6 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHNeed squeak location assistance - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Leading reported evidence
Check pentosin and at first it looked low
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
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 performed work without a confirmed outcome
1
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Performed · outcome unconfirmed · Original poster
I checked the pentosin and at first it looked low, but the cold low level barely touches the stem.
Need squeak location assistance - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Frequently discussed work
Check accessories twice
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.
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Suggestion · Original poster
I'm going to carefully disassemble it this morning and attempt to locate it, I'm tempted to put a bit more pertosin in as I have checked the accessories twice already.
Need squeak location assistance - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Read full discussion summary
Leading evidence: 'Check pentosin and at first it looked low' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check accessories twice' (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 water pump seemed great, the noise is definitely
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
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 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
I checked the water pump seemed great, the noise is definitely on the LR closer to the intake so I'm thinking PS pump noise.
Need squeak location assistance - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Check accessories twice
Suggestion or failed attempt
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
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
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'm going to carefully disassemble it this morning and attempt to locate it, I'm tempted to put a bit more pertosin in as I have checked the accessories twice already.
Need squeak location assistance - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Replace belt and the idler / tenioner pulley bearings
Suggestion or failed attempt
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
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
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
If you have changed the belt and the idler / tenioner pulley bearings, then the squeal must be coming from the water pump, alternator, air con compressor or power steering pump.
Need squeak location assistance - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Run engine
Suggestion or failed attempt
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
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
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
If you uncouple the belt with cold engine, run the engine for a few seconds without the accessories being turned and see if the noise dissappears.
Need squeak location assistance - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Frequently discussed actions (5)
These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.
Check accessories twice
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'm going to carefully disassemble it this morning and attempt to locate it, I'm tempted to put a bit more pertosin in as I have checked the accessories twice already.
Need squeak location assistance - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Replace belt and the idler / tenioner pulley bearings
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
If you have changed the belt and the idler / tenioner pulley bearings, then the squeal must be coming from the water pump, alternator, air con compressor or power steering pump.
Need squeak location assistance - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Coverage and how to read this overview
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.
986Forum: 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: 20261026T174436Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I put new roller bearings and a belt on but the strange squeak is still there. It sounds like a rotational squeak only occuring at one spot during said rotation and manifesting as a momentary squeak when it comes around to that spot. It sounds loudest through the side intake and is always only at idle. Sounds like a cheap POS, runs great though. holy schnikies is it fast with headers and an underpulley, the power comes on so seamlessly and like a freight train.
I'm assuming you are referring to the belt driving the accessories...
If you have changed the belt and the idler / tenioner pulley bearings, then the squeal must be coming from the water pump, alternator, air con compressor or power steering pump.
If you disconnect the belt, does the noise go away - if not, its something else - like maybe the AOS starting to go.
Does the AOS have any moving parts? It sounds like a momentary squeak, sounds like a spot on a rotating wheel, intermittent and subject to low rpm. I checked the water pump seemed great, the noise is definitely on the LR closer to the intake so I'm thinking PS pump noise. I will check again tomorrow with all the covers off. I checked the pentosin and at first it looked low, but the cold low level barely touches the stem.
thanks
Eight,
If the squeak is on the L/H side I doubt its the AOS as that's on thr R/H side.
If you uncouple the belt with cold engine, run the engine for a few seconds without the accessories being turned and see if the noise dissappears.
Dont run it too long though as the coolant pump is now stopped......
I'm going to carefully disassemble it this morning and attempt to locate it, I'm tempted to put a bit more pertosin in as I have checked the accessories twice already. It seldom works long but perhaps some shaft lubrication will knock it out.
EDIT HELP:
It's none of that stuff, can anyone tell me if the A/O separator is capable of making a noise?
Found it!
from another BB:
Now you wont believe this!!, without doubt this is the Air/Oil separator, told you you wouldnt believe it.
This is the valve inside the AOS and only emits the noise when on overrun in the early stages of failure, open the throttle and it goes away, at idle it sounds like the idler bearing squeeking.
This is exactly what the bastid is doing...
This is a source reference. Confirm exact model applicability in the original material.
