Question about 1996 GMC Sierra

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4-speed auto trans wont shift into 2nd gear or overdrive

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Sounds like you've lost one of the bands, more than likely the overdirve band. It's the weakest part of the trans and does most of the work if you're normaly a highway driver. Could also be a clutch pack or sprag, but since you have 2 forward gears I would shy away from either of those failures. I would suggest removal and inspection. Do not drive it any more, as if it is the overdrive band, the only thing you're doing is tearing up the internals of the case by driving it. This will eventualy make the transmission core unrebuildable.

Posted on Dec 10, 2009

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Posted on Jan 02, 2017

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1 Answer

94 isuzu rodeo wont shift outta 2nd gear


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so reverse works, 1 gear, then 2nd , but not 3rd.
some have a TCM that does the auto shifts.
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I have a 95 silverado c1500 with 4l60e trans and it wont go into overdrive


overdrive is the fourth gear.D1,D2,D3,D4 now drive truck at 80 kmh
cruise at steady speed no fuel pedal movement, downshift from D4 to D3 you should feel RPM raise .. after push brake pedal a little you should see RPM raise 300 to 400 rpm.
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Is it ok to start off in 2nd gear and manually shift up to 3rd and then overdrive?


You can put the shifter in 2, 3, or overdrive. It will still start in first and shift up to whatever gear you have selected. Try it, you wont damage anythingl

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Overdrive


Probably a shift solinoid in the gear box. My commodore has 2 (1st & 2nd) & (3rd & 4th) my 3 / 4 solinoid went so went 1st 2nd 3rd but not to 4th until I replaced it.

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Is your code reader capable of reading U, C, and B codes? The speedometer doesn't get it's speed reading from the wheel sensors. It gets it from the transmission. Not shifting past 2nd gear means your transmission is in "limp in" mode. It prevents shifting to avoid further damage. I see a transmission repair shop in your future.

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I have a 1999 Tiburon. Trans starts off in 2nd gear and goes to 3rd but will not go into overdrive.When starting cold though, it will shift 1,2&3. Also overdrive(4th gear) light will not come on.


I would check into the Trans oil temp sensor,they are known to keep the trans from shifting into 4th gear if they have a open or a shorted circuit...This may also be the culprit for the other issues you are experiencing when the trans is at diff temps and doing diff things....The other thing that is known for going bad in that Transaxle is the Sunshell...The splines on the inside of the sunshell strip out and than you will lose pretty much all forward gears,Except for 1st gear most likely and you will also lose Reverse if the Sunshell goes bad...But this will not act any different if the temperature is cold or hot

Apr 07, 2012 | Hyundai Motor 1999 Tiburon

1 Answer

Van is not shifting out of 2nd gear?


I am going to assume you have the overdrive trans. This trans defualts to second gear if the trans computer detects there is a problem.

This problem can be anything from internal falure to sensors that are bad. You have to scan it for trans codes. It could be a simple input or output speed sensor. that is the easiest. however you have to start with the scan.

Most Advance and Autozone parts stores will scan for free.

Hope this helps and hope it is not internal.

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I have a 1995 GMC Jimmy with auto trans., it wont shift into 2nd gear only shifts into drive when I get up to 2700 RPM and let off the gas and wont shift into overdrive at all. Does anyone know what causes...


Your going to have to get the Jimmy scaned before youhurt the transmission, It sounds like it's on a Limp mode which can range from a tune up to a bad ground. Good luck.

Mar 17, 2009 | 1995 GMC Jimmy

1 Answer

1996 Corolla Auto Transmission problem


Hi. 2005 Corolla CE. It's normal. They tend to do this when upshifting form 1st to 2nd gear. No timing chain readjustment needed.

96 Corolla. Overdrive not working properly, if not engaging after 45mph constantly. If driving on the city, is normal, but not after 45mph, when the car is trying to engage overdrive in order to save gas and preserve the trans gears. If not able to get help at the dealership, find another one and explain them the situation.

Aug 01, 2008 | 2005 Toyota Corolla

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