arkansas
Posts: 1,380
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Quote:
Originally Posted by deprived
Other than cost, is there any other advantage to doing your own mix?
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There is really. When you flush your system with water...you really never get all of the water out. Using concentrate allows one to mix the proper ratio on refill using a tester and correct amounts of distilled water.
I just noted that my local O'Reilly's Auto Parts is carrying the Final Charge Concentrate for $30/gal. I am pleased as I would like to do a flush on the motorhome.
__________________
2008 Fleetwood Bounder 38S 2022 Grand Cherokee WK Limited 2021 Polaris Slingshot R Limited
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