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Old 11-14-2011, 11:18 PM   Thread Starter #1
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Default Need New Motor Mount and ECU?

Had a couple of issues lately.

1. Driver side wheel bearing went out. Had a whirr, whirr, whir sound that fixed it.

2. Slight vibration while in drive 0mph but not in park. I can notice it at low mph, I can feel it in the steering wheel.

Took car in, my tech tested the MM said it's not switching (we have an electronic motor mount) on while in drive.

A mouse had chewed up some wires in the past, my tech had taped them up, said some more had been chewed. Dang rodents. Mr Mittens has already left me a couple of half mouses on the door step. I don't have any mice or signs of them in the house, gonna throw some De-Con under the shelves

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He also tested the voltage coming from ECU, said it wasn't correct to the motor mount, suspects the ECU might be bad.

I'm going to have him replace the mount first and see what happens.
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Old 11-15-2011, 12:00 AM   #2
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Default Re: Need New Motor Mount and ECU?

Not sure what to tell you on that one , I guess your on the right track and to replace the MM first, is this the passenger side Mount?
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Old 11-15-2011, 10:00 AM   Thread Starter #3
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Default Re: Need New Motor Mount and ECU?

Originally Posted by NiZMo1o1 View Post
Not sure what to tell you on that one , I guess your on the right track and to replace the MM first, is this the passenger side Mount?

Yeah kinda stinks, I don't really want to spend the money on this right now.

I thinks it's the passenger side mount. If I understand it right, we have a front and rear (so not sure if one is considered passenger or driver). The front mount is electronically controlled based on what the engine is doing. Stiffening up under acceleration and softer at idle or slow driving. Which is why I never when with MM inserts. I guess the MM inserts may be better for your typical solid motor mount.

I get the MM replaced today, if the ECU is really bad then I gotta figure that out. Is the ECU the same as an ECM?

Anyone know the method for buying a used one? I think they have to be the same year 2005/SE/5spd/Auto non-nav........anything else I am missing?
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Old 11-15-2011, 10:37 AM   #4
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Default Re: Need New Motor Mount and ECU?

I would replace the motor mounts and fix all the wiring before buying an ECU. Its a hita nd miss with buying a used one. If you do get a used one, get one from the same model/tranny and features (tcs etc..)
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Old 11-15-2011, 10:51 AM   #5
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Default Re: Need New Motor Mount and ECU?

Well that blows, especially around the holiday's. Sorry to hear man
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Old 11-15-2011, 10:55 AM   Thread Starter #6
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Default Re: Need New Motor Mount and ECU?

Thanks, that is what I will go with. MM and wiring and then see what happens. Too bad I get a flashed ECU. Dang ECU expensive right?
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Old 11-15-2011, 12:11 PM   Thread Starter #7
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Default Re: Need New Motor Mount and ECU?

ECM is about $750 Everything Nissan MM is about $129. Good thing I have some OT this week. Putting in 72hrs ugh.
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Old 11-15-2011, 08:16 PM   Thread Starter #8
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Default Re: Need New Motor Mount and ECU?

MM replaced, ECU is working properly!
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