2002 TAHOE NO 1 OR 2 MANUALLY MOVING SHIFTER (ENGINE REVS AND GRINDING NOISE FROM TRANS), BUT PUT IN THIRD AND OVERDRIVE LIKE MOST AUTOMATICS AND IT RUNS AND DRIVES WITH SLIPPING OCCURING BETWEEN 2 AND 3 UP SHIFTS .. . . CAN'T DOWN SHIFT TO 2 OR 1 EITHER IT IS LIKE YOU PUT TRANSMISSION IN NEUTRAL? NO NOISE FROM TRANS WHEN DRIVING IN 3 OR OD?
Hey Cody,
Sounds like its time for a transmission filter and fluid change.. and BEWARE - If the transmission has not been serviced on a regular schedule you may not be able to drive away from the service shop..(THIS IS NORMAL for a GM transmission that has not been serviced regularly -- I have had this happen to myself once on a '96 suburban!!) If you need to get the trans rebuilt ..TIP - go to the local drag strip and ask several of the mechanics who the best transmission man in town is..(THEY KNOW!!)..use him!! It can usually be rebuilt for around $1400.. Good luck!!!
SOURCE: transmission wont shift into 3 and od
Sounds as if 3rd gear is our of the transmission or it could be the shift selenoid.
SOURCE: My transmission started slipping between 40mph and
the 1999 tahoe is known to have transmission problems, you are most likely having thrid gear slip, really all you can do is have the transmission rebuilt or install a used good one.
SOURCE: 1988 chevy c1500 problem with second gear
be 1988 and Im sure it has high miles, sound like worn transmission, transmission flush and replace it with new fluid might help some. get use tranny from a junk yard better and cost lot less than rebuilt. being GM mechanic for many years i see transmission on a truck with 100k tend to have leaks or need rebuilding. again i see some have better luck but rear.
SOURCE: My mom's 1996 Tahoe 4x4 suddenly lost overdrive
DOn't drive it any more until you can get it to the transmission shop.those gear or a pressure regulator has gone out
SOURCE: I have a 1995 chev.
Ok if you have 1st and second gear and it shifts to neutral instaed of 3rd , that means the 3-4 clutches are burned up.This is common problem with the 4L60E transmission and the transmissionwill need to be removed and rebuilt ot repaired.The 3-4 clutches are the weak point in the trans and i usually use a z-pack when rebuilding them.It increases hold capacity and durability.
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