Question about 1993 Chevrolet G30

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Auto trans wont change gears speedometer jumps up and down

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Have you checked the fluid level? if not do so with engine running in park and e brake pulled Also look at the fluid is it brown in color and smell sort of like onions? if it does it needs a filter and oil change. most cars require the filter and oil to be changed every 30,000 miles. Also add Lucas transmission additive so that it will soften the seals and clutches. If you want to do this yourself let me know and I can give you instructions, however it can be messy. the transmission will take 12 quarts of fluid dexron III and the lucas oil conditioner. Write back if you need more help and thanks for using fix ya.

Posted on Sep 07, 2010

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Replaced speed sensor in a 1994 Lebaron. Speedometer still not working. any suggestions?


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I have an automatic transmission. My car switches from 1st gear to second with a thump and then it reeves up to the RPMs get into the red and wont switch into the next gear.


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Ok so I have an 03 Dodge Neon SXT. When you first start driving the trans switches gears but hard but once u slow down nd try to go again the trans wont shift and my speedometer isnt working. Changed the...


Trans output sensor?? speed sensor maybe? Did the speedometer start working? This is where you have to start. Important feature for shifting. This is electrical and checking wires for continuity. If it always goes in gear and drives, I would look hard at replacing the solenoid package. It's on the front side of the transmission. Costs around $300. You have to remove the cooler lines, a sensor, and 3 bolts to remove it. Clean it, around/behind it first. You absolutely do NOT want any dirt getting in the holes on the transmission.

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98 Camry LE V6 Speedometer/Odometer and transmission shifting issue


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Spedomoeter jumps up and down works fine sometimes especially in the morning all other gauges work


The speedometer Gear drive may be going bad. Or it could be if your speedometer is cable driven the cable just needs lubed. On the side of your transmission near the rear you will see a small gear box with wires or a cable. Place a pan under it and remove it from trans. Check gear to see if it is chewed or worn. If not and you have a cable driven speedometer use graphite cable lube on cable. If this don't work it could be in the cruise control or speedometer.

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'93 corolla,4 spd.auto trans.speedometer reads10 mph slow and the transmission shifts real fast.Its in third gear bythe time u hit 30 mph. Also wont downshift at this point either.


well what you want to do is change the trans control solenoid or the trans modulator.i know this car has a trans modulator but im not sure that it has a trans solenoid.either way it's a lot cheaper than changing the trans.hope this info helps. take care and good luck, manny

Apr 10, 2010 | 1993 Toyota Corolla

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Speedometer sensor/cable needs replacing


try looking at the book theres a cable from the transmit ion to the speedometer and it could be a bad connection or theres a gear in you're trans that spins and tells how fast you're going sometime those go out haven't had that problem yet but i built my truck from the ground up

Mar 24, 2009 | 1993 Ford F250

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