VQ37VHR curiousity question

Da Flash · 12-21-2024, 01:39 PM

Hey All,

I am replacing the Timing chains and tensioners (yes, all three!), water pump, oil pump and the gallery gaskets which, by the way don't look blown out. Other than reading the FSM, I have been watching quite a few YT videos on the procedure and my question is this;

Why do some VQ's have phasers only on the intake cams (my engine 2009) and why do some have phasers on the intake and exhaust cams?

I just find this to be odd!

Oh yeah, I HATE all these damned wiring harness clips!!

Spooler · 12-21-2024, 06:50 PM

It depends on what engine it is. VQ35DE, VQ35HR, or VQ37VHR

Da Flash · 12-21-2024, 07:43 PM

Thanks for the reply, as I stated, it was just curiousity.

As far as changing the 3 tensioners, I now know why I don't see it being done. Removing the VVEL ladder assembly to do this is a bit more than I was really asking for! Maybe one day if I change the exhaust cams but, it won't be today!

SkysG37 · 12-22-2024, 08:20 PM

You CAN change the shoe on the drivers side without attacking the head.
But some clearance has to be cut into the inner timing cover.
I used tape and a die grinder.

Da Flash · Yesterday, 08:33 AM

Quote:

Originally Posted by SkysG37

You CAN change the shoe on the drivers side without attacking the head.
But some clearance has to be cut into the inner timing cover.
I used tape and a die grinder.

Good thing that I tried the passenger side first! I came up with the idea of just changing that shoe and calling it a day!

12-21-2024, 01:39 PM	#1 (permalink)
Da Flash Base Member Join Date: Mar 2017 Location: Houston Posts: 33 Drives: 09 370z 6MT B/Sport Rep Power: 8	VQ37VHR curiousity question Hey All, I am replacing the Timing chains and tensioners (yes, all three!), water pump, oil pump and the gallery gaskets which, by the way don't look blown out. Other than reading the FSM, I have been watching quite a few YT videos on the procedure and my question is this; Why do some VQ's have phasers only on the intake cams (my engine 2009) and why do some have phasers on the intake and exhaust cams? I just find this to be odd! Oh yeah, I HATE all these damned wiring harness clips!!

12-21-2024, 07:43 PM	#3 (permalink)
Da Flash Base Member Join Date: Mar 2017 Location: Houston Posts: 33 Drives: 09 370z 6MT B/Sport Rep Power: 8	Thanks for the reply, as I stated, it was just curiousity. As far as changing the 3 tensioners, I now know why I don't see it being done. Removing the VVEL ladder assembly to do this is a bit more than I was really asking for! Maybe one day if I change the exhaust cams but, it won't be today! Last edited by Da Flash; 12-21-2024 at 07:47 PM. Reason: clarification

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12-21-2024, 06:50 PM	#2 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 13,832 Drives: 2013 Nismo 370z Rep Power: 2684392	It depends on what engine it is. VQ35DE, VQ35HR, or VQ37VHR

12-22-2024, 08:20 PM	#4 (permalink)
SkysG37 Base Member Join Date: Jun 2019 Location: Fort Myers Florida Posts: 27 Drives: SC '08 G37 coupe Rep Power: 6	You CAN change the shoe on the drivers side without attacking the head. But some clearance has to be cut into the inner timing cover. I used tape and a die grinder.