Need some help with 4.0 motor specs

808wrench · Oct 25, 2018

Aloha, guys. I'm in the process of replacing the head gaskets on a 2006 Nissan Xterra. The information that I have for the camshaft caps indicate a final torque spec of 52 in-lbs. I'm not a true Nissan guy, I seem to work more on Toyotas. The torque spec of 52 in-lbs seems too low to me (in comparison, the camshaft caps for a Toyota 3.4 is 144 in-lbs for what appear to be identical screws). Can anyone confirm these numbers?

Thanks, Raymond

rogoman · Oct 25, 2018

According to the FSM for your vehicle, the camshaft cap bolts torque spec is 92 in-lbs.

808wrench · Oct 25, 2018

bolt torque

Thank you for the response. That sounds more appropriate, if still a little low. I was using the Automate instructions from the Canon city library database. Kind of scary that the info on it would be wrong.

smj999smj · Oct 25, 2018

If you go to NissanHelp.com, you can download a copy of the Engine Mechanical section of the factory service manual for your vehicle. It's located in the "knowledge base" section.

BRubble · Oct 26, 2018

Need some help with 4.0 motor specs

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