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Toyota 4.7L overbore/cylinder wall damage
Posted to Technical Discussion Forum on 11/21/2017 40 Replies

Greetings IATN,

This 4Runner came to us with a destroyed timing belt. We found piston to valve contact and 2 broken valves in the #8 cylinder. This failure put a gouge in the #8 cylinder wall that is roughly .5mm/.020" deep.

Toyota's specs allow for a .5mm... Login to read more.

40 Replies Received (View Replies)

 

car Vehicle Data

2006 Toyota 4Runner Limited 4.7L

Engine4.7 L
Trans5-speed Automatic (Electronic)

car Vehicle Data

2006 Toyota 4Runner Limited 4.7L

Engine4.7 L
Trans5-speed Automatic (Electronic)