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01-04-2022, 06:54 PM
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#1
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Member
Entegra Owners Club
Join Date: Feb 2019
Posts: 46
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Dreaded DEF head failure
So, we took off this morning from the Gig Harbor area heading to AZ in our 2019 Cornerstone. Before we made it to Tacoma the DEF display lit up with bright amber icons. Stopped, called Spartan, and they confirmed DEF sensor failed. Now in Eugene waiting for Spartan to send a new sensor head to the Cummings dealer here. Sigh. I knew it was coming.
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01-04-2022, 07:09 PM
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#2
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Senior Member
Join Date: Aug 2016
Location: Scottsdale, AZ
Posts: 3,122
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Sorry to hear you experienced this all-too-common problem.
If possible, look at the tag on the new DEF head and let us know what generation it is. The tag should look something like what you see in the photo below.
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Larry & Amy Beckner
Scottsdale, AZ
2022 Newmar Super Star 4061
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01-05-2022, 05:57 AM
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#3
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Senior Member
Entegra Owners Club
Join Date: Apr 2007
Location: SW FL
Posts: 31,735
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Good heads up for those that have not built the simulator and plan on a long trip with the OEM DEF sensors. They can and do go out at any time. Thankfully both of mine were at home, but having 2 failures made me a believer in the simulator units. Sorry yours put a delay in your trip.
__________________
Chuck in SW FL
Digital 2021 Cornerstone "B"
A "Digital" 2019 Cornerstone "B" Traded
A "Classic" 2014 Anthem 42 RBQ---Sold
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01-05-2022, 09:39 PM
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#4
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Senior Member
Join Date: Oct 2012
Location: Louisiana
Posts: 11,537
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Has anyone had a honest talk with Spartan about their experience with the Gen 5 (or whatever the heck the most current DEF head is called) DEF head at this point. I think they have been installing them for about 6 months....
What is the failure rate of the most recent DEF heads at this point?
Gary
__________________
Gary and Dee, Zowie and Bowie (traveling cat sibs)
2019 Cornerstone 45B, X15-605hp, Imperial, Spartan K3,
2013 Honda CR-V toad, Demco Excali-Bar II,
Demco Baseplate, Demco Toad Light system, 73 de W5FI
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01-06-2022, 04:57 AM
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#5
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Senior Member
Entegra Owners Club
Join Date: Apr 2007
Location: SW FL
Posts: 31,735
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The latest DEF sensor was the Gen 7. I believe Larry is asking for the new part number to see if Spartan is still shipping Gen 7's or if they have moved to Gen 8. I was hoping the number for the DEF head will be posted as well.
__________________
Chuck in SW FL
Digital 2021 Cornerstone "B"
A "Digital" 2019 Cornerstone "B" Traded
A "Classic" 2014 Anthem 42 RBQ---Sold
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01-06-2022, 07:18 AM
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#6
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Senior Member
Join Date: Oct 2012
Location: Louisiana
Posts: 11,537
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Chuck
On Larry's example label, the Generation is printed directly on the label.... Gen 6.
I am going to call Spartan later today and see what they tell me the failure rate is on Gen 7 or if there is now a Shaw Industries Gen 8.
Gary
__________________
Gary and Dee, Zowie and Bowie (traveling cat sibs)
2019 Cornerstone 45B, X15-605hp, Imperial, Spartan K3,
2013 Honda CR-V toad, Demco Excali-Bar II,
Demco Baseplate, Demco Toad Light system, 73 de W5FI
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01-06-2022, 07:41 AM
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#7
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Senior Member
Join Date: Jul 2017
Location: Cypress, Tx.
Posts: 1,164
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Quote:
Originally Posted by Gary.Jones
Chuck
I am going to call Spartan later today and see what they tell me the failure rate is on Gen 7 or if there is now a Shaw Industries Gen 8.
Gary
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Good luck on getting an honest answer. Lets us know what they tell you.
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2014 Foretravel IH45
Houston (Cypress), TX.
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01-06-2022, 07:49 AM
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#8
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Senior Member
Join Date: Oct 2012
Location: Louisiana
Posts: 11,537
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Understood.... 
Gary
__________________
Gary and Dee, Zowie and Bowie (traveling cat sibs)
2019 Cornerstone 45B, X15-605hp, Imperial, Spartan K3,
2013 Honda CR-V toad, Demco Excali-Bar II,
Demco Baseplate, Demco Toad Light system, 73 de W5FI
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01-06-2022, 07:54 AM
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#9
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Senior Member
Entegra Owners Club
Join Date: Apr 2007
Location: SW FL
Posts: 31,735
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Quote:
Originally Posted by Gary.Jones
Chuck
On Larry example label, the Generation is printed directly on the label.... Gen 6.
I am going to call Spartan later today and see what they tell me the failure rate is on Gen 7 or if there is now a Shaw Industries Gen 8.
Gary
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Larry and I both had our replacements as Gen 6's. My 21 had a Gen 5 replaced with a 6. I have not heard of any failures with Gen 7 and do not know where they started them in production. See if they will give that information when you call.
__________________
Chuck in SW FL
Digital 2021 Cornerstone "B"
A "Digital" 2019 Cornerstone "B" Traded
A "Classic" 2014 Anthem 42 RBQ---Sold
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01-06-2022, 08:22 AM
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#10
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Senior Member
Join Date: Aug 2016
Location: Scottsdale, AZ
Posts: 3,122
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Quote:
Originally Posted by brobox
The latest DEF sensor was the Gen 7. I believe Larry is asking for the new part number to see if Spartan is still shipping Gen 7's or if they have moved to Gen 8.
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Correct.
Quote:
Originally Posted by brobox
Larry and I both had our replacements as Gen 6's. My 21 had a Gen 5 replaced with a 6. I have not heard of any failures with Gen 7 and do not know where they started them in production. See if they will give that information when you call.
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Chuck, I think it was about two weeks after they shipped me a Gen 6! 
__________________
Larry & Amy Beckner
Scottsdale, AZ
2022 Newmar Super Star 4061
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01-06-2022, 08:58 AM
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#11
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Senior Member
Join Date: May 2018
Posts: 823
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I was told by Spartan that chassis built in July 2021 going to Newmar were gen 7’s.
__________________
John, Sharon & (Luna)-Blk.Tri.Australian Sheppard
2022 Newmar LA 4551, 2019 DS4018 Sold
21' Tahoe Z71, Demco base, Avail bar, Air Force 1.
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01-06-2022, 09:27 AM
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#12
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Registered User
Join Date: Apr 2021
Posts: 288
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Quote:
Originally Posted by brobox
Larry and I both had our replacements as Gen 6's. My 21 had a Gen 5 replaced with a 6. I have not heard of any failures with Gen 7 and do not know where they started them in production. See if they will give that information when you call.
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Spartan sent me a gen7 mid to late April 2021. I think they had just come out.
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01-06-2022, 09:30 AM
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#13
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Senior Member
Join Date: Oct 2012
Location: Louisiana
Posts: 11,537
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Has anyone had a Gen 7 fail yet?
Gary
__________________
Gary and Dee, Zowie and Bowie (traveling cat sibs)
2019 Cornerstone 45B, X15-605hp, Imperial, Spartan K3,
2013 Honda CR-V toad, Demco Excali-Bar II,
Demco Baseplate, Demco Toad Light system, 73 de W5FI
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01-06-2022, 05:47 PM
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#14
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Member
Entegra Owners Club
Join Date: Feb 2019
Posts: 46
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Parts received
Got the def sensor overnight from Charlotte to Eugene. It will be installed tomorrow at Cummins in Coburg OR. No tag on the unit, but the bill of lading shows that it is a Gen 7. Hope that it solves the problem.
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