Theres a tool that will engage the clip on the back side of the crank, you can find the tool at most auto parts stores.
To remove the manual window crank on an International 7400, first, locate the retaining clip or screw that holds the crank in place. If there is a clip, use a flathead screwdriver to gently pry it off; if it's a screw, use the appropriate screwdriver to remove it. Once the clip or screw is removed, simply pull the crank off the window regulator shaft. Be cautious not to damage the door panel during the process.
To replace a manual window crank and motor, first, remove the door panel by unscrewing any fasteners and gently prying it off. Disconnect the old window motor by unplugging the wiring harness and unscrewing it from its mount. Install the new motor by securing it in place, reconnecting the wiring harness, and then replace the manual window crank if necessary. Finally, reattach the door panel, ensuring everything is secured properly.
with a window crank removal tool.
In almost all makes of car you have to replace the window regulator. That's the entire mechanism that holds the window and raises and lowers it.
To swap a manual crank car window for an electric window motor, first, remove the door panel to access the window mechanism. Disconnect the manual crank and carefully remove the window regulator. Install the electric window motor and regulator assembly in the door, ensuring it's securely fastened and connected to the power supply. Finally, reattach the door panel and test the electric window for proper operation.
They sell a window crank removal tool to open the cotter in and slide off the winow crank handle. Slide the tool under the window handle and push the cotter pin back, off comes the handle
Your local auto parts store can sell you an inexpensive tool (under $10) that will do the job.
If it's a true z34 90-94 there is no window crank they ALL had power windows.....
There is a c-clipthat holds the crank in place,you just need to push it off and the crank comes off.
should be an Allen head or torx screw in the center of the crank.
behind the window crank handle, there is a horseshoe shaped pin, pop that pin off and the crank handle should pull right off.
behind the window crank handle, there is a horseshoe shaped pin, pop that pin off and the crank handle should pull right off.