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yeah its coming from the head i took it apart and i saw some metal
chips on the valves



[email]SBKyler2@gmail.com[/email] wrote:[color=blue]
> Tony,
>
> Are you sure its coming from the heads?
>
> I have an 86 4Runner with a 22RE engine (injected). I have come to
> learn that a very common problem with Toyota's is the timing chain.
> (Yes, its a chain and not a belt, but possibly not the case for ALL
> toyota engines). Anyway, what happens is after a few miles (100k or so)
> the timing chain gets so loose by the tensioner either falling off and
> dropping into the oil pan or the chain stretching that the chain begins
> to tap on and wear a groove through the chain cover. Then, once a
> groove goes all the way through the cover, the engine coolant flows
> freely into the oilpan and does a number on your engine. The noise
> could very well be that. Especially if its accomanied by any of the
> following: a slight off-timing during startup/shutdown or acceleration
> and/or a "dieseling" during shutdown.
>
> I'm having my whole engine rebuilt (for other issues too) and I can
> recommend a great mechanic in Long Beach if you need one.
>
> Peace,
>
> Kyler[/color]