Question about 1997 Nissan Quest
The timing belt broke on my 97 nissan quest . Does it normaly bend the vales on this engine , or is it just retime and put on the new belt?
When A timing belt breaks, the best way to see if the engine is still good is to retime the motor, put a new timing belt on without the covers or anything else in the way or replaced, (that way you can see the belt and timing marks moving) and do a compression test one each cylinder. you're not looking for compression to be at specs, you just need to have a compression reading on each cylinder. if you have compression in each one, finish the job up and it should work. if you have no compression in one or more cylinders, chances are you have a bent valve. that involves pulling the heads off and having them gone through.
hint: To reset the timing on the engine move each gear just a little at a time swtiching between them each time. If you start to feel any binding that feels like you're hitting a piston, you probably are. it's normal to feel some tesion from the springs, bout you can still turn the gear with a little effort. it's tricky to describe the difference, but once you feel the spring pressure, you'll know what the feel of a valve on a piston feels like. if this happens, just move the crank a little bit and then go back to the cams. take your time and you'll be able to get the motor re-timed.
Posted on Jan 27, 2009
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