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Join Date: Jun 2011
Posts: 3
930 excessive smoke

I recently had turbo reconditioned and on road testing and cooling down noticed excessive exhaust smoke and oil usage. Upon investigation found large quantity of oil in intercooler and compressor side of turbo. Spoke to specialist and he suggested that oil line is pressured at 5 bar on delivery side of turbo and on the other side extracted by scavenger pump back into oil resvoir. Whilst removing turbo I had unknowlingly loosened pipe on scavenger pump, making it inefficient, causing oil pressure build up to let oil through turbo seals. Once oil line was tightened all was fixed.

Old 06-21-2011, 02:05 AM
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