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#1
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Intake Manifold Cleaning
I'm thinking of taking my intake manifold off to clean the crud out of it, theres so much of it in there I'm worried about it going into my engine. Disabled the EGR a few days after getting the car, but there was already a lot in there. How much does the manifold gasket cost? And how difficult is it to remove the turbo to remove the manifold? Anything else I should do while I'm in there?
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Ich liebe meine Autos! 1991 Mercedes-Benz 560SEL | Megasquirt MS3-Pro | 722.6 transmission w/ AMG paddles | Feind Motorsports Sway Bar | Stinger VIP Radar | AntiLaser Priority | PLX Wideband O2 | 150A Alternator | Cat Delete 1981 Mercedes-Benz 300SD | Blown engine, rebuilding someday... 1981 Mercedes-Benz 300SD | Rear ended, retired in garage. 2009 Yamaha AR230HO | Das Boot Excessive speeding? It ain't excessive till I redline! |
#2
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You know, I've been wondering this myself in preparation for getting my engine put back together. I remember on Brandon's intercooler thread he just used an oxy-acetaline torch to burn it all out. I mentioned that to my dad, who has an oxy torch, and he seemed to think that there were much better ways to do that. Maybe a radiator shop and have them hot-tank it? Anyone?
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Seth 1984 300D 225K 1985 300D Donor body 1985 300D Turbo 165K. Totaled. Donor Engine. It runs!!! 1980 300SD 311K My New Baby. 1979 BMW 633csi 62K+++? Dead odo |
#3
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I'm just thinking of using my 3000psi pressure washer and blasting it, even if the water has to bounce around to reach some places, it should still be pretty powerful.
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Ich liebe meine Autos! 1991 Mercedes-Benz 560SEL | Megasquirt MS3-Pro | 722.6 transmission w/ AMG paddles | Feind Motorsports Sway Bar | Stinger VIP Radar | AntiLaser Priority | PLX Wideband O2 | 150A Alternator | Cat Delete 1981 Mercedes-Benz 300SD | Blown engine, rebuilding someday... 1981 Mercedes-Benz 300SD | Rear ended, retired in garage. 2009 Yamaha AR230HO | Das Boot Excessive speeding? It ain't excessive till I redline! |
#4
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Using an oxyacetylene torch is not a very good idea. It can melt a hole in the manifold lickedy split if you hang in one spot too long.
Just use a few cans of brake/carb cleaner. |
#5
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That's what I was thinking but I saw the pictures so it made me wonder.
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Seth 1984 300D 225K 1985 300D Donor body 1985 300D Turbo 165K. Totaled. Donor Engine. It runs!!! 1980 300SD 311K My New Baby. 1979 BMW 633csi 62K+++? Dead odo |
#6
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An auto parts store that does hot tanking will do a manifold for about $20.
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1959 Gravely LI, 1963 Gravely L8, 1973 Gravely C12 1982 380SL 1978 450 SEL 6.9 euro restoration at 63% and climbing 1987 300 D 2005 CDI European Delivery 2006 CDI Handed down to daughter 2007 GL CDI. Wifes |
#7
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Mine was so gunked up even after 24 hours in the hot tank there was still soft crud inside the passages. I finished cleaning it with lots of brake cleaner and a baby bottle brush and a BIG pile of rags.
(Don't forget to buy a new bottle brush for the baby.)
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Brian 87 300Dturbo 180K #14 head still running R-12 SOLD 12/2017 02 F350 Powerstroke 180K 05 Chevy Express 1 ton w/Royal Utility box 120K 08 Infiniti FX-35 40K 15 Golf Sportwagen TDI 35K 10 Sprinter 3500 chassis with a Class A Winnebago on it. 56K |
#8
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clean mechanically
I used a kind of screw driver first. Second thing was adapting the bore diameters to those of the gasket with an air tool (milling device).
On top I did the same with the intakes into the head (closed the area towards the valves with paper and grease). Now it is like one single tube. Finally into B100 for a day or so and a high pressure water wash. Tom |
#9
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yep, if your gonna go that far, may as well tap it for a boost gauge,and match the ports up, too. and pull the exaust, port it and tap it for egt probe
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1984 123.193 372,xxx miles, room for Seven. 1999 Dodge Durango Cummins 4BTAA 47RE 5k lb 4x4 getting 25+mpgs, room for Seven. |
#10
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I read a report from someone that they took their intake manifold to a self-service car wash. A couple of bucks, set it in the sun to dry and reinstalled. Sounds like the best way to go to me.
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Sam 84 300SD 350K+ miles ( Blue Belle ) |
#11
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Just dunk the manifold in Kerosene. Works like a charm the crap will come right out with the help of a stiff brush.
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1999 SL500 1969 280SE 2023 Ram 1500 2007 Tiara 3200 |
#12
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there was a post in here from somebody who soaked their manifold in bio diesel which makes sense. Bio diesel is a powerful solvent, try it and report back, thanks
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#13
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take a trip to family dollar
i went to the dollar store and got some dishwashing gloves, a roasting pan and some of that stainless 'steel wool' without the soap in it. i siphoned some diesel from the tank and made myself a homemade parts washer that put a shine on my intake!
soaking works well, when i finished i cleaned it with dawn foamy and a garden hose. BLING
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MIKE 1987 300D Turbo, 225K 124.133/603.960 |
#14
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Soak it with soap and toss it in the dishwasher (Don't let the wife find out. )
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#15
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Other than the manifold gasket, do I need to get anything else? EGR gasket? (perfect time ti replace it wth some sheet metal too) Turbo gaskets?
__________________
Ich liebe meine Autos! 1991 Mercedes-Benz 560SEL | Megasquirt MS3-Pro | 722.6 transmission w/ AMG paddles | Feind Motorsports Sway Bar | Stinger VIP Radar | AntiLaser Priority | PLX Wideband O2 | 150A Alternator | Cat Delete 1981 Mercedes-Benz 300SD | Blown engine, rebuilding someday... 1981 Mercedes-Benz 300SD | Rear ended, retired in garage. 2009 Yamaha AR230HO | Das Boot Excessive speeding? It ain't excessive till I redline! |
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