How do you remove the bolt from the crankshaft pulley on a Nissan xterra?

Question

Am using a breaker bar, socket, and strap wrench. The bolt is real tight and wont turn. (trying to replace the timing belt)

Answer 1

My guess is you're having problem keeping the crank shaft from turning.

If this is the case it depends on the transmission type you have.
If you have a manual transmission. The best thing to do is to place it in reverse gear.

If it is an automatic transmission, then what you need to do is open up the flex plate inspection cover. It's underneath by where the engine connects to the transmission. Then Jam something between into the gears of your flex plate to prevent it from turning. As you try to losen the bolt on the crankshaft pully there will be a lot of force placed on the item used to jam the flex plate. My advice is to use something VERY strong like a tire iron. Too easy to break a screwdriver here.

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Answer 2

Put a pipe over the end of the breaker bar to make it longer.