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26

Yes, it's absolutely necessary. As you state, the primary purpose is to check the timing. It is far better to do this by hand and ensure the timing is right rather than to start the engine without it being in time and it trashes your entire valvetrain. When turning the crankshaft by hand, you can feel if there is any binding, which will allow you to double ...


2

No, your way is not the correct way of doing this. It's very simple. Once the belt is installed, rotate the engine in the proper rotation (most are clockwise) from the crankshaft for two turns. This puts all the slack on the tensioner side. This also gives you another chance to double check the timing without the engine going crunch. The very best way to ...


2

Initially any slackness in the belt will be spread between all of the pulleys. By tensioning it, then cranking by hand, you are moving all of the slack to the location of the tensioner. The tensioner can then be adjusted correctly. Edit - You will appreciate that there is a lot of friction associated with each of the pulleys that the belt travels around. ...


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