Re: sounds like this is going to be expensive

[Kneale Brownson <knotnook@traverse.com>]

generator bearing noise?


At 02:24 PM 10/10/99 -0500, Livolsi, Stephane wrote:
>I was under the hood of the 5k earlier today still working on the idle
>and I noticed an unpleasant noise coming from the back of the engine.
>Hope someone can help me diagnose....
>
>It sounds very mechanical and metallic and dry. (sounds very similar to
>the sound a starting motor sometimes makes after it starts the car and
>the pinion gear is winding down to a stop... especially if the bearing
>is going)... and it happens as the engine revs are coming down.  I
>manually move the linkage to increase rpms and when I let go this noise
>starts and only lasts a second or two.  The noise does not start til
>rpms get down to around 1500 or so and as rpm's drop it goes away.  It
>really sounds like its coming from the rear of the valvecover but it
>could be further down. The car is standard transmission and is obviously
>out of gear when I do this, but the clutch is not pushed in.  Could it
>be a gear or bearing in the transmission? Are there any tranny
>gears/bearings moving when the tranny is out of gear but clutch is out?
>Otherwise, what could it be - rear cam or crank bearing, distributor
>gear?
>
>TIA
>
>  
>Stephane Livolsi
>180 Yorston St
>Williams Lake, BC, V2G 3Z1
>ph 250-392-2637
>fax 250-392-2693
>
>'86 5KTQ stock (if you don't know what it means, you aren't in the club)