My car wont shift gears if the panel guages dont ingage

you need 1 and 2 shift solenoid and the overdrive shift solenoid

should be a p/n safety switch in the steering colom could be loose or shifter is not engaging it

Hi there:
Sound like the valves in the valve body are jammed or there is major damage to the gear sets which will not allow second gear to engage.


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The shifter cable is adjustable in the column. Remove the column covers and see if you can adjust the cable. You problem is with the cable.

I HAD A BLAZER WITH THE SAME SYMPTOMS REPLACED THE TRANSFER CASE MOTOR AND SOLVED PROBLEM. TRANSFER CASE MOTOR SHIFTS FROM HIGH TO LOW GEAR IN THE TRANSFER CASE AND TELLS THE FRONT ACTUATORS TO INGAGE FRONT HUBS . MOTOR WON'T MOVE TO 4 HIGH AND GRINDS WHEN TRYING TO MOVE TO 4 LOW, TRANSFER CASE MOTOR FAILING . CHECK VACUUM LINES AND ACTUATORS ON FRONT DIFF THEY FAIL, CAN CHANGE TO CABLE ENGAGEMENT INSTEAD OF FAILURE PRONE VACUUM ACTUATORS.

I had the same problem after my car went into a transmission shop for some service. This might be the solution, it was with my car. Check the transmission shift cable. When mine finally failed, it was filled with rust.
You may be able to simply lubricate it somehow with something like WD40, but I'm not sure if it would work. If all else fails, you can have the shift cable replaced, which is what I had to do with my car after driving it for 2 years with that problem. By then I had worn out and warped the shifter and had to replace that too, as well as drive it around for a week without being able to get the transmission into park.
Good luck! If you have to take it to a shop, just tell them that your shift cable is going bad and you want them to make sure.

When the car is just cruising along at approx.50+ MPH push the O/D button. You should feel the gears change higher and if you have an RPM guage then it should drop as well to fewer RPMs. This would be normal driving conditions. O/D will not kick in until the last regular gear (3rd or 4th depending on model)  had been shifted into. O/D automatically kicks out when slowing down and the transmission shifts to a lower gear. Thus the O/D has no function at slower speeds/gears and does not need to be shifted ( on or off ) except in the very first example given here.

year, make and model of the vehicle in question....?¿?¿?

it actually moves a shift fork onto a spline. try moving fork by hand.

i would check into the vehicle speed sensor and the gear shift lever position sensor