Tranny.... un oh... :(
Thread Starter
Team Owner
Joined: Apr 2001
Posts: 22,267
Likes: 3
From: Dallas TX
Oops.. supposed to say " tranny.. uh oh.. ".. read and find out why.. 
Ok well.. I think the low oil pressure is ok. It is only after hours of driving that the oil pressure is getting that low. I'm going to stick some 15w50 in there for the next month or so to keep the pressure up a little higher.
NOW... another problem... I have noticed lately (the past two days) that when my tranny down shifts from 3rd to 2nd, I was hearing some weird noise (like a chair being pushed along vynil flooring or something like that). At first I thought it was the serpentine belt.. now I don't think it is. I was in D and manually down shifted it and the noise was much louder, and it didn't sound like it was under the hood either. I down shifted it at about 10% throttle to keep the fluid pressure up in the tranny.
Now I think I have a problem with the tranny. Also to note, you're supposed to stay in 2nd gear the whole time when you put it in 2nd right??? Well.. mine is starting in 1st and shifting to second. I don't think it is supposed to do that either (according to the service manual).. . Also, if I manually shift from 1st to D, it takes about 1.5 seconds to shift from 2nd to D... only .5 or so from 1st to 2nd.
Sounds like my 2nd gear clutch pack life is winding down.
Ok well.. I think the low oil pressure is ok. It is only after hours of driving that the oil pressure is getting that low. I'm going to stick some 15w50 in there for the next month or so to keep the pressure up a little higher.
NOW... another problem..
. I have noticed lately (the past two days) that when my tranny down shifts from 3rd to 2nd, I was hearing some weird noise (like a chair being pushed along vynil flooring or something like that). At first I thought it was the serpentine belt.. now I don't think it is. I was in D and manually down shifted it and the noise was much louder, and it didn't sound like it was under the hood either. I down shifted it at about 10% throttle to keep the fluid pressure up in the tranny. Now I think I have a problem with the tranny
. Also to note, you're supposed to stay in 2nd gear the whole time when you put it in 2nd right??? Well.. mine is starting in 1st and shifting to second. I don't think it is supposed to do that either (according to the service manual).. . Also, if I manually shift from 1st to D, it takes about 1.5 seconds to shift from 2nd to D... only .5 or so from 1st to 2nd.Sounds like my 2nd gear clutch pack life is winding down
.
Pro
Joined: Jun 2001
Posts: 697
Likes: 0
From: College Station Tx
I would highly recommend not manually downshifting the transmission. This is very hard on the sprags - upshifting is okay (1-2-3, etc.) manually or otherwise, but not the opposite.
As for your problems, if you haven't recently try changing the tranny fluid and filter and see if this helps. Also check your fluid level. Note the amount of time it takes to shift at WOT - if this is excessive then chances are good you may be due for a rebuild!
Thread Starter
Team Owner
Joined: Apr 2001
Posts: 22,267
Likes: 3
From: Dallas TX
Well.. I only down shifted it manually to test it out. The tranny should down shift fine if it is in proper condition (according to the service manual). However, I first heard it a couple of times when it down shifts as you come closer to a stop. I can feel it do this with every gear.. is this right? None of my other cars have done this, but none of them are vettes.
Race Director
Joined: Jul 2001
Posts: 14,604
Likes: 3
From: Glendale, AZ
glock, had same type of problem in my '85
took it and had a part fluid change and a filter change and the problem just disappeared (although it took 2 days after the filter change) it did go away!
took it and had a part fluid change and a filter change and the problem just disappeared (although it took 2 days after the filter change) it did go away!
Race Director
Joined: Jul 2001
Posts: 14,604
Likes: 3
From: Glendale, AZ
i think it cost me about 60 bucks to change the filter (cuz im lazy i had it done) i would try it before you go out and spend $1300 on a rebuild, or $1500+ on an already rebuilt (Hughes from Summit Racing)
Thread Starter
Team Owner
Joined: Apr 2001
Posts: 22,267
Likes: 3
From: Dallas TX
Jeez.. i just got done doing a filter change and the 5 quart drain that comes with that a few days ago to my sister's blazer.
You really think that after having it done only 2 months ago (2k miles), that this might fix it? I am kind of doubtful.
BTW, I paid $60 for the flush (with the pump they hook up). You got filter and flush for $60? Damn firestone...
[This message has been edited by Glock'94 (edited 07-24-2001).]
You really think that after having it done only 2 months ago (2k miles), that this might fix it? I am kind of doubtful.
BTW, I paid $60 for the flush (with the pump they hook up). You got filter and flush for $60? Damn firestone...
[This message has been edited by Glock'94 (edited 07-24-2001).]
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Race Director
Joined: Jul 2001
Posts: 14,604
Likes: 3
From: Glendale, AZ
if you aren't as lazy as me and can do it yourself, what do you have to lose?
mid america has the kits for the 700R4 for $20, and the 4L60E for $30
like i said before, it may save you $1200 or so, then again, nothings guaranteed!
i was seriously in the same boat...couldn't afford a new tranny or a rebuild for that matter, luckily it worked for me!
mid america has the kits for the 700R4 for $20, and the 4L60E for $30
like i said before, it may save you $1200 or so, then again, nothings guaranteed!
i was seriously in the same boat...couldn't afford a new tranny or a rebuild for that matter, luckily it worked for me!
Thread Starter
Team Owner
Joined: Apr 2001
Posts: 22,267
Likes: 3
From: Dallas TX
Nah, I'm not lazy.. i'm always busy doing stuff. I don't mind doing it at all. I'm just trying to narrow down the possiblities before I start working on it. Like I said, I just got done doing the filter and flush on my sister's blazer for her, so I know how to do it. I over filled the blazer when putting it back in there, which made me mad and wasted a lot of time getting the right amount in there, but I got it done never the less, and saved some cash for her.
[This message has been edited by Glock'94 (edited 07-24-2001).]
[This message has been edited by Glock'94 (edited 07-24-2001).]
Team Owner
Joined: Aug 2000
Posts: 28,015
Likes: 32
Originally Posted by Glock'94:
[B
[B
Ok, just talked with a few tranny places and it sounds to me like the band that controls the 2nd-3rd drum is worn out. Which means "mega rebuild" time. ahhhH! sucks to be me... [img]http]//www.corvetteforum.cc/ubb/frown.gif[/img][/B][/color]
ahhhH! sucks to be me... [img]http]//www.corvetteforum.cc/ubb/frown.gif[/img][/B][/color]
Thread Starter
Team Owner
Joined: Apr 2001
Posts: 22,267
Likes: 3
From: Dallas TX
Well, just got back from the tranny shop, and it didn't make the noise... we couldn't reproduce it. Nor could I reproduce it on the way over there. He said it was shifting a little sluggish from 2nd to 3rd, but nothing out of the normal for a tranny with 131k miles on it.
I guess that I can start saving up now for the rebuild in the future. If I save up for it rather than do it now, I can put in a higher stall TC, tranny cooler, and hopefully a shift kit at the same time. I guess this is more important than the engine upgrades I was planning on, so the money I had set aside for the LT4 hot cam kit is going into the "tranny fund" ...
I guess that I can start saving up now for the rebuild in the future. If I save up for it rather than do it now, I can put in a higher stall TC, tranny cooler, and hopefully a shift kit at the same time. I guess this is more important than the engine upgrades I was planning on, so the money I had set aside for the LT4 hot cam kit is going into the "tranny fund" ...