How much slack should the timing chain have?
#1
How much slack should the timing chain have?
While making a failed attempt at adjusting the valves, I noticed that the timing chain isn't super tight. It has probably a 1/2 inch of play when I put tension on it. Is that too much?
#3
There should be NONE, ZERO, NADA, NO slack. When you re-install the timing chain, you are supposed to push the chain guides in while tightening. I actually use big wood clamps to keep them all the way in while I tighten them down.
#8
Since the tensioner is only spring loaded, it will allow the chain to slacken when the engine is turned backwards a couple of degrees.....which happens about 50% of the time during shutdown.
On cars with high mileage, you can hear the chain hit something as it goes backwards from compression while you bump the engine to adjust the valves.
On cars with high mileage, you can hear the chain hit something as it goes backwards from compression while you bump the engine to adjust the valves.
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