on my 1989 Toyota camry do I need a tool to pull the pulley off the crankshaft can i make a crude 1

I answered in the other one. But yes you could try. I've made some before. Read my other answer then this will make sense. With a custom puller it's hard to make the end swivel. Since you need to push on the crank to pull the pulley off the leaverage bolt will need to rotate to advance the puller, this adds pressure to the end of the crank while turning and you can damage it. There is one way. Pull the main bolt out and measure the thread engagement, they are usually long. If there is a good inch we could do it maybe. You'll need 3/16" angle iron, two bolts that will thread into your pulley. and one larger bolt w/ flat washer and nut. Drill holes for the two smaller bolts to line up with the puller holes on the pulley. Drill a large hole in the center for the large bolt. With the smaller bolts threaded in all the way, put the large bolt through the hole with the washer against the angle. Install the nut against the washer between the angle and crank bolt. Tighten the nut untill the large bolt touches the crank bolt (crank bolt loose but threaded all the way in. Slowly turn the crank bolt out while rotating your large puller nut on the washer. This should pull your pulley. If it doesn't pop off thread the crank bolt back in and advance your large bolt for another pull. This way you won't damage the threads in the crank. If there isn't at least 3/4" of thread engagement on the crank bolt I would not attempt this. Wow lot of typing. I think my puller was $40 bucks.