911uk

oil change and dropped sump

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4 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis

THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

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YOUR RESEARCHoil change and dropped sump

Leading reported evidence

Check oil filter

Performed · outcome unconfirmed

No successful repair reported for this finding.

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Reported fixes: 0
Unsuccessful attempts: 1
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Discussions that performed work without a confirmed outcome: 1

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Performed · outcome unconfirmed · Original poster
Oil looks very clean (only done 3K miles, saved some for the Millars oil analysis, checked the oil filter for metallic particles (couldn't see any).
Original post Read captured discussion
oil change and dropped sump

Frequently discussed work

Check belt pulley bearings too

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Discussions that contain suggestions: 1

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Suggestion
While you're there, check the belt pulley bearings too.
Original post Read captured discussion
oil change and dropped sump

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Leading evidence: 'Check oil filter' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check belt pulley bearings too' (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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Replace alternator was original and was a little noisy so

Performed · outcome unconfirmed

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Unsuccessful attempts: 1
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Discussions that performed work without a confirmed outcome: 1

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Performed · outcome unconfirmed · Original poster
The alternator was original and was a little noisy so that was changed a couple of weeks ago along with the idler pulleys which had play in the bearings (tensioner was OK).
Original post Read captured discussion
oil change and dropped sump

Check belt pulley bearings too

Suggestion or failed attempt

No successful repair reported for this finding.

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Reported fixes: 0
Unsuccessful attempts: 1
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Discussions that contain suggestions: 1

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Suggestion
While you're there, check the belt pulley bearings too.
Original post Read captured discussion
oil change and dropped sump

Clean (only done 3k miles, saved some

Suggestion or failed attempt

No successful repair reported for this finding.

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Reported fixes: 0
Unsuccessful attempts: 1
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Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

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Suggestion · Original poster
Oil looks very clean (only done 3K miles, saved some for the Millars oil analysis, checked the oil filter for metallic particles (couldn't see any).
Original post Read captured discussion
oil change and dropped sump

Replace any auxiliary parts until you know

Suggestion or failed attempt

No successful repair reported for this finding.

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Reported fixes: 0
Unsuccessful attempts: 1
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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 wouldn't replace any auxiliary parts until you know which ones they are.
Original post Read captured discussion
oil change and dropped sump

Frequently discussed actions (5)

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Check belt pulley bearings too

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
While you're there, check the belt pulley bearings too.
Original post Read captured discussion
oil change and dropped sump

Check oil filter

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that performed work without a confirmed outcome: 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.

Performed · outcome unconfirmed · Original poster
Oil looks very clean (only done 3K miles, saved some for the Millars oil analysis, checked the oil filter for metallic particles (couldn't see any).
Original post Read captured discussion
oil change and dropped sump

Clean (only done 3k miles, saved some

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
Oil looks very clean (only done 3K miles, saved some for the Millars oil analysis, checked the oil filter for metallic particles (couldn't see any).
Original post Read captured discussion
oil change and dropped sump

Replace alternator was original and was a little noisy so

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that performed work without a confirmed outcome: 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.

Performed · outcome unconfirmed · Original poster
The alternator was original and was a little noisy so that was changed a couple of weeks ago along with the idler pulleys which had play in the bearings (tensioner was OK).
Original post Read captured discussion
oil change and dropped sump

Replace any auxiliary parts until you know

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 wouldn't replace any auxiliary parts until you know which ones they are.
Original post Read captured discussion
oil change and dropped sump

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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.

4 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.

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Generation: 20261026T052503Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

As my 92880 miles 996 is coming up to 12 months on its current oil (I've owned it for 10 months) I thought as she is off the road waiting to go into the body shop for some minor damage (neighbour back in it) time to do an oil \ filter change and drop the sump to see if there is anything nasty in there. Oil looks very clean (only done 3K miles, saved some for the Millars oil analysis, checked the oil filter for metallic particles (couldn't see any). I have a couple of issues, the oil filter removal tool that was in the tool kit is too small diameter so need to get one and while the sump is off anything else worth doing checking? I've a air con compressor and water pump on order as there's a terrible racket coming from the engine (disappears without the aux belt on, and there's a ticking from the bottom end which maybe a tappet so will add some lifter additive.

POST 2Original post

I would have though ticking, might be the alternator? While you're there, check the belt pulley bearings too.

POST 3Original post

I wouldn't replace any auxiliary parts until you know which ones they are. Either get a screwdriver handle against your ear with the blade pointing at each pulley so you can hear which one it is.......or seeing as you have the belt off you should be able to turn each pulley by hand and feel if its gritty or has plenty of play. As for the ticking, my money is the gasket between the head and exhaust manifold is weeping. You should see a sooty stain at the side of the manifold if it is.

POST 4 / ORIGINAL POSTEROriginal post

Ticking is much reduced with oil additive (lifter\tappet). The alternator was original and was a little noisy so that was changed a couple of weeks ago along with the idler pulleys which had play in the bearings (tensioner was OK). AC compressor leaked anyway and the water pump bearing is rumbling so both these are winging their way from Autodoc hopefully by the weekend so I can fit. :viking:

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