Turbo failure found & other progress

RobC · 07-30-2006, 02:50 PM

This is the driver's side turbo. The exhaust shaft moves up and down when you move it with your finger. I'm guessing that there was a bearing failure allowing one of the vanes to contact the housing. There seems to be excessive oil in the driver's side plumbing and exhaust. That's also the side where I've had the leak at the intercooler pipe. Maybe that side was overspinning?

Also we got the transmission off and pulled the clutch and flywheel. The clutch really doesn't look bad. I started to install the new lightweight flywheel but noticed that there was no new needle bearing in the box. So we called it a day so I can order a new bearing.

manualAvant · 07-30-2006, 05:43 PM

Monster-S4 · 07-31-2006, 05:49 AM

Have you talked w/ AWE about their manifolds and how a pair just cracked on a car?

AVANT S4 KING · 07-31-2006, 07:00 AM

some recent discussion

follow-up thread

RobC · 08-01-2006, 06:42 AM

Mike says that if I follow the installation directions exactly then I shouldn't have a problem. All headers manufactured in the last few years were "fly cut" and have had no issues.

Guess all I can do is carefully inspect the weld to make sure it's OK. Anyone know someone who's an expert in this area?

07-30-2006, 05:43 PM	#2
manualAvant AudiWorld Senior Member Garage is empty, add now Join Date: Dec 2003 Posts: 1,110	cleanest tranny ever __________________ ... another silver '98.5 30V 2.8QMS Avant.

07-31-2006, 05:49 AM	#3
Monster-S4 AudiWorld Senior Member Garage is empty, add now Join Date: Jan 2001 Posts: 898	Keep up the good work Rob! Have you talked w/ AWE about their manifolds and how a pair just cracked on a car? __________________ 01-S4 (75k Miles) Casablanca White 6SP/Bose/Premium AWE Stage 3 w/ Fueling AWE ICs Lightweight Flywheel Stage 3 Clutch Full Samco Hose Kit 3" Downpipes w/ Hi-Flow Cats & Test Pipes Borla 3" Exhaust ECS Stage 4 - 6 Piston Brake Kit (front) Drilled/Slotted (rears) APR Snub Mount APR BiPipe H&R Streets Neuspeed Swaybar 18x8.5 OZ SL IIIs Blitz DTT UUC Shift Knob

07-31-2006, 07:00 AM	#4
AVANT S4 KING AudiWorld Super User Garage is empty, add now Join Date: Jul 2002 Posts: 6,762	it appears that its happened to more than just a few people some recent discussion follow-up thread __________________

08-01-2006, 06:42 AM	#5
RobC AudiWorld Super User 2013 Audi S6 My Garage Join Date: Mar 2000 Location: Duluth, GA Posts: 2,477	re: Checked with AWE Mike says that if I follow the installation directions exactly then I shouldn't have a problem. All headers manufactured in the last few years were "fly cut" and have had no issues. Guess all I can do is carefully inspect the weld to make sure it's OK. Anyone know someone who's an expert in this area? __________________ Robert Cheng 2010 S4, 6-spd, Meteor Gray, Prestige, Sport Diff, Strat shifter, H&R Rear Sway 2013 S6, Estoril Blue, B&O, LED, cold weather, comfort seats, 20", rear shade, BBS CH-R 20x9 ET25

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