Are there any problems with the Nissan VQ35DE?
Moving onto a more legitimate common engine issue for the 3.5 V6 VQ35DE engine. Again, most problems likely aren’t as common as the internet may lead you to believe. However, the timing chain guides and tensioners are two of the more common problems on the VQ35DE. As the names suggest, these parts help keep tension and guide the timing chain.
Are there any timing chain problems on the VQ35DE?
I would like to do a write up about timing chain problems on VQ35DE engines. I’ve done a lot of searching on the forums about timing chain problems on VQ35DE.
When to regulate valve clearance on Nissan VQ35DE?
VQ35DE has no hydraulic lifters, so every 60,000 miles of mileage (100,000 km) you should regulate valve clearance. In reality, the engines serve with no need of regulating it for quite longer than 60,000 miles of mileage (100,000 km).
How do you remove the IVT cover on a VQ35DE?
The IVT covers need to be pried off as they’re RTV’d on as well as held in place with o-rings, so I used a large prybar to gently pull one side away enough to slip a large screwdriver in, then wiggled the cover back and forth while gently pushing the screwdriver in further to help pull the cover off straight.
Are there any problems with the VQ35DE engine?
VQ35DE: Known Problems. Just like any other engine in the world, the VQ35DE has some issues. The Rev-up version, in particular, is known for excessive oil consumption. This issue affects the standard VQ35, but not nearly as often.
Is the tensioner on a Nissan VQ35DE good?
The tensioner is known for not being the best quality and can cause major engine damage if ignored for to long. The poor tensioner can cause excessive timing chain wear causing it to fail prematurely. So the VQ35DE is a versatile and reliable little engine. Nissan stuffed it into many of their products over the last 15 years.
Can you remove the rear timing cover on a VQ35DE?
The problem with the service manual is that it specifies removing everything, including the rear timing cover, so it has you remove a lot of things that are unnecessary, like the valve covers and variable valve timing solenoids. I didn’t remove them to do mine, but you can if you’d like. Just need to get more gaskets and o-rings.
How many DOHC heads does Nissan VQ35DE have?
This engine has two DOHC heads, equipped with variable valve timing system CVTCS on intake camshafts.