1993 Buick Century starter

No the battery plenty strong, but trying to restart the engine begins to wear it down, so as I mentioned before I let the ignition sit in the position just before the full turn over position for a full five minutes and it will then turn over.

Thank you for your reply. I did take it to a mechanic, and of course it worked fine because it was cool. It only happens once the engine is warmed up and has been turned off only for a short time, and the weather is warmer. The starter and the battery are both plenty powerful, but whatever is required to spark the starter is not happening. Does the bench have something to do with cooling the starter?

Does the starter motor bench have something to do with recooling the starter?

I have a 94 DeVille and have the same problem. The starter works fine when its cold but drive it for 8-10 miles and stop to get gas and it doesn't want to turn the engine over. It makes a arrh sound for a split second then stops and makes the arrh sound again like its trying to turn over the engine and if the engine is not too hot it will then start up. I have a good battery and have checked the battery cables and wire from starter to ignition and everything appears fine so it must be heat related. If you took your car to a mechanic and had a starter bench test take it back to the mechanic with a hot engine and the starter still on the car and let him "experience" the problem. Maybe then he can diagnose and correct the problem and then tell me what he found out and did as I am retired and don't have the money to pay mechanics.

I don't have a volt meter but it appears the starter an/or solenoid is getting power as it ahh's and try's to start then it ahh's some more and then it cranks up and this only when the engine is hot. Otherwise when its cold it cranks up fine. About two years ago I had the starter rebuilt with new solenoid and it did not stop the problem.

Put a new AC-Delco battery in about 14 months ago and the battery prior to that one lasted 5 years so that rules out battery drainage. Have make it a habit to leave the car running when stopping for a short trip in a fast-food store but when you stop for gas you have to shut the engine off. But after it goes arrrh a couple of times it starts up so I haven't checked to see if the battery or cables are getting hot. Today I noticed the positive battery cable at the starter is grayish looking corroded but not bad where the cable attaches to the ring wire before the terminal and was wondering if when the engine heats up and the cable heats up also will this corrosion cause the current not to flow properly? I can't clean where its corroded under and around the clamp at the cable end at the starter but will buy a new batter cable ring end/clamp if that could be the problem?
I appreciate your effort to help me resolve this problem. Its done this since I got the car about 6-7 years ago. Then it wasn't as bad as it is now. Then I could drive 20 miles to the beach and it would start okay except if I was parked on a nose up incline. That's when it seemed to happen the most and I originally thought it must be binding somewhere but that doesn't appear to be the case now.

The battery is fine, nearly new, but trying to restart the car is very wearing on both the starter and the battery. The problem just about has to do with heat as it only occurs during warm temperatures, above 40 degrees.

Your problem sounds very similar to mine. I'll let you know what I find out.

No problems are noted with the battery