Date: 30 Sep 2004 14:10:00 GMT From: Dave Hinz <DaveHinznospamcop.net> Subject: Re: 99 9-5 Turbo questions
On Thu, 30 Sep 2004 00:31:40 GMT, Bill Jackson <wjacksonnospamesterdotrr.com> wrote: > More info.... > > Today the "check engine" light came on and at about the same time the temp > gauge on the dash went dead. At the same time,t he knocking stopped. Me > thinks that the knocking is unrelated to the possible turbo failure and > probably I lost a temp sensor or something like that. Mid day, the temp > gauge started working again and the knocking came back. Odd.... Yes, sounds like you have more than one problem going on at the same time which is getting the symptoms all inter-confuzzled. > As for the questions on the turbo,yes I'm comfortable with a rebuild of > master cyl. I've even done entire engines in the past. But I was under the > impression that turbos were something that you had to have special tools to > rebuild and balance. Well, the rebuild on the Garrett up to at least the mid 1980s is just snaprings and wrenches, and about the balance thing - if you put together all of the rotating parts in the same orientation as they're currently together, it'll be as balanced as it was before you took it apart, right? Unless I'm overlooking something, only the 2 impellers, the shaft, and the nuts on each end rotate, and only the 2 impellers and the hot-end nut have anything that involves balancing. I seem to recall the procedure included removing the nut from the cold side and pulling the shaft/hot impeller out the hot side, but it's been a decade... > Finally, I did check the PCV one time in the past when I read about the TSB > to no end. The dealer told me the blue puffs were the need for a turbo, but > the car runs very strong and has no real indication otherwise that anything > is wrong. I'd put the turbo at the end of the list, a bit of blue smoke isn't a good reason to dump a couple hundred bucks just yet. > What else should I check before I go tearing the turbo out and sending it > off for repair. I found a place on the net that says that they'll rebuild a > turbo that needs only bearings and seals for $275 plus shipping. > (www.turbochargers.com of all places) Sounds reasonable. If I did it > myself, what would that cost? Not too much less that letting them do it, and if you factor in hassle, it's worth having it done by them it sounds like. Good to know. Someone else here suggested something about an oil breather valve or something, which might deal with the blue smoke, but the knocking and the temp gague (especially in relation to each other) isn't making sense yet.
 |
 |
 |
 |
 |
