Just how good are the tranny's? [Archive] - GrandAmGT.com Forum

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jeffescortlx
04-13-2004, 02:34 PM
My wife has owned her 95 Grand Am GT (now with 125k) for about 3 year's now. We got it with about 70k and had the tranny fluid flushed shortly after, it allways shifted fine, just had it done as normal maintainace. I have the LIM, LCA bushing Power window and alternator repair's down pat, I'm sure I can keep it running for a few more years, as long as the auto tranny hold's in there.

Are the tranmissions known to be relaible and hold up to high miles in that make/model?

It's 100% stock.

This forum has been very helpfull for me to do the repairs my self and save a lot of money, so thank's. :slayer

rizer
04-13-2004, 02:42 PM
Im hoping to get some good replys also, was wondering. Im at 87k miles and when shifting into 2nd, seems like a tiny delay, but rest shifts are perfect.

atc3434
04-13-2004, 03:48 PM
IMO unabused well maintained GM vehicles typically have the drivetrain outlast the body. In other words, 200k on a FWD v6 GM car is no big deal... don't abuse it, keep your fluids fresh, and your good. I've had 2 FWD GM trannies survive lots of towing, racing, etc, and they still have acted fine, over 190k on either.

Gt00
04-13-2004, 04:53 PM
While not a racing unit , the transmissions are pretty reliable for normal driving . Lot's of guys have quite a bit more power than stock and they still hold up OK . :)

thehemi
04-13-2004, 06:58 PM
101K, never change fluid, and still shifts great. :)

My dad's GA went 130K, never changed fluid,
but the timing gears broke (tranny was solid).

AznGA
04-13-2004, 07:53 PM
Tranny fluid change is recommended at 50k. But some people have said not to drain the particles out?

jeffescortlx
04-13-2004, 08:10 PM
Sounds good guy's.

carsarecool
04-14-2004, 11:18 PM
yea i guess dont do a flush past like.....75/80k miles on older trannys cause itll remove all the metal particles and it could slip, but a pan drop/filter change is always good, that gets almost half the fluid i think, and also can you replace it w/ synthetic or do you hafta flush it to switch?

95-GT
04-14-2004, 11:47 PM
Well considering the 95's have the 4T60E, which is just as stong as the 4T65E(HD possibly, cant remember), they are a stong unit. Mine went, but it was due to a common failure on these trannies, and that is a shaft inside the dif snapping from wear and tear. Rebuilt for it is about $1500-$1800. But if you baby the car, it should be just fine.

rizer - 1-2 shift on these trannies are sloppy. Nothing out of the ordanary.

But I am running the 3400, heads, intakes, and exhaust on my tranny with bad motor mounts and I am doing just fine with it. First time it blew was before I had the motor or anything, bone stock. 2nd and 3rd time it blew was due to the transmission shop not doing their job right. But I will be putting down approx 300-325 HP on it, with 12# boost on a turbo and it should hold up just fine.

atc3434
04-15-2004, 07:15 AM
yea i guess dont do a flush past like.....75/80k miles on older trannys cause itll remove all the metal particles and it could slip, but a pan drop/filter change is always good, that gets almost half the fluid i think, and also can you replace it w/ synthetic or do you hafta flush it to switch?

If your beating your tranny up enough to have it slip so bad it needs chunks in the fluid, your doing something wrong. I've flushed every 50k on my cars right through there life, last flush I did was on a car with 160k... tranny shifted better after the flush, just like they always do. When people beat the crap out a tranny, it may slip unless the fluid has lots of chunks in it, but thats really just hiding the real problem, which is that the clutch packs are shot and need to be replaced. If your tranny isn't toast to begin with, regular full flushes are not a problem, and recomended.

rizer
04-15-2004, 04:26 PM
rizer - 1-2 shift on these trannies are sloppy. Nothing out of the ordanary.

.

and i thank you, more at peice of mind now :)

95-GT
04-15-2004, 05:47 PM
Mine is so sloppy at WOT, that 75% of the time, I peg the rev limiter between 5-8 times.

atc3434
04-15-2004, 07:19 PM
Mine is so sloppy at WOT, that 75% of the time, I peg the rev limiter between 5-8 times.

Wow, that ain't right... obviously if your tapping the rev limiter, something is very not right with the tranny. When they get tired, they well shift slower and sloppier, but they sure as hell wouldn't let you tap the limiter, unless its acutally slipping in between shifts. I would get that looked at, somethings not right, maybe a TPS problem, or something to that effect.

95-GT
04-15-2004, 07:44 PM
Everything is fine, the problem is with the stock shift setup pushing the power that I am. I am revving the motor up so fast, that the car cannot shift as fast to keep up. ****, I can break the tires free from a 30 roll and if the car shifts into 2nd fast enough, they break free again. I'll get that vid up tonight.