What is causing my turbo to sound like a sewing machine whistle?
Date: Wed, 25 Nov 92 10:52:57 PST From: maj@frame.com (Michael Jue) To: swedishbricks@me.rochester.edu Subject: Turbo recommendations Cc: maj@m5.frame.com, nick@meadddata.com Well, Bricksters, I located the problem with my “sewing machine” turbo whistle. It was SOOOOOOOO obvious that it was painful: the wastegate/boost control valve was loose. A few turns with an allen wrench solved the problem post haste. Now the bad news: as I was inspecting the car last night (at 1a.m.) I decided to do a little more checking around. Upon Nick Gough’s (thx!) assessment of the possibility of a turbo about to go to snail heaven, I checked all of the lines to/from the turbo, etc. Everything OK EXCEPT, I noticed a small amount of grease/grime buildup at the turbo to intercooler pipe junction. Uh, ohhhhh… Upon seeing that, I disconnected the pressure pipe at the intercooler and to my horror, discovered oil in the line and in the i/c! So, now that I’m 85% convinced that the turbo is indeed on its last le