Always wear safety glasses when working on your vehicle. Wear other personal protective equipment (PPE) when necessary, for example latex gloves or closed toe shoes.
Secure the vehicle on a level surface, making sure the vehicle will not roll or lean when jacked up.
Using a jack, lift up the vehicle.
Secure the vehicle with jack stands on both sides for safety before starting any work. The pinch welds or the frame rails are the two best locations. Do not rely on the jack alone to hold the vehicle up while working.
Paint a reference line from the rear end of the driveshaft to the companion flange so that they can be reassembled in the same position maintaining proper driveshaft balance.
Disconnect the rear universal joints by removing the U-Bolts or U-Clamps which hold the rear universal joint to the pinion flange. Wrap tape around the loose bearing caps to prevent them from falling off.
Remove the driveshaft from the transmission by sliding it out.
Inspect the yoke seal in the transmission case extension and replace it if necessary.
Position the new driveshaft and insert the front yoke into the transmission so that the splines mesh with those of the transmission shaft.
Using reference marks made during removal, align the driveshaft with the companion flange and secure it with the U-Bolts or U-Clamps.
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