(no subject)

[Stephen Bigelow]

My understanding is that _upper_ rod bearing can be hammered by excessive
pre-ignition...lower ones would need to be buggered by a low oil/pressure
situation that would surely also wreck the main bearings.

Do _you_ notice noise from the bearings? How is the oil pressure?

> The car had its timing belt and a major service done to it today and the
shop
> called me and told me that my lower rod bearings were noisy and that they
> needed replacement.  He also told me that if this did not get done, I am
> looking at a bigger job down the line and that replacing them now can
prevent
> a larger job down the line.
>
> What would cause the rod bearings to fail so prematurely and how is their
> failure diagnosed? Is this common on the 20V engine?