Cardan and rear axle of the car BMW 3 Series E21

Detailed technical specifications
Cardan transmission The cardan transmission consists of two tubular shafts with an intermediate support attached to the bottom of the body, mounted on a ball...

Cardan shaft and rear wheel drive parts
Cardan shaft and rear wheel drive parts: 1 - cardan transmission of cars with manual transmission; 2 - cardan transmission of cars with automatic transmission;...

Rear axle parts
Rear axle details: A - until August 1979.; B - since August 1979. 1 — rear axle housing; 2 - gasket; 3 - back cover; 4 - swinging support for mounting the rear...

Limited slip differential parts
Parts of the limited slip differential: A - with a blocking coefficient of 40%; B - with a blocking coefficient of 25%; From - until August 1978.; D — since...

Removal and installation the propeller shaft
Removal Place the vehicle on a lift or inspection pit. Remove the bracket securing the exhaust pipe to the gearbox. Remove the exhaust pipe. Install the 261012...

Replacing the elastic coupling
Remove the driveshaft and disconnect the flexible coupling from the front driveshaft. Replacing the centering sleeve Place grease into the new centering...

Replacing the intermediate support
Removal Apply paint marks to indicate the relative positions of the front and rear shafts so that they are connected in the same position during assembly and...

Removal and installation the wheel drive shaft
Removal Raise the rear of the vehicle and remove the Allen key bolts securing the wheel drive to the differential output shaft flange and to the wheel hub....

Removal and installation the rear axle
Raise the car. Drain the oil from the rear axle housing. Disconnect the rear propeller shaft from the final drive pinion flange. Disconnect the wheel drive...

Replacing the main gear pinion seals
Removal Remove the rear axle, drain the oil from the crankcase and install the axle on a repair stand. Depending on the version, remove the locking plate...

Removal and installation differential output shafts
Cars up to and including model year 1978 (with four-bolt differential bearing cap fastening). Removal Remove the rear axle and drain the oil from the...

Disassembling the rear axle
Remove the rear axle and drain the oil from the crankcase. Remove the differential output shafts ( see above ). Place alignment marks on the differential...

Rear axle assembly
Adjusting the distance between the end of the drive gear and the differential axle The driving and driven gears of the main transmission are matched to each...

Disassembling a limited-slip differential
Loosen the eight differential case cover mounting bolts, remove the cover and take out the disc and thrust washers. Turn the differential case over and remove...

Assembly of a limited slip differential
Apply grease such as Molycote G or LM 48 to all rubbing surfaces of the differential parts. Insert the disc and thrust washers into the differential box,...