Thread: DPF Cleaning

I don't believe that they can be cleaned. No others can. Just regenerated and replace when they fail. I'd budget at least $5k + as an estimate for the replacement cost. Light trucks are get about 500kms before replacement required.

A Dodge Ram and a D5 are a VERY different type of vehicle...

DPF self regenerate - they aren't taken out or cleaned...

What is your intended use for the vehicle (I'm predicting towing a large van?)

Intended use is towing 3 ton caravan, with possibility of changing to a 5th wheeler in the future if I buy a Dodge Ram or Nissan Titan.

The D5 is intended to fill the gap for the next 5 years.

If DPFs can be replaced, they must be able to be removed and cleaned.
I am curious to know if this can be done by an owner, as I like to do in-between servicing on my vehicles such as greasing, oil change, filter change etc.

I found a company who cleans DPFs.....

DPF Cleaning Services / Diesel Particulate Filter Cleaning Services – Western Sydney, Australia

Pics on the site show units removed for transport to them for cleaning.


Regards,
Allan

Only early D4s came to Australia with a dpf and they have not been fitted for the last few years here.
So if this is your main concern a new or low km's D4 may be a better bet, considering also that timing & availability for D5s to Australia is still not 100% certain.
Another point is that accessories for a D5 will take even longer depending on what (if any) you are planning to fit.

Regards,
Scott

i wouldn't worry about a DPF.

We have them on the work vans,they self clean themselves,if they need more cleaning,a gauge will notify when they are getting close to need cleaning,then a light comes on and a button is pushed to put it through a cleaning cycle.

With normal driving,they seem to keep themselves clean,that is go through the cleaning cycle automatically.

Or it maybe a regeneration cycle,as Tombie has said.

Originally Posted by LRD414

Only early D4s came to Australia with a dpf and they have not been fitted for the last few years here.
So if this is your main concern a new or low km's D4 may be a better bet, considering also that timing & availability for D5s to Australia is still not 100% certain.
Another point is that accessories for a D5 will take even longer depending on what (if any) you are planning to fit.

Regards,
Scott

Scott.
I got an email from Southern Land Rover a couple of weeks ago saying they had been allocated build numbers and were taking pre-production orders.April delivery.
Andrew

Firstly Adblue (SCR) does not replace a DPF. SCR is for reducing NOx, not particulates. The reason one vehicle may have SCR and not a DPF though is because we don't yet have EURO6 regs in Australia (EURO 6 specifies a particle number limit to force DPF fitment).

DPFs these days are pretty reliable. The most important thing is to use the right oil, good fuel and drive it HARD. The people who have problems with DPFs do mainly short trips or drive like geriatrics.

If your main use will be towing at highway speeds you should be fine.

EDIT:
Don't change your air filter between services. It will let more dust into your engine.

Back on topic: In theory you could remove the DPF and reverse flush it with a solvent, but (1) you would need a lot of solvent and create a lot of carcinogenic waste, and (2) you would need to remove half the exhaust and at least 3 sensors/connectors. It would take a few hours and LR would probably void the warranty on the DPF if they noticed.

Baking a DPF at 550oC for a couple of hours would be the best way to clean it, however I doubt you would have a large industrial furnace handy.

The DPF is not like the other filters you are changing. It is more like a catalytic converter. If you accidentally foul the catalyst while cleaning it then it will fail (clog) very quickly.

Crikey!
Scary things these DPFs.

Maybe I should look at second hand D4.

I had not considered second hand as I am able to get fleet discount on new, it is worth while.

Thanks for all the comments.....


Allan