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Old 05-13-2003, 10:38 PM   #1
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HELP!! 700R4 leaking Bad!....

PLease help. I've got an '88 Trans Am with the LO3 and a 700R4. It's leaking tranny fluid BAD!! We put 2 bottles in tonight, and by the time I got home (about 20 miles), it was all leaked out! The RPM's surge when I'm going 70 from around 1800 to 2100 very rapidly. When it's REALLY low, i can feel it surging. We're gonna put it up on blocks tomorrow and see where it's leaking from. I hope it's just a gasket or something. Does anyone have any suggestions?? I know I'm not providing a lot of info, but I don't have much. Thanks in advance to all!
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Old 05-14-2003, 03:41 AM   #2
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could be a couple things...

You didnt hit any big rocks did ya? lol

uhm, sounds like your pan is leaking, probably gasket. also check the tailshaft, mine leaks from there ....


update the post once you check it out...

Josh
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Old 05-14-2003, 07:47 PM   #3
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There's a hole on the direct bottom of the Tranny cover. Directly under the torque converter. It looks like there should be a plug or something. Because the hole is round and about a centimeter wide. I'm just guessing though. Is there a plug that's supposed to be there, because it would be a good place for one. Anyone know? Thanks in advance.
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Old 05-14-2003, 08:27 PM   #4
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are you saying its leaking from the hole in the torque convertor cover? if you are then the front pump seal is most likely leaking.No plug or bolt goes in there.
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Old 05-14-2003, 08:50 PM   #5
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I took some pics, but I can't get them small enough to post, so I put them on my site.
http://members.cardomain.com/tamatt27
They're on the last page (page 6) at the very bottom. Sorry, and thanks!
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Old 05-14-2003, 09:58 PM   #6
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yeah that hole is supposed to be there,if its leaking out of there most likely it is the front pump seal.Pull the cover off and look up behind the convertor to see if its coming from there.
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Old 05-14-2003, 10:09 PM   #7
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So you're saying that a seal is broken inside the cover? So, if that's the case, what should I do about the hole in the cover? Thanks, sorry, i'm just a little confused.
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Old 05-14-2003, 10:22 PM   #8
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Im not sure what nitrovette is saying...(not that he's wrong)

it sounds to me like your tranny pan is an aftermarket one. Some aftermarket pans have a plug so you can drain your fluid. That is what it looks like to me. If it is just a hole on the bottom of your pan, try going to autozone and picking up a drain plug.

gl
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Edited****

I jus looked at the picture...nevermind what i said above....vette is probably right. i thought the actual pan was where you had your hole.

Last edited by prOject-IrOc; 05-14-2003 at 10:24 PM.
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Old 05-14-2003, 10:32 PM   #9
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Thanks, so is there a part number or something? Or do I just ask for a tranny cover plug for a 700R4? Thanks,
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Old 05-14-2003, 10:49 PM   #10
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Go back and read prOject's edited post. That hole in the cover is not the problem. Take the cover off and you will see transmission fluid is not stored there. The cover is just that, a cover. I protects the torque converter from getting damaged by rocks and degris under the car. It sound like the front pump is leaking or the torque convertor itself is damaged. When you drove it home did you notice a difference in the way it felt in first gear or leaving a stop light? Anyway, it sound like the front pump to me. Take the cover off. If you are leaking fluid that bad, it should be pretty obvious what the problem is.
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Exhaust: Random Technology exhaust, Carsound Cat, SLP headers
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Transmission: Pro-Built 700R4 Street/Strip, Midwest 2800 Stall 2.2STR, Corvette Servo, Transgo Recalibration; Hayden Transmission Cooler
Dyno: 181 RWHP 230RWTQ STOCK
Dyno: 213.4 RWHP 285.7 RWTQ w/above mentioned mods w/o ignition upgrade, new tranny and stall converter not installed yet
Track: 15.4 STOCK
Track: 13.79@98.7


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"1985 305TPI Iroc, free, modifications and repairs, about $4000, the look on the face of guys with a 350 when they find out they just got wasted by a 305, PRICELESS"
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Old 05-14-2003, 11:01 PM   #11
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Your front seal in the pump is probably blown out. Take it to a
tranny shop you trust and have it checked.
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Old 05-14-2003, 11:36 PM   #12
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Thanks, i'll try and take it to the shop in the morning. So if it indeed the front pump seal, is that expensive to fix? And what should I do about the hole in the cover? Is that ok how it is? Or should I get a plug or something for it? Thanks
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Old 05-14-2003, 11:58 PM   #13
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i believe someone mentioned it is supposed to be there. probably so if something like that happens, it doesnt fill up with fluid. kinda of a warning sign. heh.
yah, their right...its jus a cover, keeping roadkill off your flywheel...

mines been off for awhile, no idea where it has gone.
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Old 05-15-2003, 06:40 AM   #14
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yes get to a tranny shop and check it out.Theyll have to pull the trans to fix it if thats what is it.
prOject-IrOc- like he said dont worry about the hole.
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Old 05-15-2003, 08:25 PM   #15
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Damn, the guy said that if he were to pull the transmisison out, then it would be better to rebuild it and put all new seals while it's out. Since my dad ould be paying for it, due to me spending most of my money on the paint job, then it would get a mostly stock rebuild, no performance parts.
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Old 05-15-2003, 08:54 PM   #16
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How much was he going to charge you to rebuild the tranny? In some cases it may be better to by a new one. A local shop was going to charge me around $1200 to rebuild mine back to stock. I got a Pro-built for $1395.

Where in Bastrop do you live? I lived there for about 5 years.
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'85 Iroc-Z 305TPI Pro-Built 700R4; 3.42 gears
Exhaust: Random Technology exhaust, Carsound Cat, SLP headers
Engine: Crane AFPR, March Underdrive Pulleys, Gutted airbox, TPIS airfoil, Accel Supercoil, cap, and rotor.
Transmission: Pro-Built 700R4 Street/Strip, Midwest 2800 Stall 2.2STR, Corvette Servo, Transgo Recalibration; Hayden Transmission Cooler
Dyno: 181 RWHP 230RWTQ STOCK
Dyno: 213.4 RWHP 285.7 RWTQ w/above mentioned mods w/o ignition upgrade, new tranny and stall converter not installed yet
Track: 15.4 STOCK
Track: 13.79@98.7


Near Future Mods: 383 Stroker with Dart Heads, 234/244 CompCam, '165 ECM conversion, SLP differential

"1985 305TPI Iroc, free, modifications and repairs, about $4000, the look on the face of guys with a 350 when they find out they just got wasted by a 305, PRICELESS"
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Old 05-15-2003, 11:56 PM   #17
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We've been to a few shops, but I think the average os about $1100 to rebuilt it. I spent all my $$$ on my paint job , so my dad's gonna have to pay for it. He saus that he's not gonna pay for ANY performance upgrades. I live south of Bastrop, towards Smithville. Thanks,
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Old 05-16-2003, 12:14 AM   #18
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i just got a rebuilt performance tranny from ebay. check it out...
http://cgi.ebay.com/ebaymotors/ws/eB...ory=33727&rd=1

has 1 year free replacement warranty, no questions asked.

Josh
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Old 05-16-2003, 12:48 AM   #19
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Don't tell him you are getting performance upgrades. How much is he willing to spend on the transmission?
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Old 05-17-2003, 01:36 AM   #20
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Well, he found a guy that'll rebuild it, and put some 'performance parts' in too. What performance parts should I be asking for? I was thinking about the corvette servo?
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Old 05-17-2003, 02:07 AM   #21
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I would get the corvette servo and the Transgo Recalibration kit. I have a transgo recal kit that I bought and was going to put in my transmission but didn't get a chance to before the tranny died. I decided to buy a tranny from Pro-built that already has it installed. I sent you a PM.
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Old 05-17-2003, 09:50 PM   #22
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Thanks. Jfreeman74, i sent ya a PM. Thanks tho. Where can I get a corvette servo? How much would one cost? Thanks,
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Old 05-18-2003, 02:53 AM   #23
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You can get one from www.Pro-Built.net. I'm not sure what he charges for them. I got my corvette servo off ebay for about $15.
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Old 05-18-2003, 06:09 AM   #24
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ill sell you a brand new one i bought over ebay, a week before my tranny went out. it jus got here 2 days ago. still in wrapper.

20 bux. i paid 35 after shipping
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Old 05-18-2003, 08:54 PM   #25
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Thanks!, but I don't know if it would be here in time. I need to have my car back by Thursday, so I don't know if that would work out. I'll just ask the guy if he's got one. What exactly does a Corvette Servo do? Sorry, knew it's good, but forgot y
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Old 05-18-2003, 08:54 PM
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