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gearbox problem

GOR33

By GOR33,
in Queensland

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GOR33 Mentor

GOR33

Posted
Posted

hey guys,

i have a bit of a problem, my gear shifting is getting really notchy, and makes it weird to put into gear sometimes. its not to the point were it grinds , its sometimes just hard to get into gear, but if u dont push the clutch all the way in to the floor then it rumbles through gear changes a bit. i went to one place that said that my syncros are screwd and that i would be looking at like $1500 to fixit at least, it doesnt fall out of gear or grinds that bad so i dont think this is the prob.

its not consitant either, sometimes u can drive it fine and other times it will stuff up.

the reason that i am posting this in here is to find out if any of you know of a good place i can go to on the gold coast that is reasonabley priced and knowledgable, so i can get this prob checked out and fixed?

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Nexus9 Grand Master

Nexus9

Posted
Posted

I recommend changing your gearbox oil with some Redline Gearbox Oil.

You may find that this will fix the problem for you..... out of interest when was the last time the oil was changed?

If you don't know then it is time for you to change it.

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GOR33 Mentor

GOR33

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i knew someone would ask, about a month ago..........lol, yeh it didnt help much, i was given some of this nulon aditive stuff that is supposed to help but i cant see how it would.

i think its a clutch prob hey, not the actual clutch just how it engages and dis-engages.

any places to go and c about the prob?

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maccattack Proficient

maccattack

Posted
Posted

After having a clutch replaced no too long ago, I asked my mechanic about a similar (slight) crunch going into 5th. My concern was gearbox but he mentioned that the parts quite often become glazed after prolonged use and recommended running a deglazing compound with the oil for approx 1 week, then change back to your regular oil. Apparently this usually does the trick.

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RON-15H Proficient

RON-15H

Posted
Posted

i have this prob, i replaced clutch month ago apparently it needs adjusting and now i have this prob on load and quick shifting 3-4th will grab before hitting 4th gear, spoke with machanic apparently redline might fix ill let ya know if it fixs the prob...else was told that sometimes little metal pieces falls off the syncros and when ya change gearbox oil it comes out but it doesnt explain how lubrication will fix the problem...but ill let ya know how i go b4 ya spend big dollars on getting it fixed..

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GOR33 Mentor

GOR33

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cool, sounds good man, actually your prob sounds similar to mine but i dont think my oil change helped much, and a few months back a mechanic drove my car and said that the clutch is good but just needs adjusting,so we will see what happens, i hope its nething but the need for a new box or reconditioning.

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GTRman1992 Proficient

GTRman1992

Posted
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I had a similar problem, could not get from 2nd to 3rd without crunch. But not always. Felt notchy etc. Was told the syncro story as well. Turned out to be clutch adjustment and bleeding not done properly. Apparently there is this extra drain line in the clutch bleed system and some air can get into it. Weird Nissan thing. Guys at ABS Sumner Park fixed it.

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NismoGirl Grand Master

NismoGirl

Posted
Posted

Just another look at the situation, I've got a short shift thing in my car and "apparently" (don't take it as gospel), the synchros dont keep up when changing gears making them crunch. I know andrew changes gears faster than me and he crunches them. It's normally 5th that crunches. We find that if you leave it like 1-2 seconds before putting it into gear it doesn't crunch.

Just another idea.

My gearbox was starting to crunch heaps before I got the clutch replaced. Once I got the clutch replaced it stopped.

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