Case Studies – Cam Angle Sensor and Drive Belts on a Infiniti G35

My G35 has been driven hard and put away wet by many various members of my family, and just the other day the car threw the dreaded P0340 CAS error. Oh well, I guess I can’t be too upset considering the G35 has over 230,000 miles on it.

What better time to replace my drive belts and freshen things up on my VQ35DE?

Tools you will need to do this job.

Although this job can be performed with the car on the ground, it can become rather cumbersome. Instead we head to the garage and get it up on the 2 post for an easy install.

First disconnect your negative battery as always.

Next with the car raised, undo the 10mm bolts holding the lower G35 splashguard in place, along with the pushpin in the center of the splashguard.

With the guard removed, you now can see the undercarriage and subframe clearly. Locate the 2 tensioners for your drive belt assembly.

Here you see the power steering and alternator tensioner, and on the opposite side of course you see the air conditioning tensioner, shown below:

Now take your 14mm socket and lightly crack the center nut holding both tensioner pulleys tight.

With both pulleys cracked loose, now undo the 14mm tensioner rods that are shown in the first two pictures. Undo the tension slowly until the tension in the belt is loose enough to slip the belts off.

Make sure to remember your belt layout, and that the A/C belt must be put on the car first before slipping the power steering and alternator belt in place.

Yikes!!!

Unfortunately, before installing the cam angle sensor we find that the dealer sold us the left bank when it’s the right bank we require.

Up Next : Installing the cam angle sensor after a trip to the dealer.

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  1. […] lo and behold, it’s the good ol fashioned P0345 OBDII error – P0345 Camshaft Position Sensor Failure A Circuit Bank 2 ; this code indicates that a […]

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