what r they and what happens to your motor when they go bad. any helpfull links will be greatly appreciated. I just bought this maxima about 3 days ago as a daily driver to not put miles on my other "beast"; but that doesn't mean I won't be racing this car. I just love 3rd gen. maxima's.

LS1's and VE maxima's

 

Here is an article Jeff92SE wrote about them: http://www.geocities.com/bracecraig/...vcs-bible.html. I got that from Craig's site, which is listed under the FAQS sticky at the top of this page.

 

Valve Timing Control

Basically they advance the intake cams 20* for more torque. They sit on the end of the intake camshafts, where the sprockets are.

http://s92599732.onlinehome.us/images/Veapart/1.jpg

The 'top' camshaft is the exhaust, the 'bottom' is the intake (just how I have them in the box).

 

do you or anyone know where i can find the "Nissan Technical Service Bulletin" for this problem?

 

does VTC failure necessarily mean loss of HP too if any at all; besides the noise.

 

possible if the units have failed. i just got done replacing mine (couldnt stand the desiel sound)

 

mine are noisy at startup and then go away. do i still have time before i replace them if i can wait 10-15 mins after startup to not hear the noise?

 

thats what mine did after startup they were quiet, then as the motor began warming up it clacked and clacked, then after its fully warm it stopped. i couldnt stand it anymore - never had a problem like that with my trans-am GTA (350cu) 400whp. (great car)

 

so r u saying that I still have time? I don't understand.

 

anyone have an answer to this? What about long-term damage to the engine? I have forgotten what I know about VTC's I just deal with mine ticking...

 

yeah you have time. go to craigs site (in the FAQs) and ground them for now if the noise is bothering you.

OR

Try a Toyota filter part number 90915-YZZA2. Some have said that this quieted their VTCs.

rebuild or get new ones later when you feel like fooling with it.

 

Or once they bug you so bad, you can ground them. Like I did, now they tick very quietly at startup & that's it. You'll loose a little top-end power, but making that noise go away is worth it.

 

http://www.mattblehm.com/faq/VTC_tsb.pdf

Make sure your tell Matt93se thanks.

 

Geez read the FAQs.