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reverse wont go in?

 
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Old 12-03-2010, 03:57 PM
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reverse wont go in?

i was driving to auto tech and i shifted wrong and my gears made a wierd noise(like grinding, when you dont have the clutch in correctly or something) well after that i got to class, and when i was leaving as hard as i tried it wouldn't go into reverse, and sometimes when it does go in, i cant get out of it, anyone know whats happening, thanks :)
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Old 12-03-2010, 06:59 PM
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Re: reverse wont go in?

that syncro mesh stuff might work
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Old 12-03-2010, 07:02 PM
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Re: reverse wont go in?

is it only reverse thats hard to go in? if its all might be clutch. if its just reverse might be tranny
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Old 12-03-2010, 09:47 PM
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Re: reverse wont go in?

Might be a bent shift fork. I think I remember seeing something about the H trannies being bad about that.
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Old 12-03-2010, 09:57 PM
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Re: reverse wont go in?

what you can try doing if it won't go into reverse, is shift into 3rd then 4th to align it, then into reverse. what i also do sometimes is let the car roll a little bit.
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Old 12-04-2010, 01:19 AM
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Re: reverse wont go in?

It's the syncro.. It happened in my car my car the one and only time I let someone else drive my car.. My buddy that has a corvette drove my car and went from 2 to 5 and then Finally got it in third.. I think he jammed it pretty hard when he was shifting too..

I had no reverse for months and had to park on hills so I could roll back..

It eventually just fixed itself somehow though..

I wouldn't take it to Honda dealership either bc they wanted like a grand just to take my trans apart to look at it! I just laughed at them and was gonna get a LSD trans until it fixed itself..

Sorry I can't really help you though..
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Old 12-06-2010, 12:09 PM
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Re: reverse wont go in?

yeah its wierd it goes in now like it used to, it just fixed itself, thx every one
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Old 12-06-2010, 03:35 PM
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Re: reverse wont go in?

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Originally Posted by 00CDMLUDER View Post
It's the syncro.. It happened in my car my car the one and only time I let someone else drive my car.. My buddy that has a corvette drove my car and went from 2 to 5 and then Finally got it in third.. I think he jammed it pretty hard when he was shifting too..

I had no reverse for months and had to park on hills so I could roll back..

It eventually just fixed itself somehow though..

I wouldn't take it to Honda dealership either bc they wanted like a grand just to take my trans apart to look at it! I just laughed at them and was gonna get a LSD trans until it fixed itself..

Sorry I can't really help you though..
I dunno, I think it would be hard for a synchro to cause reverse issues considering that reverse is not a synchronized gear...
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Old 12-06-2010, 04:40 PM
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Re: reverse wont go in?

Isn't it just a spur gear that reverses the output of 1st?
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Old 12-07-2010, 02:44 AM
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Re: reverse wont go in?

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Originally Posted by havikprelude View Post
I dunno, I think it would be hard for a synchro to cause reverse issues considering that reverse is not a synchronized gear...
Well that's what my buddy said lol but... I was driving no problems..he mis-shifts a couple times..I was like whoa let me drive now..no reverse

I dunno but it felt like he jammed 5th gear or something and it unjammed itself over time..

And yes I believe 1st and reverse are together
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Old 12-07-2010, 03:27 PM
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Re: reverse wont go in?

No...prolly not.

I haven't yet taken apart a prelude transaxle, but I'm certain that it is a nonsynchronized spur gear, most likely located on the 1/2 synchro sleeve. It doesn't really reverse the direction of first. (EDIT: Yes, it is a nonsynchronized spur gear. The driving reverse gear is located on the input shaft between 1st and second drive gears. The driven reverse gear is located on the 1/2 synchro sleeve as part of the sleeve. The reverse idler gear is seperate and slides into contact with the drive and driven gears in order to perform reverse.)

What happens is when you shift the reverse idler gear slides into contact with the reverse drive and driven gears, and the addition of the extra gear provides the reverses direction. Power comes in through the input shaft, to the reverse drive gear, through the reverse idler which drives the reverse driven gear, and changes the directional rotation of the output shaft.

I'm guessing. I'm going of the basic transaxle design, which is the same for all transaxles, but there is differences in design from one to another, of course.


However I do know that it is a striaght cut spur gear, which is not synchronized. The only cars I'm aware of nowadays that have a helical cut reverse gear with a synchro are Corvettes and the like. (its for noise reduction and smoother shifting is all.)


As for the OP's original problem, if the problem only occurs in Reverse, then it has to be something unique to that gear. Is it possible that it is the clutch? Possible, but extremely unlikely. Could it be the hydraulics? Once again, possible, extremely unlikely.

Chances are it is something that has to do with reverse, specifically. Looking at the M2Y4 diagrams, I'm seeing that reverse has its own shift shaft and fork for the reverse idler gear. Probably bent that, or bent something close enough to it to cause it to bind.



Some other things that it COULD be:
-damaged shift mechanism
-interferance between floor shift handle and console or floor cutout (your shifter itself binding)
-restricted travel of the shift linkage and/or rails due to misalignment
-damage to that select gear


I'm thinking one of the last two, with the first of the last two being my guess. Prolly bent something.
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Old 12-07-2010, 06:35 PM
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Re: reverse wont go in?

Quote:
Originally Posted by havikprelude View Post
No...prolly not.

I haven't yet taken apart a prelude transaxle, but I'm certain that it is a nonsynchronized spur gear, most likely located on the 1/2 synchro sleeve. It doesn't really reverse the direction of first. (EDIT: Yes, it is a nonsynchronized spur gear. The driving reverse gear is located on the input shaft between 1st and second drive gears. The driven reverse gear is located on the 1/2 synchro sleeve as part of the sleeve. The reverse idler gear is seperate and slides into contact with the drive and driven gears in order to perform reverse.)

What happens is when you shift the reverse idler gear slides into contact with the reverse drive and driven gears, and the addition of the extra gear provides the reverses direction. Power comes in through the input shaft, to the reverse drive gear, through the reverse idler which drives the reverse driven gear, and changes the directional rotation of the output shaft.

I'm guessing. I'm going of the basic transaxle design, which is the same for all transaxles, but there is differences in design from one to another, of course.


However I do know that it is a striaght cut spur gear, which is not synchronized. The only cars I'm aware of nowadays that have a helical cut reverse gear with a synchro are Corvettes and the like. (its for noise reduction and smoother shifting is all.)


As for the OP's original problem, if the problem only occurs in Reverse, then it has to be something unique to that gear. Is it possible that it is the clutch? Possible, but extremely unlikely. Could it be the hydraulics? Once again, possible, extremely unlikely.

Chances are it is something that has to do with reverse, specifically. Looking at the M2Y4 diagrams, I'm seeing that reverse has its own shift shaft and fork for the reverse idler gear. Probably bent that, or bent something close enough to it to cause it to bind.



Some other things that it COULD be:
-damaged shift mechanism
-interferance between floor shift handle and console or floor cutout (your shifter itself binding)
-restricted travel of the shift linkage and/or rails due to misalignment
-damage to that select gear


I'm thinking one of the last two, with the first of the last two being my guess. Prolly bent something.
Yeah I think it might be the last one

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Originally Posted by texprelude View Post
yeah its wierd it goes in now like it used to, it just fixed itself, thx every one
Lol I told u it would fix itself... It's been years since it happened to me and still no problem..I wish I could of found out the problem though
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