Engine Tick!
11-06-2009, 06:50 AM
#1
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Engine Tick!
Ok i have an 2004 350z with 90000+ miles. My mods are only CAI & EXHAUST with stock cats. Ive posted before and never got the feedback i was lookin for. Now im goin to give more detail..
About a month ago i started hearing a ticking type noise near the driver side engine. Its just a tick, not a knock or grid, It gets a lil louder when revn but not bad. I put a machine stethoscope on it an didnt find anything. Ive heard people say its oil or lifters, well ive run mobile 1 fully synthetic since the showroom floor for 2000 miles, next the vq35 dont have lifters. Some people say its the cam caps has come loose idk. The engine runs & drives like new. It doesnt smoke nor mis. Im about to change the valve cover gaskets dew to one of the gaskets around the spark plug is leaking. I want to fix it while its apart, But wont be able to crank it and lesson when its apart. Anyone with this problem let me know what u did to fix it. This will help me & future people with this problem.. Thanks MWS
About a month ago i started hearing a ticking type noise near the driver side engine. Its just a tick, not a knock or grid, It gets a lil louder when revn but not bad. I put a machine stethoscope on it an didnt find anything. Ive heard people say its oil or lifters, well ive run mobile 1 fully synthetic since the showroom floor for 2000 miles, next the vq35 dont have lifters. Some people say its the cam caps has come loose idk. The engine runs & drives like new. It doesnt smoke nor mis. Im about to change the valve cover gaskets dew to one of the gaskets around the spark plug is leaking. I want to fix it while its apart, But wont be able to crank it and lesson when its apart. Anyone with this problem let me know what u did to fix it. This will help me & future people with this problem.. Thanks MWS
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01-22-2010, 07:02 AM
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im putting a plenum spacer and lower plenum on soon so maybe i will check then. it seems to me that if the ticking rate increases with rpm, that COULD mean injectors, not rule them out...
01-24-2010, 10:40 AM
#9
i have had that problem going on for a few days now; my engina has 80k on it and it runs perfectly, no hesitation, no grinding, no oil pressure issues, no anything, just that annoying clicking, which increases when i throttle up, then decreases when I am either at idle or downshifting. i am not worried too much over it, but is an annoying sound to say the least.
I heard from a mechanic that it might be lifters, but since the VQ doesn't have lifters in it, then what is it? I run Mobil 1 synthetic since i bought it with 45k on it. i also have a plenum spacer (5/16), JWT popcharger, but nothing else, so it can't be any of that.
I hope is something simple, like a timing belt adjust ment or something. Is really beginning to wear thin on me.
I heard from a mechanic that it might be lifters, but since the VQ doesn't have lifters in it, then what is it? I run Mobil 1 synthetic since i bought it with 45k on it. i also have a plenum spacer (5/16), JWT popcharger, but nothing else, so it can't be any of that.
I hope is something simple, like a timing belt adjust ment or something. Is really beginning to wear thin on me.
01-24-2010, 06:39 PM
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Subscribing . I have the same annoying tick and ive been on Mobil 1 since birth too.
Im starting to see a connection here, I think im changing to Castrol on the next change.
Im starting to see a connection here, I think im changing to Castrol on the next change.
01-24-2010, 08:16 PM
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i use penzoil platinum 5w30 and have ever since i bought it with 35000 miles, im at about 70k miles now. it didnt make that noise right away when i got it, just started somewhat recently
01-26-2010, 07:23 AM
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i had the ticking starting at around 85k. @107k after it had went from bad to worse, the rings burned up in the #6 cyl. needless to say i had to replace the engine..
good luck
good luck
Last edited by ericjackson; 01-26-2010 at 07:31 AM.
01-26-2010, 04:51 PM
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I really doubt the Z has solid lifters. Most likely they are hydraulic and therefor self-adjusting.
If they are indeed hydraulic, and that is causing the noise, you could try draining 1qt of oil and putting in 1qt of ATF. Drive it for a day and then do an oil change. ATF is a detergent so if there is something gunked up keeping the lifters from pumping up, the ATF should clean it out.
I had an X3 come in for this same problem and this fixed it. This is actually a common problem on BMW's with the N52. There is actually a recall for replacing the exhaust lifters.
If they are indeed hydraulic, and that is causing the noise, you could try draining 1qt of oil and putting in 1qt of ATF. Drive it for a day and then do an oil change. ATF is a detergent so if there is something gunked up keeping the lifters from pumping up, the ATF should clean it out.
I had an X3 come in for this same problem and this fixed it. This is actually a common problem on BMW's with the N52. There is actually a recall for replacing the exhaust lifters.