15 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHBest method of removing RMS?
Leading reported evidence
Use screw method successfully
Performed · outcome unconfirmed
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1
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Read evidence and context
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Check with those who have done this job themselves
No successful repair reported for this finding.
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Suggestion · Original poster
I've got a generic seal puller like below which I've used successfully in the past on other engines, but thought I'd best check with those who have done this job themselves to see if there's a preferred or 'best' method.
Leading evidence: 'Use screw method successfully' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check with those who have done this job themselves' (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.
Check with those who have done this job themselves
Suggestion or failed attempt
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Reported fixes
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Unsuccessful attempts
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Discussions
Read evidence and context
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 contain suggestions
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Suggestion · Original poster
I've got a generic seal puller like below which I've used successfully in the past on other engines, but thought I'd best check with those who have done this job themselves to see if there's a preferred or 'best' method.
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 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 · Original poster
Yes, only a small amount, but I have the transmission out and full access so will use this opportunity to change it and also inspect the IMS bearing, remove the seal etc, etc.
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 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 · Original poster
So, just so I understand it - it says to lubricate the crank.
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.
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Suggestion · Original poster
If I lubricate the crank, as I slide the seal on, the inner lip is instantly introduced to a lubricated surface.
These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.
Check with those who have done this job themselves
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 · Original poster
I've got a generic seal puller like below which I've used successfully in the past on other engines, but thought I'd best check with those who have done this job themselves to see if there's a preferred or 'best' method.
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
Yes, only a small amount, but I have the transmission out and full access so will use this opportunity to change it and also inspect the IMS bearing, remove the seal etc, etc.
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
I've got a generic seal puller like below which I've used successfully in the past on other engines, but thought I'd best check with those who have done this job themselves to see if there's a preferred or 'best' method.
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.
15 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
911uk: 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: 20261027T000231Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Is there a prescribed method of removing the RMS? I've seen plenty of videos where a screw is inserted and used to pull the seal, but this sends shivers down my spine as the risk of scoring the case or crank is not insignificant.
I've got a generic seal puller like below which I've used successfully in the past on other engines, but thought I'd best check with those who have done this job themselves to see if there's a preferred or 'best' method.
Yes, only a small amount, but I have the transmission out and full access so will use this opportunity to change it and also inspect the IMS bearing, remove the seal etc, etc.
I've done a few of these. Always used the screw method successfully. Use a small drill bit to pilot drill first. The screw doesn't need to go in far to get a good purchase on the metal centre of the seal. It all sounds more difficult than it is.
Question as I prepare to install the new RMS (new type with the blue PTFE installation ring)....
All the latest data says put these in dry as a bone. I can completely understand this, no issue. What I am struggling to find a definitive answer on is whether or not to put a little oil or grease on the crank. Some say to do so, other say not.
My concern with putting it in bone dry is that upon first start up, the dry crank will be spinning against the dry inner lip of the seal without any splash lubrication for a short while and I'm concerned this would burn or damage the seal.
Likewise, I don;t want top put a little lube on there only to find it leak again and be kept awake at night by the sound of 'told you so'.
Is there a definitive answer on whether the inner lib should be lubricated or not and if so, with what? Gut says the thinnest wipe of engine oil on a lint free cloth.
Found this in the workshop manual....
So, just so I understand it - it says to lubricate the crank. Got it.
Then it immediately says not to lubricate the micro sealing lip.
Am I being thick here?
Or is the inner lip not the micro sealing lip?
I can understand not lubricating the outer edge of the seal that seats against the crankcase but I struggle to see how a tiny bit of light oil on the crank would do any harm. The last thing you want is the seal rolled over. Surely it's going to get flooded with oil the second you turn the engine on anyway?
That was my logic also, yet so many sources say to install dry. It's that the manual appears to conflict. If I lubricate the crank, as I slide the seal on, the inner lip is instantly introduced to a lubricated surface. Makes no sense, but the last thing I want to do iis go though all this work to have it leak and be told I should have done it dry.
Bentley manual contradicts Porsche manual.
Bentley says do not lube crank.
Porsche says do lube crank.
EDIT: Found the source of confusion - Porsche manual is old data referring to the old type of seal. Later Bentley manual does not mention lubing crank.
I'm going in dry.
Will do.
Further research is all pointing to no lube from various other sources. The key (that I can't believe I missed) is that the seal lip is PTFE, so self lubricating. D'oh!
This is one of those ask 5 mechanics get 7 different answer's moments..
It’s been a while since I’ve done it but I’ve used the drilling self tapper method many times in the past successfully.
I would have followed the Porsche manual, well done for the detective work.
This is a source reference. Confirm exact model applicability in the original material.
