Question about 1995 Buick Century

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Transmission wont shift into overdrive and speed od and cruise went out at tha same time

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Check all fuses and relays

Posted on Nov 16, 2013

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SOURCE: 1995 buick century transmission trouble

Most likely causes is the OD shift solenoid or less likely the VSS

Posted on Oct 29, 2008

Molson02536
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SOURCE: fixed check engine trouble code but light with same code comes on

Your transmission problem could be related to the TPS sensor. The TPS sensor indicated to the PCM when and what gear the transmission should be in. As for the Lucas and other additives to the transmission may be doing it more harm then good, As the transmission oil is thicker, the transmission line pressure increases. The PCM try's to compensate for that by letting the converter lock up clutch to slip and the fluid retention in the solenoid to change gears stick causing it to shudder between gear shifts. Recap, Check the TPS sensor readings and the Wire Harness. Look for loose connections and corrosion that may not be giving the proper readings to the ECM. Rescan the car for any DTC codes and most transmission chop can do that for you if your going to get it serviced there anyways. Have the transmission fluid flushed and filter changed, and have them do a transmission line pressure checked, there are additives out there to keep the fluid from foaming which is ok, but changing the fluid's weigh can cause transmission failure. Good luck and hope this helps and keep me posted, be glad to help.

Posted on Jun 14, 2009

  • 1810 Answers

SOURCE: transmission will not shift into overdrive and

time 4 a mechanic aamco time

Posted on Jul 29, 2009

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1 Answer

It wont shift into overdrive the transmission has pressure I changed to fluids when I go to pass it wont shift into overdrive


strange as it may sound, transmissions do not shift into overdrive to pass
they down shift a ratio to get extra torque from the motor and will stay down shifted until the vacuum actuator shifts it back and only then when the VSS reports to the TCM that a ratio change up is needed will the overdrive click in
If you cannot get OD under any circumstances run the fault codes and check for a problem overdrive servo/ solenoid , TCM unit

Apr 24, 2016 | 2007 Dodge Ram Truck

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Auto trans not shifting into OD


There's a module on side of tranny get repair manual and it will tell u were at but sends signal to tranny to shift they go bad and need replaced easy fix

Feb 21, 2013 | 1993 Isuzu Rodeo

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1996 honda accord wont shift into overdrive


For Automatic transmission problem,click the link below:----Overdrive light in the dash blinks? http://repairhelpcenter.blogspot.com/2012/01/overdrive-light-in-dash-blinks.html
--------- Automatic transmission troubleshooting:----

http://howtobyme.blogspot.com/2011/11/automatic-transmission-will-not-go-into.html

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Automatic transmission shift lever issues?-------

http://technoanswers.blogspot.com/2012/01/automatic-transmission-shift-lever-hard.html

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AUTOMATIC TRANSMISSION FLUID LEVEL? --

http://schematicsdiagram.blogspot.com/2011/07/how-to-check-automatic-transmission.html

--------------

AUTOMATIC TRANSMISSION FLUID AND FILTER?

http://schematicsdiagram.blogspot.com/2011/07/how-to-change-automatic-transmission.html

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Transmission fault light on car dash?

http://schematicsdiagram.blogspot.com/2011/12/transmission-fault-light-on-car-dash.html

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Transmission shifting problem?

http://schematicsdiagram.blogspot.com/2012/01/transmission-shifting-problem-on-toyota.html

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Transmission Slips out of 2nd gear?

http://repairhelpcenter.blogspot.in/2012/02/transmission-slips-out-of-2nd-gear.html

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OD light flashing and transmission fluid leaking?

http://repairhelpcenter.blogspot.in/2012/02/od-light-flashing-and-transmission.html

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Why Transmission fluid leaks near radiator?

http://repairhelpcenter.blogspot.in/2012/02/transmission-fluid-leaks-near-radiator.html

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http://technoanswers.blogspot.in/2012/02/ford-windstar-transmission-fluid.html

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****** wont go in reverse?

http://technoanswers.blogspot.in/2012/02/dodge-neon-wont-go-in-reverse.html

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Automatic transmission will not go into reverse?

http://technoanswers.blogspot.in/2012/02/dodge-automatic-transmission-will-not.html

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Transmission is making buzzing noise?

http://technoanswers.blogspot.in/2012/02/transmission-is-making-buzzing-noise.html

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This will help.

Thanks.

Mar 04, 2012 | 1996 Honda Accord

2 Answers

What does it mean when the O/D off come on


This is the "overdrive" on or off indicator light. When it says "OD off", means that overdrive is off and transmission is in 3rd gear. When it's "on" then transmission will shift into 4th gear or "Overdrive". The engine will turn slower using less fuel for better economy.

Feb 02, 2011 | 1991 Toyota Corolla

1 Answer

Theres a button on the automatic stick what is it


That may be your overdrive button, try cruising at a steady safe speed and depress the button, you will feel a shifting motion on transmission and OD light may come ON on dashboard, this shifts your tranny to a lower gear when more power is needed without pressing gas pedal so hard that passing gear kicks in.

Feb 06, 2010 | 1996 Pontiac Grand Am

2 Answers

1989 ford ranger- "D" vs overdrive


Overdrive is designed for highway use, to lower the engine's rpm's and conserve fuel. It will not hurt your vehicle to drive it in drive in the city.

May 28, 2009 | 1989 Ford Ranger

1 Answer

1984 caprice transmission wont shift into 3rd or overdrive


you car probably has the 700 r4 transmission they are famous for this kind of failure, time for a transmission rebuild........

Oct 24, 2008 | 1984 Chevrolet Caprice

4 Answers

1998 Ford Explorer


there is an sensor on the speed odmeter cable on the side of transmission. it will kill thr overdrive and cruise control but not the speedometer. about $50.fixed 2 explorers that way

Jul 09, 2008 | 1998 Ford Explorer

2 Answers

Volvo 240 GL Transmission


You have an overdrive relay issue. The tansmission is really a four-speed box, but the OD selector either locks our fourth gear or allows the car to shift normally into fourth. I use the OD on my volvo all the time, because the revs drop in half when the OD is activated, The relay is located behind the glove box, toward the center console. $10 buck on Ebay and your transmission should shift correctly again. I would try that BEFORE more expensive fixes, like OD solenoid $200 or transmission control module. Just for kicks a picked up a spare ECU on Ebay for $10 because these get costly if and when they go. Easy fix, though, a couple of plugs.

Jun 12, 2008 | 1989 Volvo 240

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