A driveshaft is in charge of transferring engine electricity from the tranny to the differential and onto the travel wheels. A driveshaft could be one or two pieces with a centre support bearing in the middle. There are universal joints at either end of the driveshaft which act as flex joints that allow the differential to go upward when the automobile contacts a bump. A front driveshaft yoke is used to connect to the transmitting while a back driveshaft flange is used to connect to the differential. On more aged models the rear U joint bolts directly to the differential without utilizing a rear flange. On front side wheel drive cars there are two travel shafts which are named CV axles.
Driveshaft themselves have hardly any issues with the exception to become bent if they are exposed to an obstruction. Alternatively the U joints can cause concerns which are part of the driveshaft such as for example chirping and clucking when the automobile is moving or placed into gear.
Something you need to understand that might not be considered is when a driveshaft is removed the car will no longer maintain park. The car will roll because the link between your drive wheels and transmission is eliminated. You need to raise the car up using a flooring jack and jackstays. Use protective eyewear and gloves before starting.
Tag the driveshaft orientation before you begin. This will help gain the driveshaft to its first job on the differential that may support avoid driveline vibrations once the driveshaft is reinstalled.
Utilizing a plastic hammer smoothly shock the driveshaft loose out of the differential flange by striking the rear yoke (U joint attach). At this stage the back 50 percent of the shaft will end up being free so hang onto it. On some automobiles you will have a center support which must be undone by taking away the two centre support installation bolts. When removing a mature vehicle drive shaft make use of electric tape to wrap around the u joint cups so they don’t fall off and relieve the glass needle bearings.
On front wheel drive cars the driveshaft is not used. The transmitting and differential is blended into one device 
called a transaxle.
All shafts are reassembled with fresh universal joints and CV centering kits with grease fittings and so are then completely greased with the correct Front Drive Shaft lubricant. All shafts will be straightened and computer balanced and tested to closer tolerances than OEM specs.
The drive shaft is the part on the lower right side of the picture. The additional end of it might be connected to the transmission.