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Syncro's bad (transmission is going to be replaced) -should they replace my clutch 2?

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Old 02-07-2007, 12:06 PM
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Syncro's bad (transmission is going to be replaced) -should they replace my clutch 2?

Well i posted in the coupe section but i am having a lot of people with like 4 posts posting when they have no idea what they are talking about so I thought i will ask my new question here (since it is more technical)

my situation:

i have an 04 g35 coupe with 30k miles (1st owner). My 5th gear has started grinding (BADLY when cold and less so when warmed up). I havent talked to my dealership yet, but what i am wondering is this -

many people who have had this same problem have had the clutch replaced under warranty (i know it is a wear part). Should i push for a replaced clutch along with my transmission? Has my clutch endured a lot of excess wear as a result of this problem (something that would make me push for a free clutch)? Im not going to ask for a free wear part if this problem is unrelated to clutch wear, but since i dont know enough about this technically, i'm wondering whether or not i should expect/want a new clutch when they replace my transmission. I will talk to my dealership tomorrow (my mother is going in and i am 4 hours away).

thanks in advance guys
Old 02-07-2007, 12:08 PM
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I had my transmission replaced but not the clutch. I doubt they will replace the clutch, but it cant hurt to ask.

Good luck!
Old 02-07-2007, 12:17 PM
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thats what i figured since it seems like the clutch wouldnt be effected by this problem (correct me if im wrong as thats the pupose of the post). My clutch still seems to grab great (havent chirped a gear in a long while but i'm sure that i could lay some rubber down). it grabs really well still, but has it been adversly effected by my tranny that didnt even last 30k miles?
Old 02-10-2007, 02:56 AM
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Nope you are fine, the synchros are very soft brass gears if something isn't right or you hurried a few shifts it can chew stuff up. And sometimes they just fail, but it has no impact on the clutch itself. I lost the synchro in my subaru in 3rd and 5th and the clutch was fine. Really all the clutch does is disengage the tranny from the engine, what goes on IN the tranny has no effect on it, cause while you are grinding you are engaging the clutch anyway.

Also clutches are wear items so like you said unless something is wrong with it as far as a defect you won't be getting a new one. BUT this is the time to do a light pressure plate and different clutch if you wanted that.
Old 02-14-2007, 12:30 AM
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when my 3rd gear synchro went out and the infiniti dealership replaced my tranny under warranty and they also did the clutch disk as well at no charge.
Old 02-14-2007, 01:07 AM
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Some dealers will do a clutch and some won't.

There are 10's of 1,000's of G/Z's on their 2nd or higher tranny. Maybe not that many but there is a very long thread over on my350z of people who are on #2 or higher and when you factor in how many people are not on these forums the number must be huge. The synchro problem is very coomon. I'm on #2. The highest I have seen is one guy on #5.

Last edited by ttrank; 04-11-2007 at 09:35 PM.
Old 02-14-2007, 04:21 AM
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Quote:
Originally Posted by ttrank
Some dealers will do a clutch and some won't.

There are 10's of 1,000's of G/Z's on their 2nd or higher tranny. The synchro problem is very coomon. I'm on #2. The highest I have seen is one guy on #5.
Did they replace it before or after the TT's? Mine has been rough all along, but I would like to get it replaced before my warranty is up
Old 04-11-2007, 09:23 PM
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It was before the TT but I did have the Stillen SC on at the time.
Old 04-11-2007, 09:42 PM
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if you can get the clutch under warranty.. i don't see why not. But if it's going to be a hassle.. then just leave it be. The clutch has little to do with the synchros directly. But if they're going to do it for you.. then shooooooot.
Old 04-22-2007, 02:15 PM
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When my 3rd gear was grinding, they replaced the tranny and clutch at the dealership in Dallas
Old 04-23-2007, 01:11 AM
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has your problem been taken care of?
if youre experiencing 5th gear - i wonder what other gear is on the same shaft? this may be the next gear to give out as well. the synchros are brass ( i remember honda synchros were plastic ) but i never thought theyd be this easy to destroy / mangle! hey, keep us posted - james
Old 04-23-2007, 01:28 AM
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when my tranny was replaced a couple of months ago because of the 5th gear grind.. they replaced my clutch for me as well but it does depend on the dealership
Old 01-07-2014, 01:33 AM
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I know I am resurrecting this thread from the dead but this grinding, is while in gear or while changing gears?
Old 01-07-2014, 09:46 AM
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The grinding in this thread is when changing gears. It's related to bad syncros in the older versions of the transmissions. The latest version, CD009, fixed the syncro issues.

If there's grinding while in gear, then there's some other issues going on.
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Old 01-08-2014, 02:02 AM
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I feel grinding in the shift **** when changing gears, I don't hear anything though.... is that not normal?

I have a 2005 G35 Coupe 6MT, do I have the older tranmission?

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3rd, bad, clutch, coupe, g35, gear, phoenix, replace, replacing, sale, synchro, syncro, syncros, tranny, trans, transmission
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