Is DPF issue for 2014 CRD fixed now? - Page 33 - Jeep Garage - Jeep Forum

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  #385  
Old 11-14-2014, 05:26 PM
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Re: Is DPF issue for 2014 CRD fixed now?

Quote:
Originally Posted by Barboots View Post
Nothing worse than slow upshit.

Maybe disconnect the battery? It could save you a trip to the "service" department.

The dealer did full system scan n the report didn't show any anomalies; will contact other dealers whether experienced similar issue; re-flash the TSB as last resort.

I suspect somehow the memory cells got cleared accidentally during flash. The TSB does instruct (in bold letters) not to clear the memory during flash.

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  #386  
Old 11-14-2014, 08:02 PM
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Re: Is DPF issue for 2014 CRD fixed now?

The transmission's driver profile being lost isn't going to make it shift badly based on my experiences. Actually, from the US reports it's more likely to make it shift better.

Whenever I've disconnected the battery for a while to do electrical work, I've found that the trans shifts just fine afterwards.

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  #387  
Old 11-14-2014, 08:06 PM
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Re: Is DPF issue for 2014 CRD fixed now?

Steve, you need to clear some of your stored messages, PMs to you can't work at the moment.
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  #388  
Old 11-16-2014, 02:07 AM
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Re: Is DPF issue for 2014 CRD fixed now?

I have a 08/14 built date GC limited , had for 3 weeks with only 627km on it , have done 2 highway trips the rest are around town trips. Went into limp model today with no warning . Will ring dealership tomorrow, interesting times ahead . Dealer is 100km away !!


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  #389  
Old 11-16-2014, 02:12 AM
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Re: Is DPF issue for 2014 CRD fixed now?

That's really bad... I would be extremely sour. It's also disappointing that given your built date, Jeep are still building these things with the underlying problem.



Hopefully the dealer can be convinced to transport it both ways for you.

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  #390  
Old 11-16-2014, 04:24 AM
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Re: Is DPF issue for 2014 CRD fixed now?

I was in a auto shop today listening to someone talking about types of oils and DPF filters and different oils affect the filter. What.is peoples thoughts?
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  #391  
Old 11-16-2014, 05:59 AM
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Re: Is DPF issue for 2014 CRD fixed now?

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Originally Posted by Hutch801 View Post
I was in a auto shop today listening to someone talking about types of oils and DPF filters and different oils affect the filter. What.is peoples thoughts?
I think that's a red herring in the mix. Anecdata for our GC Overland:

Build date: 5 April 2013

Oil: First 30,000km - Shell Helix Ultra 5W-30
Oil: swapped out at 30,000k - Havoline C3 5W-30

Fuel: 80% of the time independent fuel supplier ie: not Shell/Caltex etc stations. Not sure where our local, 'just down the road- doubles as the local Bottle-O' gets their fuel from (the trucks are unmarked).

Short trips: All the time. 3 minutes to the General Store x 2 each day, 15 minute school run each morning and afternoon, 20 minutes to the local town maybe twice a week.

Highway driving: Some of that, maybe 3 times a month into Sydney. M7, M2 or M5 - say an hour or so each way but everyone does that as well.

Coming up close to 40,000kms - 15-16 months of ownership and no DPF failure.

So what is different?

All things being equal ie: sensors/software etc, the only thing that comes to my mind is that I frequently go revs high because of the environment.

Breaking out that 3 minutes to the General Store for example, I have to boot it out of our driveway to avoid being cleaned up by any oncoming traffic travelling at 100kms around the corner. Revs go to 3000-3500.

School run - same scenario leaving the driveway but also travelling up the steep incline S bend. Revs go high once again x 2 each day coupled with a few other up-hill and down-dale areas that revs also go high because I plant it. (For no other reason than I like the sound and power of it through the inclines)

Coming back, same steep S-bend - I brake into the first corner and allow the transmission to control it through the lower incline - Low speed but revs high. This is the longest that it holds high rev in this particular run - maybe 45 seconds.

Same scenario when I head to the local town. 100kms zone but up through 2 cuttings where revs once again go high.

Is this enough each day for a passive burn to occur? I don't know but everything being equal, I can't think of anything else that is different.
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  #392  
Old 11-16-2014, 06:27 AM
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Quote:
Originally Posted by SJandL View Post

I think that's a red herring in the mix. Anecdata for our GC Overland:

Build date: 5 April 2013

Oil: First 30,000km - Shell Helix Ultra 5W-30
Oil: swapped out at 30,000k - Havoline C3 5W-30

Fuel: 80% of the time independent fuel supplier ie: not Shell/Caltex etc stations. Not sure where our local, 'just down the road- doubles as the local Bottle-O' gets their fuel from (the trucks are unmarked).

Short trips: All the time. 3 minutes to the General Store x 2 each day, 15 minute school run each morning and afternoon, 20 minutes to the local town maybe twice a week.

Highway driving: Some of that, maybe 3 times a month into Sydney. M7, M2 or M5 - say an hour or so each way but everyone does that as well.

Coming up close to 40,000kms - 15-16 months of ownership and no DPF failure.

So what is different?

All things being equal ie: sensors/software etc, the only thing that comes to my mind is that I frequently go revs high because of the environment.

Breaking out that 3 minutes to the General Store for example, I have to boot it out of our driveway to avoid being cleaned up by any oncoming traffic travelling at 100kms around the corner. Revs go to 3000-3500.

School run - same scenario leaving the driveway but also travelling up the steep incline S bend. Revs go high once again x 2 each day coupled with a few other up-hill and down-dale areas that revs also go high because I plant it. (For no other reason than I like the sound and power of it through the inclines)

Coming back, same steep S-bend - I brake into the first corner and allow the transmission to control it through the lower incline - Low speed but revs high. This is the longest that it holds high rev in this particular run - maybe 45 seconds.

Same scenario when I head to the local town. 100kms zone but up through 2 cuttings where revs once again go high.

Is this enough each day for a passive burn to occur? I don't know but everything being equal, I can't think of anything else that is different.
Not sure. Both my wife and I both drive with the intent to get somewhere sooner rather than later. I beat pretty much everyone off at the lights when im driving, and my wife is a bit of a hoon. She definitely gives it a bit of a reving.

To me it seems a bit too coincidental that it happened 4 or 5 days and less than 30km after the 20,000km 12 mth service.

Does anyone know if a forced regen is part of the service? I was talking to my brother in law who has a diesel Volvo and part of its service is a forced regen. It makes sense to me...
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  #393  
Old 11-16-2014, 06:48 AM
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Re: Is DPF issue for 2014 CRD fixed now?

Quote:
Originally Posted by iboughtajeep View Post
Not sure. Both my wife and I both drive with the intent to get somewhere sooner rather than later. I beat pretty much everyone off at the lights when im driving, and my wife is a bit of a hoon. She definitely gives it a bit of a reving.

To me it seems a bit too coincidental that it happened 4 or 5 days and less than 30km after the 20,000km 12 mth service.

Does anyone know if a forced regen is part of the service? I was talking to my brother in law who has a diesel Volvo and part of its service is a forced regen. It makes sense to me...


Good point about the service but that does not explain our latest owner (Rod17) at only 627kms. But a regen should have been done prior to him taking delivery - (is that the latest thought/best practice?).

Making a regen as part of the service makes complete and utter sense I agree. I shall ask about regens at our 40,000km service but that won't be for a month or so since I have KL to drive around in also now.
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  #394  
Old 11-16-2014, 05:59 PM
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Re: Is DPF issue for 2014 CRD fixed now?

Quote:
Originally Posted by iboughtajeep View Post
Alot of people really struggling with the english language.
From what I can decipher, I think he is possibly suggesting that the DPF manufacturer sprays a protective coating on the dpf, probably so it doesn't rust, and this coating wasn't removed prior to the dpf being put into service, thus resulting in failed regeneration.
Yeah, I've heard the protective coating one too, but here's the thing, how does the dealer remove the protective coating? From what I read it is with a regen. If the protective coating is causing a blockage the sensor should detect a difference in air pressure and trigger an auto regen. It doesn't in many cases, and that seems to be the real issue.

Unless the protective coating is interfering with the sensors and that is why the auto regen doesn't occur.....?

edit: Interesting in that FB post they found that the cause of the problem was a kink in the sensor hose that is used to compare air pressure. That makes sense, and is something that is easy to check for.
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  #395  
Old 11-16-2014, 06:00 PM
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Re: Is DPF issue for 2014 CRD fixed now?

Quote:
Originally Posted by SJandL View Post
But a regen should have been done prior to him taking delivery - (is that the latest thought/best practice?).
Nah, they wait for the issue to occur then regen.
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  #396  
Old 11-16-2014, 08:17 PM
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Re: Is DPF issue for 2014 CRD fixed now?

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Originally Posted by rod17 View Post
I have a 08/14 built date GC limited , had for 3 weeks with only 627km on it , have done 2 highway trips the rest are around town trips. Went into limp model today with no warning . Will ring dealership tomorrow, interesting times ahead . Dealer is 100km away !!


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Is it safe to assume your vehicle is a MY15?

I'm so sorry to hear of this, and really disappointed. I'm yet to take delivery for a MY15 as well, albeit 10/14 build. I can't believe this is still happening...I'm really worried about taking delivery of mine now.
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