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QR25 2.5L Engine Engine Discussion: 2002+ Sentra SE-R and SpecV

       
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Old Sep 21st, 2003, 10:33 PM   #1 (permalink)
Zaren
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Since my questions weren't answered in my other post...

And now it's closed, so I had to make a new one.

If you're wondering what I'm referring to, this is the thread:
http://www.nissanforums.com/showthre...threadid=35133

Quote:
Originally posted by tekmode
this has also been discussed many times...

Quote:
Originally posted by Zaren
Yes, I've searched, I just want some more details that weren't in other threads., don't kill me =P
Kind of hard to have a discussion about it if you close the thread. I made a new thread because I still have questions that have not been answered. In the other threads these questions were not answered, that is why I made a new thread.

Quote:
Originally posted by Zaren
Is it obvious if you're looking at the bottom of the car?
This question wasn't answered in any other thread either, the reason I ask is because the way you phrase this...

Quote:
Originally posted by tekmode
They would also know if you took it in for oil change and it takes 6qts.
...makes it sound like the only way that they would know would be when they do oil changes. You don't have to bring your car to the dealer for oil changes, I plan on doing them myself, and therefore if someone told me if it's obvious when you look at the bottom of the car I would know if the dealership would ever even know if I removed the balance shaft. See where I'm goin with this?

Quote:
Originally posted by tekmode
this has also been discussed many times...
Quote:
Originally posted by Zaren
Yes, I've searched, I just want some more details that weren't in other threads., don't kill me =P
In fact, tekmode, you didn't really even answer anything in my original post other than telling me it would cost too much to replace the balance shaft, and then you stated that this has also been discussed many times, and then you closed the post so that no one could answer anything... all of which posts I searched for and I have read, like I said, and I asked nothing that I had learned after reading them. I wasn't rude about it, I told you I had read the other discussions already. How am I supposed to go about it if this was wrong?

Quote:
Originally posted by tekmode
it voids the warratny, end of story.
Maybe you didn't read it right. I don't know, you seemed to think I was asking if it voids the warranty? I never did ask that, although I did say I don't understand why it does, which isn't what you answered.

I don't want you to get pissed off at me, tekmode, alls I want is to know some answers to some questions and some discussion on it that havn't even been asked and answered or talked about yet(as far as I could find). Isn't that what this forum is for?
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Old Sep 22nd, 2003, 09:12 AM   #2 (permalink)
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What exactly is it that you want to know, other than 'more details'?


Warranty coverage cannot be voided completely from any aftermarket modification. Legally, coverage is guaranteed unless the modification you made can be specifically pointed to as the cause of the failure. For example, if something fails in the cruise control system the dealership cannot say 'your warranty is void' because you put in an aftermarket air filter.
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Old Sep 22nd, 2003, 09:36 AM   #3 (permalink)
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but if you removed a vital part of the engine(thats what it is to nissan) ie. balance shafts, they will most likely void the warranty for anything drivetrain wise
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Old Sep 22nd, 2003, 10:10 AM   #4 (permalink)
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Legally they cannot do that unless they can prove that removing the balance shafts caused the failure (that may not be very difficult, but it is a requirement).
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Old Sep 22nd, 2003, 10:23 AM   #5 (permalink)
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according to Nissan, the balance shafts are vital to the 'safe' operation of the engine... i.e., removing them is equivalent to removing your oil pan, because you're altering the internal workings of the engine... bolt-ons are different as they are not really an integral part of the engine or its operation.

true, they DO have to prove it's your mod that killed the engine, but seeing as how the balance shafts are meant to dampen excess vibration and keep the engine from shaking apart, it won't be hard for them to make a case for it in case your engine DOES break down.
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Old Sep 22nd, 2003, 11:20 AM   #6 (permalink)
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Agreed, I think they would probably blame just about anything that could be even remotely linked to the balance shaft removal so that it's your fault and the warranty of the part is voided.

But what I really want to know is how's the dealership going to know you have removed the balance shaft? It's not like they check to make sure it's there every time you bring your car in for service, is it?
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Old Sep 22nd, 2003, 02:22 PM   #7 (permalink)
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usually when you take your car in for something they drive it. they will feel a lot of vibration when doing so
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Old Sep 22nd, 2003, 02:22 PM   #8 (permalink)
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well, any damage your car might suffer that could be even remotely linked to the balance shaft removal would necessitate them pulling apart the engine...

But if the problem is not internal to the engine, I don't think they can blame the BS removal for it...
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Old Sep 22nd, 2003, 02:58 PM   #9 (permalink)
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Quote:
Originally posted by Zaren
But what I really want to know is how's the dealership going to know you have removed the balance shaft? It's not like they check to make sure it's there every time you bring your car in for service, is it?
it takes an extra quart of oil, that might key them in. and yes it is unlikly that if your A/C goes out they will check your B/S. But if you have a true engine problem they will find it soon enough.
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Old Sep 22nd, 2003, 04:56 PM   #10 (permalink)
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Quote:
Originally posted by tekmode
but if you removed a vital part of the engine(thats what it is to nissan) ie. balance shafts, they will most likely void the warranty for anything drivetrain wise

bingo.

I don't know why questions like this come up all the time.

if you take something OUT of the engine and replace it with OIL it will VOID the warranty.

it may be more obvious than you think.
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Old Sep 22nd, 2003, 08:30 PM   #11 (permalink)
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unless you really plan on seriously racing your car I wouldn't even touch the balance shaft.... it doesn't make that much of a difference, I did it to mine and regret it... what if something happens to my car?? I'll be screwed. They will go as far out of their way as they can to find a way to make you pay for the engine instead of them come time to replace it or fix it.... I know this, they tried telling me that I had to pay for my new starter at around 1200 miles because of my CAI...... I mean come on... I had to laugh at them and argue to make them realize I wasn't that stupid but they still tried to blame me...
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Old Sep 22nd, 2003, 09:20 PM   #12 (permalink)
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Everybody makes valid points, u have to decide if its worth it or not. If you need serious engine work, will it be worth the trouble if dealer won't fix it? Will you have the money to replace engine?
If you answer no to any of those questions, then I wouldn't do it. With them in you still have piece of mind that the dealer can't try to f/u!

I looked at it like what is the likelyhood that I will need serious engine work during my warranty period? In my opinion not likely so thats why I had mine removed. Would I do it again...probably not.
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Last edited by 7SPEED : Sep 22nd, 2003 at 09:24 PM.
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Old Sep 23rd, 2003, 10:27 AM   #13 (permalink)
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Nissan is going to try and void your warrenty any time you open up the motor. This will be the same for those who buy nismo or jwt cams. If you have a problem the dealer will be quick to blame your alterations weather they caused the issue or not. As for added vibration its not that bad I tested a car before and after the b/s mod and it only had added vibration between 3000-3500rpm and it was not much at that. The balance shafts are there for comfort and nothing else. They are also good for frothing oil and breaking cranks if they fail.
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Old Sep 26th, 2003, 08:50 PM   #14 (permalink)
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Quote:
Originally posted by cortrim1
They are also good for frothing oil and breaking cranks if they fail.

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Old Oct 3rd, 2003, 12:18 PM   #15 (permalink)
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Read this...

And yes, if they find out a lot would be voided. Most likely there not going to drop your oil pan. But, that is a risk you have to take.
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