VVT Camshaft Sprocket Phaser check

Knio · 10-07-2022, 02:33 AM

mine was about 40-50k but I don’t think the mileage was really important as it coincided with a low oil / no oil pressure event. I have a thread somewhere showing how you can easily confirm/deny if its the phasers by measuring the sensor outputs or opening the covers and taking pictures

THE BULL · 10-07-2022, 09:11 AM

The last possibility most folks dont tend to check due to it being a rare one is VTC phaser ring. This is exacerbated by how long you've had a failing gasket. Most owners tend to put about 5k + miles on a failing gasket until something is changed or the problem gets worse

He's a thread I made about it, I only had a NEW bank 1 phaser which I took the opportunity to measure and it seems like tooth 5 alings with one of the tooth of the phaser. As you can see in the thread the failed VTC has a ring that has shifted by one tooth yet looks like normal VTC.

https://www.myg37.com/forums/engine-...ml#post4315666

THE BULL · 10-07-2022, 09:13 AM

To the OP you're almost done with your issue.

You'll only have to figure out which of the three signals are you missing.

Power
Signal
Ground

A multimeter should solve this issue, most likely a failed wire into the connector or broken signal/ ground wire since a power wire would affect the rest.

Good luck.

10-07-2022, 02:33 AM	#1 (permalink)
Knio Base Member Join Date: May 2011 Location: Palo Alto, CA Posts: 141 Drives: 40th Rep Power: 16	mine was about 40-50k but I don’t think the mileage was really important as it coincided with a low oil / no oil pressure event. I have a thread somewhere showing how you can easily confirm/deny if its the phasers by measuring the sensor outputs or opening the covers and taking pictures sx moneypit likes this.

10-07-2022, 09:11 AM	#2 (permalink)
THE BULL Base Member Join Date: Apr 2021 Location: Florida Posts: 216 Drives: G37S Rep Power: 26850	The last possibility most folks dont tend to check due to it being a rare one is VTC phaser ring. This is exacerbated by how long you've had a failing gasket. Most owners tend to put about 5k + miles on a failing gasket until something is changed or the problem gets worse He's a thread I made about it, I only had a NEW bank 1 phaser which I took the opportunity to measure and it seems like tooth 5 alings with one of the tooth of the phaser. As you can see in the thread the failed VTC has a ring that has shifted by one tooth yet looks like normal VTC. https://www.myg37.com/forums/engine-...ml#post4315666 m3clubracer likes this.

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10-07-2022, 09:13 AM	#3 (permalink)
THE BULL Base Member Join Date: Apr 2021 Location: Florida Posts: 216 Drives: G37S Rep Power: 26850	To the OP you're almost done with your issue. You'll only have to figure out which of the three signals are you missing. Power Signal Ground A multimeter should solve this issue, most likely a failed wire into the connector or broken signal/ ground wire since a power wire would affect the rest. Good luck.