Ford 5L5Z-4602-A Drive Shaft Assembly

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Installation is the reverse of the removal steps with the following additions: On 2WD models, slide the front of the driveshaft into the transmission. On 4WD models, position the front end of the driveshaft on the transfer case with the alignment marks lined up. Raise the rear of the driveshaft into position, ensuring the marks are in alignment. If not, make sure the transmission is still in Neutral, then turn the rear wheels to match the pinion flange and the driveshaft. On 2011 models, tighten the driveshaft-to-axle bolts in a crisscross pattern, to the torque specifications.

Make alignment marks on the driveshaft and transfer case flanges.

Removal of the drive shafts and drive axle.

a) On an open road, free of traffic, drive the vehicle and note the engine speed (rpm) at which the problem is most evident. b) Drive the vehicle again, manually keeping the transmission in first, then second, then third gear ranges, and running the engine up to the noted engine speed. c) If the noise or vibration decreased or was eliminated, visually inspect the driveshaft(s) for damage, material on the shaft which would affect balance, missing weights, and damaged universal joints. d) If the noise or vibration occurs at the same engine speed regardless of which gear the transmission is in, the driveshaft is not at fault.

To check for worn universal joints, follow these steps: a) Drive the vehicle slowly until the transmission is in High gear, then let off the accelerator and accelerate again. A clunking or knocking noise will indicate worn universal joints. b) Drive the vehicle at about 10 to 15 mph, place the transmission in Neutral, and listen for abnormal driveline noises while coasting. c) Raise the vehicle and support it securely on jackstands. With the transmission in Neutral, manually turn the driveshaft(s) and watch the universal joints for excessive play.