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 VQ35HR Throttle Body Rebuild at 8300 Miles???
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Jimmy1262



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6 posts
2007 350 Z VQ35HR
Dahlonega GA
1-9-2008

  VQ35HR Throttle Body Rebuild at 8300 Miles???


Hey, just to give you guys a heads up, installing the NISMO Air Intakes apparently voids your factory warranty. My VQ35HR Has them along with the grounding kit and the dealership in Buford, GA and North American Nissan is telling me that my warranty is void because of it. It only has 8300 miles on the engine and started idling at 1500 RPM. The dealership is also telling me that the throttle bodies have lost calibration and have to be rebuilt. $$$$
C-Kwik
Moderator



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6935 posts
2004 Nissan Titan LE Crew Cab, 2005 Honda CBR600 F4i
SoCal CA
8-2-2002

 « 


My understanding is they warranty the NISMO parts if it is dealer installed.

As for voiding the warranty, they can't simply void the entire warranty because you have an aftermarket or Nismo part on the car. There must be some reasonable level of correlation between the failed part and the aftermarket part.

I'd ask them to be technically specific (both from a mechanical standpoint and legal standpoint) as to why they are denying your warranty claim and ask for the explanation in writing.



"Bad Driver's Famous Last Words:
Watch This!
Jimmy1262



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6 posts
2007 350 Z VQ35HR
Dahlonega GA
1-9-2008

 « Re: (C-Kwik)


Yeah, thats what i thought too man! Now there telling me it's because I replaced the spark plugs and somehow the throttle bodies ( the butterflys inside them) lost calibration. I put the same factory plugs ( brand new of course ) back in it and the car ran great for three months! How in the hell could they lose calibration all by their lonesome? The problem that im having with the car is it started idling at about 1200 and the CEL came on. So far, the dealership already has me down for $2000.00 dollars. They decided to replace both of the throttle bodies. I cant even get someone who speaks good english at 800-Nissan1 ! Let me know if you think any of this crap sounds messed up to you. Appreciate it brother.
Q45tech
Q45 Guru

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11902 posts
1990 Q45 319,000 miles
Marietta , Georgia
4-30-2002

 « Re: (Jimmy1262)


Did you disco the battery, or TPS connections or physically touch/move/push open the TB plate while the engine was off and battery connected? This is enough to cause the TB to lose calibration!

Did you change air filter or use an oiled unit which can disturb the TB calibtration?

The dealership has a contractual duty to inform Nissan when they see owner abuse or modifications. Nissan has final word on what they will or will not pay to replace.

The dealer only has 2 sources of income YOU and NISSAN.

Maybe you are being punished for something you said?



http://www.t3auto.com/
Jimmy1262



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6 posts
2007 350 Z VQ35HR
Dahlonega GA
1-9-2008

 « Re: (Q45tech)


No, I dont think they 're punishing me. I think they're just trying to make a quick buck. They made this decision pretty damn fast. The Lady in service told me they couldn't cover it under warranty because of " ALL " the aftermarket modifications. I then explained to her very nicely that the only two mods that were made to the car was the NISMO CAI and Grounding Kit. Shortly after that, the mechanic over "Steve " gave me a call to ask what all had been done to my car. The atmosphere of the conversation was actually pleasant. But, it was painfully obvious they were pushing it towards out of pocket instead of warranty. I use to work for Honda before I joined the Military. I seriously doubt they attempted to run it through NIssan first. Thats how quick the decision came. I trust Steve's judgement over there though, my buddy is a mechanic for subaru and I already know that Steve has been working for Nissan for 22 years. I just dont approve of them making the call before asking me what was even on the vehicle. As for the Mods, the neccessary percautions were taken before the equipment was installed. That car has not even gone over 3000 MI w/o an oil change.
Thanks for the link, they definitly may help me in the future.

Plus, If the TB's lost calibration, wouldn't the CEL and the noticeable engine difference happen right after? This didnt happen until 1200 Miles later after the mods had been made.


Modified by Jimmy1262 at 6:21 PM 3/10/2008

Modified by Jimmy1262 at 6:24 PM 3/10/2008

aris_unlimited



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132 posts
2004 Nissan 350z white w/ black leather interior 6 speed
Payson Utah
3-17-2008

 « 


I am not overly familiar with the nismo intakes. Are the air filters on them oil based? If so it could be some on the oil got onto your maf or maybe even coated parts of your tb to mess it up. Maf is more likely though.



Car: 2004 350z white w/ black leather interior 6 speed

Mods
Exterior: 15% tint
Engine: Nismo CAI
Drivetrain: JWT clutch, JWT lightweight flywheel
Tires/Rims: Toyo Proxes 4
Q45tech
Q45 Guru

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11902 posts
1990 Q45 319,000 miles
Marietta , Georgia
4-30-2002

 « Re: (aris_unlimited)


Most electronic TB lose calibration when an owner or mechanic makes the mistake of opening them by hand while battery is connected............the postion potentiometer and the syncronous drive motor get out of calibration.
Sentientbydesign
Articles Manager



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3514 posts
05 G35 6MT coupe, 00 Celica GT 5MT
Riverside CA
2-2-2005

 « Re: (Q45tech)


Q45tech,

So the proper way to clean them is to disconnect the battery, then clean it?



Blox 5/8" Plenum Spacer ~ K&N Drop In Filter ~ Hawk HPS Pads ~ Charcoal Grounding Wires

F/S:G35/350Z/FX35/Altima Grounding Kits

What are you running? Brake Setup Poll -- Plenum/Spacer/Intake Manifold

Jacko3

Offline

1320 posts

Fort Lauderdale FL
1-9-2008

 « Re: (Jimmy1262)


Jimmy1262:

Sorry to hear about the issue you are having. But as C-Kwik said, ask them to put down their reason for denying your warranty claim in writing, if you are sure those are the only two things you have done to the car. By the way, the dealership makes more money directly from you by asking you to fix the car with out of pocket money than they do from getting the car fixed under warranty from Nissan (Nissan pays them a fixed amount regardless of how much time they spend in fixing the problem--and sometimes, they don't get the money immediately from Nissan when compared to a customer who pays immediately in cash or credit card). Secondly, Service Managers are held to a financial standard/evaluation of how much money they are able to rake in to meet their monthly target. I have seen Service Managers get fired for not meeting their monthly target. In these tough economic times, the incentive to make the customer pay for the work outweighs the incentive to waste time trying to get Nissan to cover the part under warranty. I would suggest that you are being shafted by that dealership. Why don't you try takinig the issue to another dealership and see what they say?


 

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