Installing a 2002 Blazer 4L60E into an old jeep. Bought an advance adapters kit and tried to install using the manual. The kit requires replacing the output shaft (which fit perfect) but when I installed the input shaft and drum it didn't seem to bottom out. Here comes the oops, I used the pump to try and push it in (not my most brilliant move) now I can't get the input shaft back out. Any ideas?