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Cleaning out the gunk
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=77139		 Page 1 of 1
Author:  WWDiesel [ Wed Oct 23, 2013 4:44 pm ]
Post subject:  Cleaning out the gunk
Finley got around to removing the flow plate out of the FCV valve and hopefully this will solve the P0299 code that showed up occasionally with the EGR blocked off. While I had the FCV out I removed and plugged the EGR cooler lines/hoses as some others on here have done. So far no more P0299 codes have shown up. :BANANA:
I had the intake side boost hose off and tried everything I had in the shop to clean it out and nothing seemed to work very well. I tried carb cleaner, dawn soap, purple power degreaser, hot water, engine degreaser, etc. :banghead: Has anyone found something that will really clean this gunk out of hoses and intercooler?
I plan to do the timing belt job next week and I was going to clean everything out good while i have them off? That gunk is almost impossible to even wash off your hands using gojoe... :o
Author:  thermorex [ Wed Oct 23, 2013 9:29 pm ]
Post subject:  Re: Cleaning out the gunk
Gasoline works great, not sure how bad is for the hoses though. If you're fast, could be fine.
Author:  danos_007 [ Wed Oct 23, 2013 10:36 pm ]
Post subject:  Re: Cleaning out the gunk
I was wondering the same thing, only not about the hoses. It's the intake itself. I've been able to see inside one off of my broken engine and it don't look good. My new engine which hasn't been installed is caked very thick
In the intake/valve cover. I was wondering if there are any solutions for cleaning it with out removing it.


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Author:  user113 [ Wed Oct 23, 2013 11:09 pm ]
Post subject:  Re: Cleaning out the gunk
The service adviser at the local dealer once offered me an intake manifold cleaning service, I think it was around $125. I don't have any idea how it was supposed to work or if it would even work; I did not take him up on it.
Author:  jeepdan [ Thu Oct 24, 2013 1:19 am ]
Post subject:  Re: Cleaning out the gunk
I can't imagine trying to clean the intake ports with the intake/rocker cover in place.
You would risk getting loosened sludge into the intake valves.
With the intake cover removed, thermorex's procedure of filling up the intake ports with gasoline and then scrubbing with a bottle brush after a few hours works well.
viewtopic.php?f=98&t=75479
Author:  LMWatBullRun [ Thu Oct 24, 2013 6:58 am ]
Post subject:  Re: Cleaning out the gunk
jeepdan wrote:
I can't imagine trying to clean the intake ports with the intake/rocker cover in place.
You would risk getting loosened sludge into the intake valves.
With the intake cover removed, thermorex's procedure of filling up the intake ports with gasoline and then scrubbing with a bottle brush after a few hours works well.
viewtopic.php?f=98&t=75479


I soaked mine in gasoline when I had it out and scrubbed it, then followed up with carb cleaner.
It was a mess.
Author:  thermorex [ Thu Oct 24, 2013 10:37 am ]
Post subject:  Re: Cleaning out the gunk
danos_007 wrote:
I was wondering the same thing, only not about the hoses. It's the intake itself. I've been able to see inside one off of my broken engine and it don't look good. My new engine which hasn't been installed is caked very thick
In the intake/valve cover. I was wondering if there are any solutions for cleaning it with out removing it.


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You'll need to take valve cover apart from the head, it is impossible to clean it while on the engine and even if it would be, you don't want that stuff getting all over the cylinder head and valves.
Author:  MRausch82 [ Thu Oct 24, 2013 1:59 pm ]
Post subject:  Re: Cleaning out the gunk
DO NOT, I repeat, DO NOT spray ANYTHING into the intake on a diesel, especially these diesels or VW diesels. You WILL destroy piston rings, jump timing, etc. due to hydrolocking, even if minor hydrolocking. You may not even know anything is wrong until it is too late. Seen it many times on smaller diesel engines. I've rebuilt quite a few where they were hydrolocked due to a puddle, due to the use of starting fluid, carb and choke cleaner, or seafoam. Again, nothing should be put into the intake to clean it, or even help start it. The only way to clean the intake is to remove it, which is a royal PITA on these as we know. Disable the EGR early, and the trouble will gunk will be minimal.
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