I f*&#ed up my transmission......!!!!

[meet07]

I cant beleive this junk. Drove my car 4 times with about 2 qts of transmission fluid. Drove it tonight when it was cold and clunk...........could not get it out of gear? Pulled over, put it in nuetral and added the last 2 qts that I had. forced it into 1st and took off. I am able to shift it into all the gears now but you can definetly tell that something is broken. Any input as far as what to do besides shoot myself with a 44 mag for damaging a $2,000 dollar part....... with 65,000 miles on it???

[Carl H]

are you sure its a trans issue and not a clutch issue?why would you drive the car low on gear oil?

[Joe]

serious question: a rb25 trans holds 4 quarts of gear oil?

[meet07]

Carl H: Reason that I drove with only 2 qts is b/c the autoparts store only had 2 qts. At the time I wanted to get those 2 qts in the transmission and test drive it. Got side tracked, bought the other 2 qts and never got around to putting it in. You know how it is when you get a new toy. I didnt think it would be a problem. Its just like driving a car that has about half the oil in it required. Does it mean the car is going to blow up..... no.

I do hear a scraping noise when touching the clutch pedal. It makes the same noise with the clutch pressed all the way in. But I am almost certain that it is a transmission problem.

Joe:I read somewhere that the rb transmission holds about 4 qts.

[Joe]

im pretty sure this isnt a trans problem

as long as you had fluid in there you should be OK. my 25(20 trans) used to spray gear oil out of the vent tube and when it gets low on fluid it just tends to shift hard and pop out of gear. you have to run it TOTALLY dry to damage anything.

did you replace your TOB when you did your swap?

have you adjusted your clutch pedal?

[meet07]

I Didnt think the clutch was adjustable. I did not replace the pilot bearing. I have 2 new ones but didnt have the tool to remove it. When you put it into gear with the car off you can feel the choppyness thta it did not have before. Its definetly the transmission. Went out back this morning and put it into all the gears. went into all the gears in sequence 1st, 2nd and so forth. then went back and tried to go from 5th to 4th and It would not go into 4th without a the clutch being pushed in. Same thing from 3rd to 2nd. Went back through the sequence again and all good.

I can almost put money on the transmission. If its true about the internals of the transmission being the same as the tt 300z then I might not have to get a new transmission. I really f#@$ed up this time.

[MATTs14]

My 20 transmission does the same as what joe said. It shifts hard when its cold but after it warms up its like butter. maybe you should try warming up the fluid in the transmission. just put it in second gear and cruise slowly around a parking lot or something and see if you can get it worked into all the nooks and crannies. Also why are you trying to shift without using the clutch?

[Joe]

I Didnt think the clutch was adjustable. I did not replace the pilot bearing. I have 2 new ones but didnt have the tool to remove it. When you put it into gear with the car off you can feel the choppyness thta it did not have before. Its definetly the transmission. Went out back this morning and put it into all the gears. went into all the gears in sequence 1st, 2nd and so forth. then went back and tried to go from 5th to 4th and It would not go into 4th without a the clutch being pushed in. Same thing from 3rd to 2nd. Went back through the sequence again and all good.

I can almost put money on the transmission. If its true about the internals of the transmission being the same as the tt 300z then I might not have to get a new transmission. I really f#@$ed up this time.

not pilot bearing, throwout/release bearing.

the transmission being choppy when the car parked is 100% normal. theres no forward motion of the gears to mesh them so of course its going to be choppy.

yes the clutch pedal is adjustable and you need to adjust it. free play should be between .25-.5 inches

i dont think there is anything wrong with your transmission.

[GTS-T 240]

whats you shifter bushing look like? you might be getting cought up after forcing it in gear.

[meet07]

Joe: Your right there is nothing wrong with the transmission. Drove it this afternoon to the parts store to replace my inline fuse holder with a 150 amp breaker. Im going to take your advise and adjust the pedal only if you give me a 101. But one question.........what does the adjustment on a pedal have to do with the engagement inside the transmission??? seems to me no matter how you adjust it the clutch slave cylinder is just going to move the same distance.

[Coolwhip]

because the pedal adjusts how much the master sends to the slave, resulting in differences in engagement.

[meet07]

ahhh seee. Well I looked up how to adjust it so therefor I have something to do tomm.

[TECHLINE08]

I work at Nissan in WF, i have a 240 with an rb, if you need someone to look at it real quick, stop by

[meet07]

TECHLINE08: Word. I will take you up on that offer when I get her right.

I have decided to go ahead and pull the transmission again. When I rev it with the clutch engaged I here something loose rattle around. Im not liking that. I adjusted the pedal and it did no good. Im also going to replace the hard line that I got from Autozone with the one provided by our sponsors.

[thenillaz]

If he needed his clutch adjusted why would he have had no problems the first 4 times he drove it? What gear were you in when it went "clunk" and you couldn't get it out of gear? If you have to really force the shifts it could be a transmission problem. Maybe you broke a syncro. You really shouldn't drive a car if its extremely low on fluids. If you think its OK to drive a car with half the correct amount of oil in it and expect it to be OK you're wrong, and obviously you experieced what will happen first hand. If an engine has half the right amount of oil in it its not gunna blow, sure, it will sieze because its not properly lubricated.

[meet07]

I want to say that I was in 3rd gear when it made the clunk noise. When it was stuck in gear the was 1st gear. It drives fine now except the fact that no matter where I adjust the pedal to it still makes a squeling noise when pressing the clutch pedal. I also noticed if I go through the gear WOT, when I let off the gas to slow down I hear the same clunck noise. almost like someone threw a peice of metal at the transmission really hard. But the car shifts into gear just fine since the incident.

Im leaning torward remove the transmission again and inspected the condition of the release,flywheel, and clutch. But im wondering if that solid clutch line that I made from autozone might be the problem. Maybe a need a lil bit bigger line to have more volume???

[240z4u]

Im leaning torward remove the transmission again and inspected the condition of the release,flywheel, and clutch. But im wondering if that solid clutch line that I made from autozone might be the problem. Maybe a need a lil bit bigger line to have more volume???

LOL, thats not your problem

Sounds to me like your flywheel or clutch is loose. Don't drive it until you figure out whats going on. Making WOT pulls when it sounds like someone is throwing something at your transmission is not the best way to go.

If that flywheel comes apart/or off your in deep S#$T.

[meet07]

I'll take your advise and keep nicoclub posted.

And I was so close to being done too......

[240z4u]

Dude you always have a few final hurdles! don't sweat it.

Could be worse.

[meet07]

Hey Jeff why dont you come over and give a brotha a hand here in the next week or 2????

[meet07]

Well it looks as if the release bearing was definetly seized up. This is the carnage that it caused......

hole in the transmission:

man she need braces.....:

And spec gots there name all over it:

Missing one tooth:

dents all inside:



Im sending the pics to spec. Lets hope that they will feel sorry for me and give me a new bearing and plate. This is a first for me.

[Carl H]

did you replace that throwout bearing?the spec kit comes with a brand new bearing...if not its not the spec clutch but rather installer error.i doubt the clutch was culprit...i have a spec stage 3 in my car and have dd'ed it for the past 2 years almost with no problems what so ever.

[meet07]

the release bearing was new. everything was new. the bearing was pressed on with a vise and spun freely. def not installer error.

[Carl H]

serious question...did you install the bearing backwards?also you should not use a vise to install the bearings due to the uneven nature of the pressure applied...if you use that method have to have some rather large solid surfaces to distribute the pressure evenly else you can warp the bearing.

[meet07]

the pics show a correctly installed bearing. ive done a few clutch installs.

[Sil240]

A vise????I've never heard of using a vise to put on a release bearing....I can't remember to well, since it was soooo many years ago, but I'm sure I didn't use a vise.

[meet07]

everyone has there own way of doing things. Check out the 240-rb25det swap vid that the sr20 store put out. A vise was used during there install. bearing was pressed on right, not uneven, all parts are new including the flywheel, nothing was warped, pressure plate bolts tightened in sequence. Its not installer error. This is a 1st for me......???

Im talking with spec now to see if I can get anouther pressure plate and bearing.

[240z4u]

Is that bearing locked up?

Evan

BTW; In carl's defense its kinda difficult to see in the photo.

[meet07]

oh yeah! she aint moving at all...... It spun fine before the install and the shaft was grease like required.

[meet07]

bearing installed backwards. you live and learn....