Quote:
|
Originally Posted by Suprteck
I might be buying a new 04 Z71 5.3 tomarow.
Do they have the knocking problem fixed .
Any one hear anything at all??
I would greatly appreciate any and all comments.
Thanx
|
In 2003 they redigned the pistons and added a polymer coating to fix the 1999 to 2002 5.3L knock. With any motor, there is always a chance of motor knock. I have heard of at least one 2003 5.3L knocking, but my 2003 5.3L doesn't.