This is still about the my transmission. I went ahead and took the pan down last nite. There was quite a bit of shavings in the pan, but no big chunks of metal or anything. The TV cable was fine and so was the governor. After changin the fluid the shifting characteristics didnt change at all. All it does now is shift from 1st to 3rd at 4000 RPM or so. No 2nd or overdrive. A buddy suggested a "4th gear drum" might be broken and that it happens often with these trannies. Did you hear anything about this ? I guess a "valve stuck in the valve body" theory can be thrown out at this point ? :/

------------------
92 Z28 L98 350
---------------
Ported and polished heads, ported stock TPI base, ported plenum, Comp Cams XR270HR-10 cam (lift .495/.502 duration 218/224 lobe separation 110), Edelbrock TES headers, LT4 valve springs, Crane AFPR, Flowmaster catback with LT1 style tips, MSD coil & wires.

Best ET 13.5@105 mph

"Take that auto, drop it in first, hold the brakes, stomp the gas and grin from ear to ear! :-)

http://www.truspeed.org/Members/Chev...dmondIndre.htm

 

So you are saying that if you put the car in manual 2nd, it will stay in first? (thats a little test I use to see if 2nd is engaging).

There is not "4th drum", but there is a reaction shell, that is splined to the Reverse Input Housing. The RI Housing is what the 2-4 band squeezes during 2nd and 4th gear. The reaction shell is known to break, but if this happens, you will have no reverse either (remember, the RI Housing is splined to it, so it needs it also). So if you have reverse, than the reaction shell is not at fault.

If you have reverse, than it is likely the 2-4 band took a dump. What do the shavings look like? Cut the filter open and spead it like a book, there will be more inside. Are they BRASS, PLASTIC, BLACK CLUTCH, ALUMINUM, (won't get picked up by magnent), or STEEL (will be picked up by magnent)?

------------------
If you live in Southeastern US, check us out!
South East Thirdgen


ASE Master Tech + L1
Savannah, GA

'87 Trans Am
S/D TPI retrofit including functional PassKey,
22# injectors,
JET AFPR,
Ported Plenum,
TB Coolant Bypass,
SSM SFC,
Boxed LCAs,
8mm Accel wires,
Flowmaster Exhaust,
16" GTA rims,
Corvette Servo,
KYB Shocks
-->14.97 @ 94.9 MPH<--

'97 Bonneville SSE

 

Well I'm at work right now so I can't inspect the filter. But the shavings were light colored and must have been aluminum since they were all over the pan, the back and front of the filter and they didnt stick to the magnet. Actually there was hardly anything stuck to that magnet. LOL

But yes, if you put in 2nd it wont downshift to 2nd from 3rd, or if you start out with the lever in 1st, then u push it to 2nd the tranny doesnt shift. It will stay in 1st. However if you push it to 3, it will shift to 3rd. If you put in overdrive, nothing changes, except there's no engine braking at all. If I keep it in 3rd and let off the gas there's plenty of engine breaking. Not in OD though. First kinda slips also. But it feels a lot better when the lever is 1. When the shifter is in OD and it starts out in 1st it revs to like 2000 before and it barely moves then around 2500-3000 it starts to "catch" pretty strongly and the car moves pretty quickly.

I hope I wasnt too confusing, and lever=shifter. LOL

------------------
92 Z28 L98 350
---------------
Ported and polished heads, ported stock TPI base, ported plenum, Comp Cams XR270HR-10 cam (lift .495/.502 duration 218/224 lobe separation 110), Edelbrock TES headers, LT4 valve springs, Crane AFPR, Flowmaster catback with LT1 style tips, MSD coil & wires.

Best ET 13.5@105 mph

"Take that auto, drop it in first, hold the brakes, stomp the gas and grin from ear to ear! :-)

http://www.truspeed.org/Members/Chev...dmondIndre.htm

 

Do you have reverse?

------------------
If you live in Southeastern US, check us out!
South East Thirdgen


ASE Master Tech + L1
Savannah, GA

'87 Trans Am
S/D TPI retrofit including functional PassKey,
22# injectors,
JET AFPR,
Ported Plenum,
TB Coolant Bypass,
SSM SFC,
Boxed LCAs,
8mm Accel wires,
Flowmaster Exhaust,
16" GTA rims,
Corvette Servo,
KYB Shocks
-->14.97 @ 94.9 MPH<--

'97 Bonneville SSE

 

Yes I do! And I take back the fact that I said I have no 2nd gear. I do. The only way to engage it thoug is ONLY if you downshift from 3rd to 2nd. If you keep it in first, let it reach 5000 RPM then slam it into 2nd it'll still stay in 1st. However if you go in 3rd then it will engage 3rd.

 

So maybe it is something to do with the valve body ? Maybe I should take it down and give it a good cleaning or something ? LOL I just dont know what I'm getting into since I know NADA about them.

 

Definatly sounds like valvebody trouble. The problem is: if the valves are sticking, its most likely from the debris that has fallen, and if you do correct the situation, either by cleaning or replacing, it will only be temporary because whatever is giving off the debris, will surely shed more. I would pull the valvebody down, and see if shavings aren't in the body, and that none of the valves are stuck.

------------------
If you live in Southeastern US, check us out!
South East Thirdgen


ASE Master Tech + L1
Savannah, GA

'87 Trans Am
S/D TPI retrofit including functional PassKey, 22# injectors,
JET AFPR, Ported Plenum,
TB Coolant Bypass,
SSM SFC, Boxed LCAs,
8mm Accel wires,
Flowmaster Exhaust,
16" GTA rims,
Corvette Servo,
KYB Shocks
-->14.97 @ 94.9 MPH<--

'97 Bonneville SSE

 

Damn and I JUST changed the tranny fluid. There goes 30 bucks down the drain... LOL
THink it would be a good idea to another filter for good measure ? I want to fix it at least until I can find another tranny or get the money for a real tranny

 

Hell no! Take it back to the shop and tell them they don't know a transmission from a water pump. If it has this many problems with such a fresh rebuild, then more than likely, somebody clueless attemped to rebuild it. I would definatly take it back and raise hell. Racing or not, it ain't right.

------------------
If you live in Southeastern US, check us out!
South East Thirdgen


ASE Master Tech + L1
Savannah, GA

'87 Trans Am
S/D TPI retrofit including functional PassKey, 22# injectors,
JET AFPR, Ported Plenum,
TB Coolant Bypass,
SSM SFC, Boxed LCAs,
8mm Accel wires,
Flowmaster Exhaust,
16" GTA rims,
Corvette Servo,
KYB Shocks
-->14.97 @ 94.9 MPH<--

'97 Bonneville SSE

 

Well this is the 2nd time the transmission has failed during these 3000 miles. First some planetary gears got shattered causing the tranny not to shift out of first gear. They blamed on me doing "neutral drops". I was like "DO you REALLY think I would be that stupid to abuse my transmission in such a way ?? Do you really think I like having my car in your shop for 3 days and having to bum a ride to work ? And finally do you really that I need to do neutral drops so it spins the tires ? This engine has enough torque to spin them whenever u want!" Anyway, they fixed it. They said that the 2nd time it breaks they wont fix it because the warranty doesnt cover "racing". Well this is the 2nd time. I really think I got a ****TY transmission. It's just not possible for it to fail after so few miles even though it was raced every weekend. Anyway... wish me luck I guess, I'm going to call the warranty company to request a different shop to do the rebuild.

------------------
92 Z28 L98 350
---------------
Ported and polished heads, ported stock TPI base, ported plenum, Comp Cams XR270HR-10 cam (lift .495/.502 duration 218/224 lobe separation 110), Edelbrock TES headers, LT4 valve springs, Crane AFPR, Flowmaster catback with LT1 style tips, MSD coil & wires.

Best ET 13.5@105 mph

"Take that auto, drop it in first, hold the brakes, stomp the gas and grin from ear to ear! :-)

http://www.truspeed.org/Members/Chev...dmondIndre.htm

 

Hell yeah, your original tranny went how many miles with similar driving conditions, and this one can't make it around the block? Screw these guys.

Its funny, because I rebuild the same transmission for people who pull boats, horse trailers, and beat the crap out of there truck with no problems. Hell, the rebuild usually lasts longer than the original.

Tell me they didn't blame the reaction planetary set to fail from nuetral drops! (I say the reaction set, because you loose 2nd and 4th when it fails) That planetary has nothing to do with first gear, wich is the gear that the nuetral drop takes place in. Another example of them taking advantage of "the average customer". I would like one of those jokers to tell me something like that. I wish Dana from ProBuilt could hear this.

------------------
If you live in Southeastern US, check us out!
South East Thirdgen


ASE Master Tech + L1
Savannah, GA

'87 Trans Am
S/D TPI retrofit including functional PassKey, 22# injectors,
JET AFPR, Ported Plenum,
TB Coolant Bypass,
SSM SFC, Boxed LCAs,
8mm Accel wires,
Flowmaster Exhaust,
16" GTA rims,
Corvette Servo,
KYB Shocks
-->14.97 @ 94.9 MPH<--

'97 Bonneville SSE

[This message has been edited by GMTech (edited November 26, 2000).]

[This message has been edited by GMTech (edited November 26, 2000).]