Question about 1992 GMC Safari

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I have a 1992 gmc safari and the transmission wont shift into 2nd unless you manualy shift it and then wont shift into 3rd

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  • Psychs Jan 24, 2009

    I have the same problem in my 1999 GMC Safari RWD won't go over 30km/hr. unless I put the gear shifter down to low 2, then it will do about 60-70km/hr

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  • 34 Answers

Check the transmission pan for filings, clean out. Refill your transmission fluid. If this doesn't solve it, the gears have been ground down to far for a cheap repair.

If you're doing 60-70 in 2nd Low, your tranny is probably already shot.

Posted on Apr 30, 2009

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Posted on Jan 02, 2017

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1 Answer

I have a 1992 GMC Sierra 4wd single cab, is there a wire that needs to be plugged into intake in order for vehicle to shift into 2nd and 3rd gear?


Not a wire. Your transmission shift cable may be disconnected from the throttle. Or if you have a vacuum modulator the vacuum tube may be disconnected. Check your fluid level.

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Transmission wont go into 3rd change from 1st to 2nd wont change to 3rd what maybe the probtem


Dirty Valve Body & valves sticking

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Transmision starts out in 1st shifts to 2nd then third but will not shift into overdrive , but once it reaches 3rd gear ,it stays there when you come to a stop . after that it will only shift manually...


Sounds like your transmission is in limp mode. This is a fault mode in which the transmission either loses electrical power or the PCM deactivates all of the electronics. The transmission will default to max line pressure. The driver will have Reverse and 3rd, with manual 2nd available by putting the gearshift in 2 or 1 (doesn't matter). 1st, 4th, and TCC lockup will not be available. It will not hurt the car to drive it like this for short periods, but use manual 2nd to get the car moving, and be aware that the trans will generate more heat than normal while operating in limp-home mode due to increased torque converter slippage during 2nd gear starts and no lockup in 3rd gear.

The other from what you described, trans shifts 2nd to 3rd by itself in D or OD and locks the converter : ShiftA solenoid failed. Easy fix in the pan. Or a wiring problem from PCM to trans.. or PCM.

Thank you for using fixya and have your Safari scanned for the DTC codes that would indicate what issues your transmission is having to put you in to limp mode.

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3RD & 4th shift solenoid is bad inside the transmission

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92 chevy s10 4x4 4.3L manual transmission no 3rd gear


Hi:

Your transmission has 3 shift rails...
1st - 2nd
3rd -4th
5th- Reverse

If your 3rd gear doesn't work , you have an internal transmission problem, such as a syncronizer, or similar fail... There is not much you can fix, without removeing the transmission.

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Wow, never heard oof this happening. Yes on the sensors , reverse lights, neutral safety switch, and shift speed . Good luck.

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1 Answer

Transmission stays in 2nd gear when i stop 1997 gmc safari


what that means is that you have a solenoid in the transmission that is either sticking or is no longer any good. you don't have to replace the wholetransmission but need a replacement solenoid/and or pump.

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