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Turbo Seal[850/95] posted by Brandt Schram on
Friday, 8 May 1998, at 5:26 p.m.
Recently, while installing the Group 6 throttle body on my T-5R I noticed what appears to be oily soot on the manifold side of the stock t.b. Also, there was a slight amount of oil coating the inside of the airpipe leading from the intercooler. I suspect(as does Group 6) a failing oil seal on the compressor side of the turbo. The car has 49k the last 2k from me. Is this a reasonable diagnosis and/or a common problem? Thanks for input.
Re: Turbo Seal[850/95] posted by abe crombie on
Friday, 8 May 1998, at 6:30 p.m.
Your crankcase vent system feeds the vapors out of the crankcase into inlet of turbo. From there the oily residue is spread through out the intake tract. If you really have a turbo problem there will be visible smoke and high oil consumption. Some oil in intercooler is normal and if oil consumption and smoke aren't noted then a turbo change will be a waste of time and big money.