87 5000TQW Driveline banging past 3K RPM

[John Booth]

If it shakes the drive train it is probably triggering
the knock sensor.


--- "Polletta, Jon (J.Po)" <Polletta at aprisma.com>
wrote:
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> Hey all,
>
>
>
>             I was test-driving an 87 5000TQW this
> weekend and had a
> question...
>
>
>
>             The owner told me it was in need of a
> new prop shaft center
> bearing because it "clunked". While driving, all
> seemed well until 3000 RPM
> where it felt like the prop shaft was banging
> against the tunnel and the
> Check Engine light came on in time with each knock.
> Didn't have an
> opportunity to check out the underside, but why
> would a bad bearing cause
> the Engine light to go on? Only having experience
> with 4000's I'd appreciate
> any info you could send my way.
>
>
>
>             Thanks!
>
>
>
> ------------------------------------
>
> Jon Polletta
>
> Enterprise Application Developer
>
> Aprisma Management Technologies
>
>
>
> --
>


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