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t5 pops out of 1st gear ??

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5.6K views 20 replies 10 participants last post by  T3X@$  
#1 ·
i just bought an 89 gt and i would like some information...
when i take off in 1st it pops out of gear but if i hold it with a little pressure it will stay and i can take off as hard as i want.... and once ive climbed rpms a bit it will stay under hard accelleration... all up shifts from that point are fine... it has a new king cobra clutch from previous owner and he said it started doing that after the clutch was replaced and said something about cable adjustment ..... im not gonna lie, im a chevy,gm guy but honestly the one car ive always wanted is this GT... this is my first so a little veteran knowledge would be appreciated...
info on car as far as i know..
97k miles
original untouched 5.0 ho
cel light flashes under acceleration ... dumped pipes

"Who knew the dark side was so much fun!!!"
 
#3 ·
Sounds like your 1-2 assm. is getting weak, the dogs aren't locking it in gear.
 
#6 ·
sometimes grinds but if im easy it goes in no problems... doesnt pop out of any other gear.. it almost seems as if one of the teeth is broken.. is that possible.. i have a trans am 6spd modded and i already like my gt much much more.. is there any way i can put that t56 in my gt..... retro kit or something.. this car would be the shit if i could...
 
#8 ·
CONCRETEINVASION said:
sometimes grinds but if im easy it goes in no problems... doesnt pop out of any other gear.. it almost seems as if one of the teeth is broken.. is that possible.. i have a trans am 6spd modded and i already like my gt much much more.. is there any way i can put that t56 in my gt..... retro kit or something.. this car would be the shit if i could...
Yes they have a T56 upgrade for your Mustang. jimig@standardtransmission.com
 
#9 ·
slim87GT said:
I would check the shifter adjustment first. If thats not it then its going to be slider assembly and or the gear. If you need any help with it let me know I rebuild standard transmissions at home 214-458-8965 Noah

thats what i was looking for.. im noob but only to mustangs.. im a chevy guy,,, (blue oval is the dark side.. haha) but to be honest trannys are a bit of a mystery... thats what the guy i bought the car from said.. he said he replaced the clutch and it started doing that... i figured worst case scenerio id get a tko and still have less in the car than its worth... but if i can stay with the current t5 ill be happy....
 
#12 ·
CONCRETEINVASION said:
ive looked on this site but i cant find how to adjust shifter linkage... any help???
There is a direct replacement T56 for the Fox bodies, same spline input and output shaft.
 
#14 ·
Sounds like the fork pads on the 1-2 fork are no bueno . Its gonna have to come apart for sure .
 
#19 ·
lolo89cpe said:
mines doing the same thing. im having it rebuilt and putting in a world class t 5 and use the other as back up.... :rolleyes:
Smart move, one can never have too many back up T5's.