VQ35DE need opinion on problem
#1
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Location: Canada, Qc
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VQ35DE need opinion on problem
Context: It been sitting the my garage for 1 year without running...
I can't figure if the sound is coming from the bottom or the head. but it come from passenger side front.
Update: The sound is happening when the engine is cold. Then when it's at it regular operating temperature, it's gone... then it's back the next time I start it cold...
Note1: When the car is halfway between cold and regular temperature, then the noise goes and come back randomly while getting it regular temperature...
Note2: If I rev it to 2000 rpm in neutral when halfway to regular temperature, it does the sound at the time it accelerate, then no more sound.... very strange to me...
Note3: I already changed the timing chain tensioner.
Anyone got idea?
I can't figure if the sound is coming from the bottom or the head. but it come from passenger side front.
Update: The sound is happening when the engine is cold. Then when it's at it regular operating temperature, it's gone... then it's back the next time I start it cold...
Note1: When the car is halfway between cold and regular temperature, then the noise goes and come back randomly while getting it regular temperature...
Note2: If I rev it to 2000 rpm in neutral when halfway to regular temperature, it does the sound at the time it accelerate, then no more sound.... very strange to me...
Note3: I already changed the timing chain tensioner.
Anyone got idea?
Last edited by AbyteZero; 09-18-2015 at 08:37 AM.
#3
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If you're noticing a change with engine temperature then I would think it may have something to do with the coolant system when the thermostat switches. Maybe the water pump or coolant control valve? Then again I could be completely full of crap cause this is just a wild *** guess.
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Now the noise seem to be gone (haven't drive the car yet but it doesn't do it anymore when I started the engine this weekend at the garage...)
Very strange....
Very strange....
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