8 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHChange Your AOS......or this!!
Leading reported evidence
Clean yet
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
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0
Unsuccessful attempts
1
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Read evidence and context
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Performed · outcome unconfirmed · Original poster
The 2 Pistons to the left haven't been cleaned yet..
Leading evidence: 'Clean yet' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Clean ..ha' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion · Original poster
The head was off for intermix issues, not a cleaning..ha!
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Suggestion
If you plan to repair the head, usually it will be polished so you don't really need to clean the mating surface.
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Suggestion
To clean the piston top, I had good experience with using the marvel mystery oil.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
8 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
2 acknowledgements have no verified action link; they do not establish a repair result.
Outcome without a verified action link
Glad to hear and I was also surprised how well it worked.
I was waiting to change my AOS when I did the clutch service.. Bad idea. The 2 Pistons to the left haven't been cleaned yet.. So much caked on oil. My intake was also completely douched..
The head was off for intermix issues, not a cleaning..ha!
Suggestions to clean? I used carb cleaner in the first one. But went through $10 worth in about 5 mins. Would a brass brush be ok?
Thinking I may pull the passenger head off too... What a mess.
Brake clean and 3m has white and red " scotch brite" pads. They don't mar surfaces. I use them all the time on engines and tranmissions, where steel wool is too rough.
Part numbers 07447 - Red and 7445 - white.
If you plan to repair the head, usually it will be polished so you don't really need to clean the mating surface. For the cylinder side, I would be very careful not to use anything abrasive. I have good experience with using this. Just apply it and let it sit 5 minute then most of the black gasket can be wiped off with a clean towel.
http://www.autozone.com/miscellaneou...ue#tab-reviews
To clean the piston top, I had good experience with using the marvel mystery oil.
The beauty of the AOS design means that even if you install a new one, you can still get boned. It's Russian roulette with a new pistol for every turn.
Permatex Gasket Remover. Tilt the block so that it drains out, spray it and let it sit for 5-10min, then wipe away the dissolved carbon. Came up with this by accident when repairing my engine. The AOS failed like yours and the ports were cracked like a diesel intake. Bought the gasket remover to remove the old head gasket material and when some of it go onto the piston tops, it started bubbling and melting off the carbon. So I put some more on it and let is stand for a few minutes. I was amazed how well it worked and you will too.
And after all this expense and effort the replacement AOS may not last long. Elsewhere JFP mentions short-lived AOS problems - even the OEM item fails quickly sometimes.
The AOS system seems unreliable and needlessly complicated. And when it fails it is more than an inconvenience + the price of the part.
There is hope for a better, simpler system.It was described by "Stelan" in other Posts. His system uses generic,smaller parts with fewer vacuum hoses. He describes it working well.
Others have just increased the oil capacity.SAdly there are no specific DIY guides or parts lists to help us retrofit these upgraded systems:
http://986forum.com/forums/performan...-solution.html
see post 8 and 13 in this thread for specifics:
http://986forum.com/forums/general-d...s-failing.html
This is a source reference. Confirm exact model applicability in the original material.
