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Hummer H3For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.
m Since I have the front cover off, I'm wondering if I should change the timing chain. Can anyone tell by looking at the pics if there is too much slack. Is it worth the effort to change? Change the guides?
Mileage will be the first question. I'd think if you change the chain and guides, you should also change the sprockets.
(Sorry - I can't answer your question about the chain slack.)