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  1. #1

    Car won't shift into OD

    I know that if the car is cold it won't shift as soon as it should until it warms up, but I was driving for about an hour and a half and the damn thing would not shift into overdrive regardless of what I was doing. I was going about 60mph all the way and it would just stay in third. What is wrong with? Has anyone had this happen to them before and about how much is it gonna cost to fix if its something I can't do myself (like rebuild the tranny).
    1999 Red Pontiac Grand Prix GTP- Only mod is a Wizaired Cold Air Intake System with a K&N Filter

  2. #2

    Car won't shift into OD

    Is you engine running at proper temperature? Some guy once told me that if the t-stat isn't right and the engine runs too cold it can cause problems. I don't know if it's true or not just an idea.
    <br />[size=7pt]2003 Impala LS&nbsp; _&nbsp; Series II 3800 _ Completely stock with 5x,xxx miles[/size]<br />Leather and roof, clean as a whistle.<br />http://gmwbody.com

  3. #3

    Car won't shift into OD

    I'm running stock thermostat right now and the temp gauge is where it always is. Heats up as it always has and stays constant. I'm hoping its nothings serious, I really don't want to have to shell out big bucks to fix this damn thing.
    1999 Red Pontiac Grand Prix GTP- Only mod is a Wizaired Cold Air Intake System with a K&amp;N Filter

  4. #4
    Forum Moderator digitaloutsider's Avatar
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    Car won't shift into OD

    My friend's '97 GTP does this too. I'm not sure what it is..
    2006 Nissan Altima SE-R 3.5L 214ci VQ35DE DOHC 60 V6 | 6MT
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    1998 Jeep Grand Cherokee 5.9 Limited 5.9L 360ci Magnum Pushrod 90 V8 | 46RE | NV249
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  5. #5

    Car won't shift into OD

    They are the 4T65-E(lectronic) (or whichever tranny, i dont care)

    Maybe try resetting the computer :?:
    <br />[size=7pt]2003 Impala LS&nbsp; _&nbsp; Series II 3800 _ Completely stock with 5x,xxx miles[/size]<br />Leather and roof, clean as a whistle.<br />http://gmwbody.com

  6. #6
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    Car won't shift into OD

    maybe "dey b wak"

    1988 Oldsmobile Cutlass Supreme International 5-speed - RIP
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  7. #7
    Forum Moderator digitaloutsider's Avatar
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    Car won't shift into OD

    Quote Originally Posted by C-BAD
    They are the 4T65-E(lectronic) (or whichever tranny, i dont care)

    Maybe try resetting the computer :?:
    4T65e-HD, actually 8)
    2006 Nissan Altima SE-R 3.5L 214ci VQ35DE DOHC 60 V6 | 6MT
    Raclingline HFPCs and Y-pipe, NWP VIAS delete, Goodridge SS brake lines, removed airbox snorkel, deburgered.

    1998 Jeep Grand Cherokee 5.9 Limited 5.9L 360ci Magnum Pushrod 90 V8 | 46RE | NV249
    Flowmaster 50 SUV muffler, 180 t-stat, CAI, does sick burnouts.

    1994 Ford Thunderbird SC Supercharged Intercooled 3.8L 231ci Pushrod 90 V6 | M5R2
    180 t-stat, intake, ASP UDPs, 10% S/C pulley.

  8. #8

    Car won't shift into OD

    well a few q's?


    have you checked the fluid ?
    is it red ?
    does it smell burnt?


    when was the last transmission service?

    i guess what i am guessing at is it prolly needs the fluid changed

  9. #9

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    Car won't shift into OD

    look @ your tranny fluid stuff....hopefully its fine.
    2003 Monte Carlo<br />3400 V6<br /><br />For the 1st time in my life I see the car as MUCH more of an appliance than a fun thing.

  10. #10
    1990lumina's Avatar
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    Car won't shift into OD

    My Lumina was doing that when it would "sort of" shift into overdrive but it was running higher rpms then usual. So now I accelrate in Drive and pop it into overdrive when I'm up to speed and it seems to work better. Or sometimes I can get it into overdrive by taking my foot off the gas, it will drop in, then apply the gas again. I'm not sure what my problem is, but that is how I get it togo so far!

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  11. #11
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    Car won't shift into OD

    Heh. Overdrive.
    1997 Ford Probe GTS 1995 Chevrolet Silverado Z71 2006 Pontiac Solstice 1991 3.1 Lumina (no longer owned, see it at its prime here http://www.cardomain.com/memberpage/596470

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