6 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHOil Sump Cover Dilemma
Leading reported evidence
Clean off
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
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Discussions that performed work without a confirmed outcome
1
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Performed · outcome unconfirmed · Original poster
What occurred in this area I can not imagine, but here is the underlying metal that remains after everything was cleaned off:
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Suggestion
I would never attempt to weld this up with the engine in the car; you simply cannot get it clean enough and totally free of oil to get a decent weld, and you would need to isolate all of the car's electronic systems before welding.
Leading evidence: 'Clean off' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Clean enough and totally free of oil' (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.
Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that performed work without a confirmed outcome
1
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Performed · outcome unconfirmed · Original poster
Upon draining the oil I notice the passenger side rear of the oil sump appeared to be covered in silicone- or so I thought when I inspected the car.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that performed work without a confirmed outcome
1
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Performed · outcome unconfirmed
That being said, I once repaired a cracked Mercruiser 140 inboard.
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Discussions that performed work without a confirmed outcome
1
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Discussions that contain suggestions
1
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Suggestion
I would never attempt to weld this up with the engine in the car; you simply cannot get it clean enough and totally free of oil to get a decent weld, and you would need to isolate all of the car's electronic systems before welding.
These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.
Clean enough and totally free of oil
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
I would never attempt to weld this up with the engine in the car; you simply cannot get it clean enough and totally free of oil to get a decent weld, and you would need to isolate all of the car's electronic systems before welding.
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion · Original poster
Doesn't know the history on when/if anything was replaced, so before I even drive it I have parked it and will be promptly removing the engine to replace whatever I find that needs replacing.
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.
6 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Pelican Parts: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261026T213932Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Just picked up a '99 with an engine that supposedly has 85k (PO put it in 15k ago and it had 70k when installed). Doesn't know the history on when/if anything was replaced, so before I even drive it I have parked it and will be promptly removing the engine to replace whatever I find that needs replacing. Upon draining the oil I notice the passenger side rear of the oil sump appeared to be covered in silicone- or so I thought when I inspected the car. Closer inspection reveals it to likely be JB weld. What occurred in this area I can not imagine, but here is the underlying metal that remains after everything was cleaned off:
Number one: should I remove the remainder of the JB weld from around the circular plug?
Number two: best procedure for refinishing? I can easily have it TIG welded, and milled flat, and I will definitely have some material added to the outside of the sump where the gouges are worst , but would like to hear other opinions.
BTW sump cover is fine, no damage on it.
Probably bottomed out the engine on a speed breaker at sometime, cracking the original sump plate & engine case. I would not remove any material. If needed add material to level the sealing surface. Clean VERY well & use Loctite 5900 to seal the pan.
Welding is the proper repair, and can possibly be done with the engine in the car with the proper prep of the vehicle electronics. That being said, I once repaired a cracked Mercruiser 140 inboard. It is a 4 cylinder (half of a Ford 460 c.i.) with aluminum block that was cracked between a couple of the cylinders. I veed out the crack and JB welded it. I was doing this for the owner who didn't follow advice on how to nurse a leaking heat exhanger. Anyhow, I used the JB and it held to my surprise. I thought the aluminum expansion would crack it again the first time it got to operating temp. The damage you have is probably not a highly stressed area, it's a support area. Put the big bucks into the IMS bearing.
Best of luck to ya'.
I would never attempt to weld this up with the engine in the car; you simply cannot get it clean enough and totally free of oil to get a decent weld, and you would need to isolate all of the car's electronic systems before welding.
To do it right would be to replace the case. Short of that, as a field repair / MacGuyver fix that may be worth a shot...
It looks like you have a contiguous sealing surface along the red line. If that plug is sealed, you may be able to leave bolt "B" out entirely or snug it up after all others are torqued - beinging careful not to distort the pan and put undo squeeze on the redline sealing surface. After that, provided there are no points of entry for debris where that plug is you could leave it like that or fill up that area inside with something solid - just as filler and then slather some silicone around the edge to keep dirt and water out.
Again, this is by no means optimal.
OK, thanks to those that had the courtesy NOT to flame me on my fix idea.
I had my oil pan off this weekend and there is no mating surface on the pan for the sealant route I marked.
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