Take your car somewhere else. Their are tutorials on here on rebuilding the 4t65 without removal. If a backyard mechanic can do that, your guy is is questionable in my opinion. It's in a billion GM cars so you should be able to find a transmission shop that has rebuilt them before. June Here in the...

Is there an alternative transmission to the 4T65, from GM, which can be fitted to an XC90 T6 AWD (MY)2005? My local transmission specialist took one look at what was on the car and said “I’ve only ever rebuilt one of these before and I said I’d never rebuild one of them again and I’m sorry to tell y...