cost of a carbon clean??

[Rusty86]

Cheers mate,

Got the gauges already, won't be doing it myself so getting the necessary parts together then gonna find a mech to install everything. Def going to try and get a good clean done at the same time, looking forward to a 'new' truck haha

Cheers,
Rusty

[Rusty86]

Bit of an update, I had the Patrol in for a service today and spoke to my mechanic about doing a carbon clean. He thought there wouldn't be much in there but I told him of some of the images I'd seen and the amount of gunk that would build up! He ended up cleaning the throttle body and intercooler pipes and was shocked at the amount of black gunk that had built up. He removed a few decent tablespoons worth and can now see the merit in cleaning the inlet manifold. Whole service was about $400 so it was included in this.

I also asked him if he was comfortable installing dawes, needle, catch and blocking egr and he's fine to do it which is great. I'd find the best references/installation guides from the forum for him to follow if he got stuck, and before blocking the egr I'll get him to get stuck further into the engine and clean out the remainder of the carbon build up in the inlet manifold. I was told the clean would roughly be a 2 hour job which sounds about right.

With what was cleaned out today the EGTs are already 30-50 deg lower which is more affect than I thought. So I wonder how much more the egts can be lowered after the full clean.

He also used a different sort of engine oil, usually I was using Valvoline Super Diesel but on this occasion he used SynPower MST 5w40 fully synthetic which reduces carbon build up. Can't say I've heard of it, has anyone used this before??

All up, very happy with how the car is driving, feels better than ever!

Cheers,
Rusty

[timbar]

Sweet mate keep us updated on the kms/ economy should improve as mine did

[twisties]

I had planned today to get stuck into cleaning the oily crap from inside the IC and also removing the inlet manifold to clean it but once I got the IC off, I had second thoughts about the manifold.
At 144,000 on the clock and no guarantee it's been cleaned by previous owners (only got it a week ago), I really want to get in there but I've got 0 idea where to start with removing it.
In the mean time I did flush a LOT of oily residue from inside the IC, which also has the expected oil stains on the outside from leaking so that's definitely on the replacement list.

[Rusty86]

I had planned today to get stuck into cleaning the oily crap from inside the IC and also removing the inlet manifold to clean it but once I got the IC off, I had second thoughts about the manifold.
At 144,000 on the clock and no guarantee it's been cleaned by previous owners (only got it a week ago), I really want to get in there but I've got 0 idea where to start with removing it.
In the mean time I did flush a LOT of oily residue from inside the IC, which also has the expected oil stains on the outside from leaking so that's definitely on the replacement list.

Speaking with Chaz, he mentioned that instead of having to get right into the manifold you could use an EGR cleaner (Wynn's EGR3 I think, from Repco) in a spray can, 2 cans, half each time spraying it with the throttle at about 2000rpm. Can't remember where he said it needed to be sprayed, but over this period the gunk would come out of the exhaust and clean everything effectively. I originally didn't think this would be a viable option because I wasn't sure if the gunk would come out or be caught up somewhere else, but it sounds like looking into, and would be a lot cheaper than cleaning the manifold itself which is apparently quite time consuming.

Chaz mentioned most of the gunk would be in the throttle body which is an easier job I think.

Hope this helps, Cheers

[twisties]

Awesome mate, thanks for that. I'll throw chaz a PM and find out exactly how to go about it.
Got a Repco near my work that I could visit before I head off home tonight.

The throttle body did look like an easier job but a suspension lift and an already large vehicle makes accessing things a bit of a challenge lol.

[Rusty86]

Trying to track down the ERG3. Wynn's SA rep won't sell it directly and the best he would do is contact the local Nissan dealer who they can supply it to, but would mean I'd need to get the job done there (which shouldn't take too long or be too expensive but I bet it will be).

Repco said I'd need to buy a whole pallet and said try Sprint. The bloke at Sprint was very helpful and got back to me later. He had contacted Wynn's and they wouldn't let him stock it on his shelf but he suggested the best bet would be to try a mechanic who may be able to buy directly from Wynn's in smaller quantities. Looks like it's who you know not what you know... But Wynn's definitely don't want it available at retail outlets.

Talking to the Wynn's bloke was interesting because he said that the EGR3 was 'volatile' and they didn't want to be responsible for damaging engines, but EGR4 had been brought out which is an updated formula and fine to use. I questioned him on this because the info sheet online from Wynn's is word for word the same for EGR3 and EGR4, and I wondered why they had been selling EGR3 if it was so bad. There are blokes on the Patrol4x4 forum who had used EGR3 which seemed to work fine. Finding where to buy it seemed to be an issue too and the posts I was reading were back from 2011.

Did you have any luck sourcing it twisties?

[fishnsurf]

looks like an interesting product i am looking at getting inlet manifold cleaned i wonder if this product would do the job instead of paying someone $350?
i wonder how it goes on a badly blocked inlet , and how do u know how dirty your inlet manifold really is (can you tell by EGTs)
where does all the crap go??
does it clean the intercooler???
so many questions

http://www.wynns.net/product_files/E...3478%20PIS.pdf

[Chaz]

Hi Rusty,
It sounds like you hit a similar wall as I did when searching for the Wynns EGR3. I don’t understand why it’s sold in the eastern states and not here in Adelaide by REPCO. If you know someone in Sydney, they may be able to courier some over for you, but that sounds like more trouble than it’s worth.

I’m considering to try some petrol in a very fine spray bottle and apply it in the same way, by spraying a petrol mist directly into the throttle body with the rpm up. This should do much the same thing and whatever dissolves and goes through the combustion process should be burnt up and come out in smoke. I’m also seriously considering water/methanol injection, which would achieve much the same results over time while reducing EGT’s, increasing power output and cleaning the intake system all at the same time.

[tony78]

this stuff sounds like the go but as fish andsurf says how do you know how dirty your intake is.i think it is more of an anual service thing rather than a quick fix to a major blockage.still worth a go though i think