TwinTurbo.NET: Nissan 300ZX forum - Anyone know if this sounds like a timing belt slip??
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Subject Anyone know if this sounds like a timing belt slip??
     
Posted by Serg300zx on October 25, 2011 at 1:06 PM
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Message A little info on the car. The car has been parked for about two months due to waiting for and exhaust I ordered. The car was running fine when I parked it with no issues at all. Every week I would head to my parents house to start it up and it never had any issues until I went this past sunday. I turned the key to start the car and it took longer than usual to start the car. It ran but it seemed as though the car wasn't running on all cylinders and would die if I didn't give it gas, it also made the garage smell as if gas was leaking). I also noticed that the battery was having a hard time turning the engine over and at times would just do the click'click' noise as if the battery was dead. So we swapped the battery with one from our 08 yukon and even that one was having a hard time turning it over and the terminals would get pretty hot (burned skin to the touch). So I decided to take drivers side intake off to see if I could spot the problem and noticed that a small of vaporized fuel was coming out the throttle bodies when cranking the engine over. This led me to believe that possibly the timing belt slipped witch is causing the intake valve's to be slightly open with the engine is suppose to be in compression thus causing the fuel to seep out the cylinder heads and out the throttle bodies. This seems to make perfect sense to me but , I've read here on this board that even being slightly off on the timing would cause severe damage to the valve's. Im kinda lost on this one because the car was running fine and then out of no where it just doesn't want to run.

Well anyways here's a quick video I took of turning the engine over. You can tell that the batter wants to give out trying to start the car. As for the throttle bodies u might be able to see a small amount of atomized fuel come out.

Here is the direct link if it doesn't post right.

[ http://flic.kr/p/ayXpBx ]


[I know someone is gonna catch it, one of the phillips screw's on the inside of the throttle body is loose. Glad I caught it now trying to diagnose this problem because that would have ruined the engine completely (if its not already ruined) later down the road.]


Just trying to figure out if its even possible that the timing belt slipped? Or even better, if someone has had first hand experience of the timing slipping but not causing any damage to the valve's and cylinder head. Just want to get this freaking car running since I installed my labree exhaust yesterday and can't even hear how they sounds.

     
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