13 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHHelp a new 996 Owner identify part
Leading reported evidence
Disconnect electrical connector going
Suggestion or failed attempt
No successful repair reported for this finding.
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0
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1
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Suggestion
To eliminate it from the equation disconnect the electrical connector going to the pump.
Leading evidence: 'Disconnect electrical connector going' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Disconnect electrical connector going' (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
KrazyK also posted his DIY repair here in the 996 forum:
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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13 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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I tried a search but have not had luck in identifying a part that is making an unusual noise. Here is a picture (not my engine bay, found in a search) with an arrow pointing at the part. I am guessing alternator, anyone know for sure? The issue I am hearing is a pinging metal on metal noise when starting cold.
Video of the sound this morning:
SAI Noise - YouTube
SAI pump. There is a DIY for servicing it at Renntech as stated above but that is described more for a whining sound. Not sure about the pinging you describe
KrazyK also posted his DIY repair here in the 996 forum:
https://rennlist.com/forums/996-foru...epair-diy.html
Since the impellers in the pump are metal, the metallic pinging might be some kind of debris inside the pump bouncing around when the SAI pump is energized.
I imagine you'd throw some emissions-related diagnostic trouble codes if you just unplugged the SAI pump until you have a chance to repair or replace it - but that might be better than doing any further damage to the pump if something really has come loose or been introduced. Anyone else able to opine on what codes you'll throw with the SAI unplugged?
It is a SAI pump. To eliminate it from the equation disconnect the electrical connector going to the pump. Start up the car when cold, if noise is gone...you got your proof.
If the noise goes away in 2 min or so into a cold start, that's another indication the noise is from the SAI pump as it turns on only for the first 2 min during a cold start.
