Jump to content
SAU Community

V35 Vq25dd Engine - Timing Belt Or Timing Chain?


Recommended Posts

Hi guys,

I have heard differing stories about this. Some people on here seem to have mentioned that the V35 (specifically the VQ25DD engine for the 250GT) runs with a timing chain instead of a belt, which hence would not need replacing.

However, I have checked both in my V35 Skyline owner's manual (with maintenence schedule) and also under the bonnet, and in both places it says to replace the timing belt at 100,000km.

Does anyone here know for sure?

Link to comment
Share on other sites

maybe they mean engine belts, like what would have been called the fan belts except they are now thermostatically controlled or viscous controlled.

anyway, all VQ engines run a timing chain that probably wont need changing in the life of the engine if its looked after

Link to comment
Share on other sites

zei20l is correct.

Timing CHAINS for all VQ's.

Yes, under my bonnet it states timing belt change at 100,000kms... But I assure you, the VQ engine has a timing chain.

Why don't you call Nissan if you are still unsure?

Link to comment
Share on other sites

Thanks for this info. I guess I just struggle to understand why they would put that under the bonnet and also in the service guide if it wasn't necessary and they run a chain. That would seem strange.

I've asked Nissan many things regarding the V35/VQ engine, and frankly they have been pretty useless on every occasion so far.

But thanks for clarifying.

Link to comment
Share on other sites

I've asked Nissan many things regarding the V35/VQ engine, and frankly they have been pretty useless on every occasion so far.

Try a different dealership. :banana:

Or just change the vehicle reference to "350z"

Some know what they are talking about and find a imports interesting whereas others (the majority, unfortunately) just go through the motions.

Edited by iamhe77
Link to comment
Share on other sites

those manuals you get have probably been 'converted' from the R32/32/34 days and they neglected to change the timing belt thing because - well, i dont know why, but whatever the reason its wrong :)

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share



  • Similar Content

  • Latest Posts

    • You need the kit turbo taipan has shown you because that manifold ia designed have side feed injectors 
    • @johnnysr22 did you end up installing the little screen thingy and did it work ?>   
    • There is a LOT of stuff that can be done, it all depends on how much time and money you want to spend on doing in.  Not all ECUs will be able to do it, and the more control you need the more time and knowledge needs to be put into making it work.  If you're willing to spend the time and money and have the right hardware and skills involved there's a lot that can be done. 
    • I am impressed with all this level of adjustment. I didn't expect all this possibility
    • Correct.  In the case of the 500kw dyno plot I showed you the car actually runs two boost control solenoids for boost control and a 5psi wastegate spring.  It allows me to control how much boost pressure is applied to both sides of the wastegate valve at any point and fairly accurately control boost target as a result. I've tuned it so that it's able to target anywhere from 5psi to 25psi depending on what's needed.  The target tables I've set up in that car are Gear vs RPM, so every gear has potential for a different boost (and torque) curve.   First and second gear have quite low boost targets, third gear actually has different target boost all the way through the rpm range as it's a stock RB25 gearbox - the boost targets have been chosen to maintain a peak of 600nm (what the owner has set as the maximum torque he's happy with putting through the stock 3rd gear) but it carries that to the rev limiter.   The boost curve to achieve that is something of a ramp up, then hold, then ramp up again and the power curve looks more like a flat line haha.  
×
×
  • Create New...