How to tell 3650 is bad?

fshawn50 · Sep 21, 2009

Thought that I might see if maybe you guys could help out on a transmission rebuild? Ok I picked up a second 3650 an guy I got it from said 3,4,an 5 would not shift into?? But when I tore it down all seems ok? From a visual stand point? No chipped or worn gears no teeth missing syncros look ok? Any ideas I know someone has some info on here thanks guys

johnnyt03gt · Sep 22, 2009

all 3650's are bad lol especially when it's cold if i gun it, grinds going in 2nd

fshawn50 · Sep 22, 2009

ok guys I know everyone thinks there junk an all. Even heard guy wanting to use his as an anchor for his boat but if anyone has maybe some pics of one torn down an trashed on the inside that would be great?? Like I posted before the guy said it was bad but looking at all the internals it looks good i'm thinking maybe it was his clutch not letting it shift?

40oz · Sep 22, 2009

There's nothing wrong with the 3650 a change of drivers cant fix. [edit] [/edit]

fshawn50 · Sep 22, 2009

40oz said:
There's nothing wrong with the 3650 a change of drivers cant fix.

Sooo ur sayin you can drive better what does 40oz. go for these days

johnnyt03gt · Sep 22, 2009

40oz said:
There's nothing wrong with the 3650 a change of drivers cant fix.

So its normal for a brand new car not too go in gear. My old T5 with 200.000k
Would shift like a champ compared 3660.just like
theirs noting worng With the older plastic intakes?
Posted via Mobile Device

40oz · Sep 22, 2009

that was mostly a joke, I edited in a smiley 'cuz I saw that was missing :/

Mine has been fine. On really cold days (-10F or colder), my 3650 gives a small grind going into second in the morning. That's it. Hardly makes it "junk" in my mind.

Given the huge numbers of these transmissions out there in Mustangs, it would be more surprising if NOBODY had ever had any issues. Some of you come across like you just have entirely unrealistic expectations and zero experience with the real world, whether that's fair or not. There isn't a car company out there that can claim zero issues ever. If you want to call the 3650 junk, feel free, but some of us are going to assume you just can't drive a stick worth a crap.

And I'm on my second Mustang with the plastic intake, and have yet to have an issue. I'm not saying nobody has ever had one, but I've not, and I think there are plenty of other people out there that could say the same thing. It's not like they all crack on the same day.

peepeeskillz · Sep 23, 2009

my 3650 also makes noise sometimes going into 2nd when its still cold. But i would hardly call it junk, i abuse the trans everytime i drive and it hasn't ever had any issues yet

rrl · Sep 25, 2009

i had the fix done at the dealer about 3yrs ago and i should have just left it alone.before i took it in i drained off some of the fluid per tremec and it seemed a lot better.i thouhgt the fix at the dealer would take care of the inherrent problems but it didn't.

war69 · Sep 25, 2009

Ive been runnin my 02 at 450hp and have not had one issue hot or cold. couldnt ask for a better tranny.

flstang65 · Sep 26, 2009

No problems here with mine.

rrl · Sep 28, 2009

do a search on this site for the official tremec 3650 issues.you'll find hundreds of complaints.those that never had problems,consider yourselves lucky!!!

40oz · Sep 29, 2009

and those that do have problems, consider yourselves unlucky!!!

man, can we stop beating this dead horse at some point?

johnnyt03gt · Sep 29, 2009

fshawn50 · Sep 29, 2009

wanted to beat the horse a lil too

ther i'm done

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