News: 1986 corvette overdrive not working

the four speed manual works fine its the overdrive thats not working. © 2020 CarGurus, Inc., All Rights Reserved. [])), +((!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+[])+(!+[]+(!![])+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]-(!![]))+(!+[]+(!![])+!![]+!![])+(+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]))/+((!+[]+(!![])+!![]+!![]+[])+(!+[]+(!![])+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![])+(+!!

Official C4 Vette Registry content is Copyright 2001-2019, Vette Registries, LLC. Asked by Charles1958 Oct 10, 2015 at 02:51 PM about the 1986 Chevrolet Corvette. I need help!,I'm an o …

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1984 Corvette with 4/3 transmission. i like to have everthing working.

its like new i almost rplaced everything.

The 4+3 is a standard transmission(4 speed) with a two speed(direct drive & overdrive) trans bolted to the rear of it.

The switch should light up a light in the dash, I think. [])). [])), +((!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+[])+(+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![])+(!+[]-(!![]))+(!+[]+(!![])+!![]+!![])+(!+[]+(!![])-[])+(!+[]+(!![])+!![]+!![])+(!+[]+(!![])+!![]))/+((+!![]+[])+(+!![])+(!+[]+(!![])+!![]+!![])+(!+[]+(!![])+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![])+(!+[]+(!![])-[])+(!+[]-(!![]))+(!+[]+(!![])+!![]+!! I have an 84 with a functioning OD. Vette Registries, LLC is responsible for all site content (except for member submitted content or where otherwise noted) and does not claim or imply that Chevrolet or GM is responsible for Official C4 Vette Registry content. Just randomly in gaged .......anyone ???? [])), +((!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+!![]+[])+(!+[]+(!![])+!![]+!![])+(+!![])+(!+[]-(!![]))+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(+!![]))/+((!+[]+(!![])+!![]+[])+(!+[]+(!![])+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![])+(+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])-[])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!! [])), +((!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+!![]+[])+(!+[]+(!![])+!![]+!![])+(+!![])+(!+[]-(!![]))+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(+!![]))/+((!+[]+(!![])+!![]+!![]+[])+(!+[]-(!![]))+(!+[]-(!![]))+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![])+(!+[]-(!![]))+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])-[])+(!+[]+(!![])+!![])+(!+[]+(!![])+!![]+!![]+!![]+!! After you've diagnosed the harness, sensors and mechaincal systems as working correctly, the ECM is the only thing it can be. The only thing I have done is spray some WD40 on the accelerator cable. Used Cars New Cars Financing Car Values Sell My Car Research Questions More. work for a 1/2 a day and then stop working for weeks.. Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. I replaced the thermostat, fuel injectors, IAC.

I was driving my vette last night while listening to music and all of the sudden my headlights and radio shut off.

To learn more about the 1986 Corvette, click here. Overdrive not working. I have a 1986 Vette, all of a sudden it revs very high and won't go down any. i do not understand how it works. The last time it went in I don't think I even pushed the button? http://www.corvetteactioncenter.com/tech/knowledgebase/category/c4-corvettes/clutch-and-transmission/. I don't think I even pushed the button? Last case I had like this it was for the CCM (equally likely to go bad -not very). Check the Corvette Action Center for service bulletins with information that may help you with your transmission issue: Full throttle will still keep the O/D canceled to a higher speed, tho. Advertise EN. What can the problem be. This process is automatic. 1990 Polo Green Coupe Saddle Interior Chrome ZR-1 Rims https://www.c4vetteregistry.com/member_uploads/14501_14600/14572/image2014329104347r.jpg, Corvette is a registered trademark of the General Motors Corporation(GM) & Chevrolet Motor Division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y 1986 Vette is having a problem all of a sudden when I start it it runs really.high, 2400 rpms. Car will go into overdrive only sometimes... most the time it dos not... mite Anyway, the OD on mine starts to function normally after a short warm up. Does anyone know any shop/how to rebuild the Doug Nash 4+3 transmission? I've had it over that on the way home when I bought it, but had the od on.. 1986 Chevrolet Corvette 5.7L Overdrive Posted to GM Transmission on 10/18/2010 11 Replies this is my own car. The rocker switch should have the right side down to be activated.

sorry ... first vette not sure what i'm doing with it....lol... haven't been under it completely yet... Any help would be appreciated. Changing/cleaning the filter is an important step for these things.

Can any one help with this???????????

Kewl, I appreciate that.

I agree that the OD filter and fluid should be totally changed. None of the lights and information you guys are talking about seems familiar to me, but would like to be sure so I don't screw nothing up. What exactly is a 4 + 3 transmission? [])), +((!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+[])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![])+(!+[]-(!![]))+(!+[]-(!![]))+(!+[]+(!![])+!![])+(!+[]+(!![])+!![]+!![])+(!+[]+(!![])+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]))/+((!+[]+(!![])+!![]+!![]+[])+(!+[]+(!![])-[])+(!+[]+(!![])+!![])+(+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![])+(!+[]+(!![])+!![])+(!+[]+(!![])+!![]+!!

... My corvette is overheating after replacing the gaskets on the intake manifold and cleaning everything else out. Content may not be reused without written consent. Since I don't have a lift or garage to work on it, I think my local vette guy will get this task and change other fluids as well this late fall or winter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t was a decent idea, and did work well to reduce the emissions, and allow the car to pass the Federal EPA fuel mileage, and emissions requirements. The unit was designed/built by Doug Nash Transmission for the '84-'88 Corvette. Diagnose everything several times to make SURE you're not missing something before spending $$$ on an ECM. this is on a 1984 corvette.

Who knows when, if ever, that was done. I put it all back together and it starts... why does all my interior light stay on when the door are closed?

I have an 84 with the 4+3 and I'm sure the OD doesn't work. Vette Registries, LLC is independent from GM and is not affiliated with, sponsored or supported by GM. I've had my 84 for 11 months and put about 3K on it.

My cruse control does not work full time.When the engine is cold,it works fine.Ten miles down the road,it kicks out and I can't re-start it.I have a 96 chevy Cavalier,2.2 engine. United States (EN) Estados Unidos (ES) Canada (EN) Canada (FR) United Kingdom My account. _____ Joel Adams My Link (click for Texas-sized view!) Note: Since the convertible was a mid year (interim) addition, it's specs are not included in this listing. The more old, nasty fluid you get out, the better. and the light switch is off. Your browser will redirect to your requested content shortly. Please enable Cookies and reload the page. You wouldn't be able to get all of the fluid out like that, nor would you be able to change the filter.

Skip To Content. All Rights Reserved. Repairing the O/D section can run into big $$$$, and parts are starting to get scarce. There's a place in New York that has parts, and that's about it. Hey, just to add a post (my first) the manual on my '85 (chilton) says that even if the OD is locked out but the shift button, it will still automatically shift when you exceed 100 mph., will check it out in another week or so, after I go over the car better..

The '84s had a different system than the later cars. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. [])), +((!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+[])+(!+[]+(!![])+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]-(!![]))+(!+[]+(!![])+!![]+!![])+(+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![])+(+!![]))/+((!+[]+(!![])-[]+[])+(!+[]+(!![])+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![])+(+!![])+(!+[]+(!![])-[])+(!+[]+(!![])+!![]+!![])+(!+[]+(!![])+!![]+!!

I've got some stuff here, but not much. NS, Corvette (Vette) Model Years on this site: 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996. It functions as described by Adams' Apple. Ok, I am the non-mechanical guy in this group. +((!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+[])+(+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![])+(!+[]-(!![]))+(!+[]+(!![])+!![]+!![])+(!+[]+(!![])-[])+(!+[]+(!![])+!![]+!![]+!![])+(!+[]+(!![])+!![]))/+((+!![]+[])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![])+(!+[]-(!![]))+(!+[]+(!![])+!![]+!![]+!![])+(!+[]-(!![]))+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![])+(!+[]-(!![]))+(!+[]+(!![])+!![])+(+!! We use cookies to give you the best possible experience on our website. And it doesn't go down. There should be a panel light lit but it may not come on until the trans warms up (not sure about that). Copyright/trademark/sales mark infringements are not intended, or implied and are in fact used to support GM, Chevrolet and Corvette. Any - Answered by a verified GM Mechanic . this is the 4-3 manual overdrive transmission.

NCRS "Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia" How many things have to go wrong to disable the OD? Allan Brenneis Nashville Tn. The ECM will indeed force a shift into O/D at high speeds like that, to keep the rpms out of the red zone.

Car will go into overdrive only sometimes... most the time it dos not... mite work for a 1/2 a day and then stop working for weeks.. The last time it went in Content will be removed if CarGurus becomes aware that it violates our policies. THANKS. And extremely good answer I might add, Your the man. 379 Great Deals out of 14,530 listings starting at, 563 Great Deals out of 26,028 listings starting at, 535 Great Deals out of 25,874 listings starting at, 146 Great Deals out of 3,440 listings starting at, 2,839 Great Deals out of 143,182 listings starting at, 30 Great Deals out of 831 listings starting at, 13 Great Deals out of 598 listings starting at, 16 Great Deals out of 391 listings starting at, 5 Great Deals out of 113 listings starting at, 18 Great Deals out of 382 listings starting at, 12 Great Deals out of 389 listings starting at.

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