GMC Truck Forum banner

5.3L tapping. Help

7K views 54 replies 18 participants last post by  heymccall 
piston slap is for real... chances are though, its a lifter... no biggie, my truck does the same thing. Just let it warm up really well before you take off in it.
 
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top