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Passenger side oil leak

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6 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

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YOUR RESEARCHPassenger side oil leak

1 matching discussions were examined; no attributable action/outcome evidence was detected. No consensus or repair conclusion is claimed.

Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.

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1 matching discussions · 6 captured posts examined · 0 partial discussions

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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.

6 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • Rennlist: 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: 20261026T191851Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Hi guys! Just recently picked up a 99 c2 and trying to chase down some leaks. Came across an oil leak that seems to be coming from right beside the Ac compressor. Does anyone know where this leak might be coming from? ​​​ Leak coming from where the light is Zoomed in.. Lots of hoses in the way Another angle

POST 2Original post

Aos crossover tube elbow. its common for it to be wet.

POST 3 / ORIGINAL POSTEROriginal post

Thanks for the hint! Is it this here: https://www.fcpeuro.com/products/por...he-99610704751 Will replacing this part eliminate the oil seeping? Or is venting oil normal operation?

POST 4Original post

See your other post. It should not leak. There.may be an issue with the aos (air oil seperator) on your car. There is an upgrade sold by a vendor here called an uaos and there is an upgraded crossover tube too. Have it tested to be sure.

POST 5 / ORIGINAL POSTEROriginal post

Aw shoot.. Double post Thanks for the advice

POST 6Original post

Purchase an inexpensive manometer and extra oil cap to measure the crankcase pressure. Normal value should be 4-6" water.

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