auto wont shift.........
Thread Starter
Intermediate
Joined: Sep 2007
Posts: 29
Likes: 0
From: scotts valley ca
auto wont shift.........
I've searched the forums and havent really found anything on this yet
but i just bought the vette about a week and half ago and have had it not want to shift on me two times the first being when i was leaveing work after not driving it allday it seemed to get into 2 or 3 and just hang there if i let off the gas the RPMS would drop like it was in N so i pulled over for about 20 mins with it off and then it acted like nothing happen but it's been haveing erractic shifts since then I.E ( i can't drive it casual or it shifts hard or holds onto the gear) and then this morning drove to the gas station fine i left it running will i got my coffe cam out went to get on the highway and it shifted into 2 and then just stayed at 5 RPMS so i turned around a babyed it home I drive 70 miles to work so i don't want to get stuck in oakland or in between if i don't have to but i've checked the fluid it reads good on the dipstick smells kinda bad but not sure if it's suppose to with the tranny fluid the car uses any help would be great and sorry so long winded plus my grammer and spelling are not the best
at all i'm a grunt what can i say
1995 coupe automatic 112,000 miles
but i just bought the vette about a week and half ago and have had it not want to shift on me two times the first being when i was leaveing work after not driving it allday it seemed to get into 2 or 3 and just hang there if i let off the gas the RPMS would drop like it was in N so i pulled over for about 20 mins with it off and then it acted like nothing happen but it's been haveing erractic shifts since then I.E ( i can't drive it casual or it shifts hard or holds onto the gear) and then this morning drove to the gas station fine i left it running will i got my coffe cam out went to get on the highway and it shifted into 2 and then just stayed at 5 RPMS so i turned around a babyed it home I drive 70 miles to work so i don't want to get stuck in oakland or in between if i don't have to but i've checked the fluid it reads good on the dipstick smells kinda bad but not sure if it's suppose to with the tranny fluid the car uses any help would be great and sorry so long winded plus my grammer and spelling are not the best
at all i'm a grunt what can i say1995 coupe automatic 112,000 miles
Le Mans Master
Joined: Jan 2006
Posts: 6,564
Likes: 6
From: Woodstock Georgia
The 95 has the 4L60E trans, fully electronic controlled shifting. Meaning there are no external adjustments to be made. Possibly a loose wiring connection and equally possible it just needs a fluid and filter change.
Racer
Joined: Oct 2006
Posts: 337
Likes: 0
I've searched the forums and havent really found anything on this yet
but i just bought the vette about a week and half ago and have had it not want to shift on me two times the first being when i was leaveing work after not driving it allday it seemed to get into 2 or 3 and just hang there if i let off the gas the RPMS would drop like it was in N so i pulled over for about 20 mins with it off and then it acted like nothing happen but it's been haveing erractic shifts since then I.E ( i can't drive it casual or it shifts hard or holds onto the gear) and then this morning drove to the gas station fine i left it running will i got my coffe cam out went to get on the highway and it shifted into 2 and then just stayed at 5 RPMS so i turned around a babyed it home I drive 70 miles to work so i don't want to get stuck in oakland or in between if i don't have to but i've checked the fluid it reads good on the dipstick smells kinda bad but not sure if it's suppose to with the tranny fluid the car uses any help would be great and sorry so long winded plus my grammer and spelling are not the best at all i'm a grunt what can i say
1995 coupe automatic 112,000 miles
but i just bought the vette about a week and half ago and have had it not want to shift on me two times the first being when i was leaveing work after not driving it allday it seemed to get into 2 or 3 and just hang there if i let off the gas the RPMS would drop like it was in N so i pulled over for about 20 mins with it off and then it acted like nothing happen but it's been haveing erractic shifts since then I.E ( i can't drive it casual or it shifts hard or holds onto the gear) and then this morning drove to the gas station fine i left it running will i got my coffe cam out went to get on the highway and it shifted into 2 and then just stayed at 5 RPMS so i turned around a babyed it home I drive 70 miles to work so i don't want to get stuck in oakland or in between if i don't have to but i've checked the fluid it reads good on the dipstick smells kinda bad but not sure if it's suppose to with the tranny fluid the car uses any help would be great and sorry so long winded plus my grammer and spelling are not the best
at all i'm a grunt what can i say1995 coupe automatic 112,000 miles
I have the same problem with my car too it does the exact samething you described...I also put a new tps on my car, and had the tranny checked no problems, and I put new tranny fluid and filter in it and it still does the same thing I cant seem to pin point it either
I know how you feel the car has a mind of its own it does the shift thing when it wants to, and other times it dont shift until like 5k rpms 110k miles here
Le Mans Master
Joined: Jan 2006
Posts: 6,564
Likes: 6
From: Woodstock Georgia
Do a search for threads by PeteK, our on line auto trans expert. Pete is a great guy and has helped a lot of people on this forum. He can give you some good advice, even how to 'harden' it, if a rebuild is necessary, to prevent future failures and maybe save you some money.
Le Mans Master
Joined: May 2005
Posts: 5,214
Likes: 65
From: Queensland, AUSTRALIA
Its not a Corvette specific item, its the Throttle Position Sensor. Tells the PCM where youve got your foot, which is part of how the PCM knows when to shift and what gear to select.
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Le Mans Master
Joined: Jul 2004
Posts: 9,835
Likes: 0
From: In front of C6s.
St: Jude Donor '10
I've searched the forums and havent really found anything on this yet
but i just bought the vette about a week and half ago and have had it not want to shift on me two times the first being when i was leaveing work after not driving it allday it seemed to get into 2 or 3 and just hang there if i let off the gas the RPMS would drop like it was in N so i pulled over for about 20 mins with it off and then it acted like nothing happen but it's been haveing erractic shifts since then I.E ( i can't drive it casual or it shifts hard or holds onto the gear) and then this morning drove to the gas station fine i left it running will i got my coffe cam out went to get on the highway and it shifted into 2 and then just stayed at 5 RPMS so i turned around a babyed it home I drive 70 miles to work so i don't want to get stuck in oakland or in between if i don't have to but i've checked the fluid it reads good on the dipstick smells kinda bad but not sure if it's suppose to with the tranny fluid the car uses any help would be great and sorry so long winded plus my grammer and spelling are not the best at all i'm a grunt what can i say
1995 coupe automatic 112,000 miles
but i just bought the vette about a week and half ago and have had it not want to shift on me two times the first being when i was leaveing work after not driving it allday it seemed to get into 2 or 3 and just hang there if i let off the gas the RPMS would drop like it was in N so i pulled over for about 20 mins with it off and then it acted like nothing happen but it's been haveing erractic shifts since then I.E ( i can't drive it casual or it shifts hard or holds onto the gear) and then this morning drove to the gas station fine i left it running will i got my coffe cam out went to get on the highway and it shifted into 2 and then just stayed at 5 RPMS so i turned around a babyed it home I drive 70 miles to work so i don't want to get stuck in oakland or in between if i don't have to but i've checked the fluid it reads good on the dipstick smells kinda bad but not sure if it's suppose to with the tranny fluid the car uses any help would be great and sorry so long winded plus my grammer and spelling are not the best
at all i'm a grunt what can i say1995 coupe automatic 112,000 miles
I had edcmat, supporting forum vendor, rebuild my transmission. Much better hard parts, bigger stall, etc. It rips shifts so much better than the stock trans ever did.
Have it checked out, it may be something minor or you may need a rebuild.
Thread Starter
Intermediate
Joined: Sep 2007
Posts: 29
Likes: 0
From: scotts valley ca
they start this monday on tearing it down 3 thrd gear was gone and the rest of the tranny was pretty mangled i guess someone drove it hard and never did any service to it i'm going down there monday and try and get some pics of the carnage
Le Mans Master
Joined: Jul 2004
Posts: 9,835
Likes: 0
From: In front of C6s.
St: Jude Donor '10
I drove mine hard but also had a trans cooler, flushed the fluid and used good fluid, and I still had to rebuild mine. It's just a matter of time.
But, anything is possible...wish cars could tell us what their previous owners don't...
Le Mans Master
Joined: May 2005
Posts: 5,214
Likes: 65
From: Queensland, AUSTRALIA
Not necessarily. The stock auto trans is pretty weak. A lot of them let go at the mileage you have. The 3-4 gears are usually the first to go, so I'm not surprised to read that about yours.
I drove mine hard but also had a trans cooler, flushed the fluid and used good fluid, and I still had to rebuild mine. It's just a matter of time.
But, anything is possible...wish cars could tell us what their previous owners don't...
I drove mine hard but also had a trans cooler, flushed the fluid and used good fluid, and I still had to rebuild mine. It's just a matter of time.
But, anything is possible...wish cars could tell us what their previous owners don't...
Le Mans Master
Joined: Jul 2004
Posts: 9,835
Likes: 0
From: In front of C6s.
St: Jude Donor '10
Again, the stock auto trans is not bulletproof. Like I said, in talking to my area's best corvette mechanic, he said that they typically last from 75K to 125K miles. If the service is followed religiously, you may get the better end of it, but it is still a weak transmission and it will still end up letting go sooner or later.
I had mine rebuilt at 97K miles when it started slipping, but it was still running and getting into gear. I chose not to wait until it wouldn't run or get into gear at all. I also race my vette and wanted something stronger.
Having a rebuild with better internals is really the way to go...
Instructor
Joined: Mar 2005
Posts: 174
Likes: 3
From: Yorba Linda CA
Pete K is the Man on transmissions. Here is a link with some info http://forums.corvetteforum.com/show...light=upgrades
You might want to use the Search function and do an advanced search of Pete K's posts.
- 1/325 vet
You might want to use the Search function and do an advanced search of Pete K's posts.
- 1/325 vet
Thread Starter
Intermediate
Joined: Sep 2007
Posts: 29
Likes: 0
From: scotts valley ca
Well i got my car back yesterday and let me tell ya it's like driving a different car i actually have to be cautious leaving stoplights i'm glad i went ahead and had the tranny rebuilit now i gotta fig out why she stumples off the line sometimes maybe a tune-up is in order
Le Mans Master
Joined: Jul 2004
Posts: 9,835
Likes: 0
From: In front of C6s.
St: Jude Donor '10
Well i got my car back yesterday and let me tell ya it's like driving a different car i actually have to be cautious leaving stoplights i'm glad i went ahead and had the tranny rebuilit now i gotta fig out why she stumples off the line sometimes maybe a tune-up is in order
I had the car tuned with the new trans immediately after its install by the same guy. He is a full service shop, and he did a wonderful job. Tightened the shift points and it runs great.
