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Engine Noise Coming From Underneath The Lower Intake Manifold Collector

NISMO-61
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Deep Dish V35 Experienced

Deep Dish V35

Posted
Posted

the things on the front of the engine with the blue plugs (assuming you have a VQ25 or 30 motor) are just electronic magnets. they unbolt easy enough, the mating surfaces of the magnets can be inspected but not much else. The gasket is metal so can be re-used. the sound issue is most likely something to do with the camshafts rather than the magnet unit

scotty nm35 Grand Master

scotty nm35

Posted
Posted

There is not much to the camshaft advance mechanism, just an electromagnet with a clutch plate and behind that a spring advance unit. I have spares here if you need them.

What suburb are you in?

NISMO-61 Contributor

NISMO-61

Posted
  • Author
Posted

There is not much to the camshaft advance mechanism, just an electromagnet with a clutch plate and behind that a spring advance unit. I have spares here if you need them.

What suburb are you in?

Roxburgh Park..

Have you already gone through that process. I mean have you had the same issue and changed the things? I got a call from a wrecker here in Melbourne and he asks for $270 for the pair. I'm not sure what to do.

NISMO-61 Contributor

NISMO-61

Posted
  • Author
Posted

One last question.

As the mechanic diagnosed the problem as the variable valve timing control system....... sort of thing which is causing the noise, what is the repair procedure or what kind of parts needed for the job? what exactly is it that I would need to replace?

I send an e-mail to an auto wrecker who has three v35s in stock and he gave me $275 for pair, I dont know what he is talking about and I dont wanna get things that I would not need

Regards

PN-Mad Grand Master

PN-Mad

Posted
Posted

ok- question. Does he know that the unit is not working? Has your mechanic checked and logged the Cam advance degrees while driving the car?

scotty nm35 Grand Master

scotty nm35

Posted
Posted

Without first hearing the noise I couldn't be sure but I doubt it is the cam advance mechanism, they are nearly bullet proof. They do make a decent click noise though as the engine revs past about 2500 revs. below that they shouldn't be working at all. Did he check the cam signal like Alex mentioned? If the solenoid is getting energised then the mechanism is working as it should and the problem is possibly with the ecu or wiring.

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