Cleaning Injector Cup question
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Cleaning Injector Cup question
I have carbon build up in my injector cups from improperly seated injectors. Can I use brake parts cleaner to help dissolve the carbon, or some other cleaner. Right now a wood dowel and rags is taking an extremely long time. Thanks!
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I'll try the seafoam rag idea. Last night I stuck a rag soaked in wd-40 and that helped. I used a nylon toothbrush dipped in wd-40 as well and that was working. I just want to make sure whatever I use won't cause an engine problem if it leaks into the combustion chamber. I pressure tested the cooling system and there were no leaks. I may end up replacing the cups, but I really want to avoid that. The tool required is about $300 or more.
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I pressurized my coolant system, and then assembled my 12 ga cotton swab. When I returned, guess what... #7 cylinder cup is leaking coolant at 16 psi. Soooooo, now it's time to replace them. Might as well get them all done. What sucks is I'll need to tow the truck to a local shop to change them out. I just don't have the tools nor confidence to do it myselft.
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Fleet Mechanic
Joined: May 2005
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From: Vale, NC
I pressurized my coolant system, and then assembled my 12 ga cotton swab. When I returned, guess what... #7 cylinder cup is leaking coolant at 16 psi. Soooooo, now it's time to replace them. Might as well get them all done. What sucks is I'll need to tow the truck to a local shop to change them out. I just don't have the tools nor confidence to do it myselft.
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Check this out. Cups for $98, Retaining compount for $29, rent the install/removal tool for $50.00. Total cost is $178. If I have a local shop do the work, it will cost $650 after towing two ways, labor, and parts. Looks like a no brainer for me. Riffraff Diesel Performance Parts | Ford 7.3 diesel | 7.3 powerstroke | Ford Powerstroke | 7.3L Powerstroke Parts?
Thread Starter
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Senior User
Joined: Apr 2004
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Check this out. Cups for $98, Retaining compount for $29, rent the install/removal tool for $50.00. Total cost is $178. If I have a local shop do the work, it will cost $650 after towing two ways, labor, and parts. Looks like a no brainer for me. Riffraff Diesel Performance Parts | Ford 7.3 diesel | 7.3 powerstroke | Ford Powerstroke | 7.3L Powerstroke Parts?
Fleet Mechanic
Joined: May 2005
Posts: 1,739
Likes: 14
From: Vale, NC
That makes it seem like a no brainer. i suppose you could tap them too if you are trashing the old ones. Probably still a pain to get out and then you might have pices of metal down in the cylinder. Thanks for the info.
