Quote:
Originally posted by DieselAddict
Can someone explain why it's such a big deal not to turn the engine backward? I've read about this too but not until after 2 valve adjustments where I did turn the engine backward. It seemed to turn backward as easily as forward and I haven't noticed any ill effects. Was I just lucky or is this whole thing just blown out of proportion?
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The problem is.. if you have any slack or play in the timing chain/belt, your engine will turn out of time. Or at worst you might jump the chain or belt.
If it doesn't jump the chances that you're pistons will collide with your valves are increased. Not to mention your valve timing may not be correct when you are done.