About all you can do is look the exterior over and make sure there is no damage. You can also smell the Transmission Fluid. If it smells burnt or otherwise has a very foul odor, leave that transmission alone. If the transmission looks good, fluid is clean with no foul odor, and comes out of a car with low mileage, it is more than likely good. Try to know the mileage of the vehicle the transmission is removed from and how severe the accident was. Also make sure they salvage yard gives you a warranty. It is always a gamble buying a used tranny, but the savings can be good. Check prices before buying used. Sometimes you are better off buying rebuilt or new.
Many have writing on them with a paint stick or grease pencil to identify the yard it is from.
It should tell you right on the transmission dipstick.
Your owners manual will tell you.
Check the dipstick, it will tell what fluid to use in that automatic transmission.
It will be a 4L60E if it's an automatic.
Do a VIN search and the VIN will tell you the original options.
If that is an automatic transmission, pull the dipstick and read it, it will tell what fluid to use.
it is a Nissan transmission,but i cant tell you exact model number It's an A4LD transmission.
Bad fuel pump will cause the engine to stall or not start at all. A bad automatic transmission will cause the vehicle to jerk and not run smoothly.
If the transmission is the original in the vehicle, then the factory id tag will have codes to tell which transmission was installed. Depending on the year and type of the transmission, there will be a tag or stamp on the transmission to indicate the model.
Assuming this is an automatic transmission, pull the dipstick out and read it, it will tell you the proper ATF to use.
Remove the dipstick from the automatic transmission dipstick tube and read it. It will tell you what type of ATF to use.