OEM Lincoln MKZ Differential Cover

Lincoln MKZ Differential Cover Parts Questions & Experts Answers

• Differential Cover, Rear
  7E5Z-4033-A
  Q: How to service and repair the differential cover of the rear drive axle on Lincoln MKZ?

  A: The first step to service and repair the differential cover of the rear drive axle involves using a hoist to put the vehicle into NEUTRAL gear and unthread the 10 bolts from the rear differential housing cover before draining the differential fluid from the housing. The differential housing service requires machined surfaces of rear axle housing and differential housing cover to be completely cleaned from oil residue while protecting the rear axle interior from damage. The differential vent on the rear cover must be unobstructed while cleaning the mating surfaces that connect the differential housing and cover together. The differential housing cover must get installed during the first 15 minutes of silicone rubber application or new silicone rubber becomes necessary. Silicone rubber needs at least one hour of curing time before the lubricant addition process begins. After applying a continuous strand of clear silicone rubber the differential housing cover needs to be installed followed by tightening the 10 bolts to 23 Nm (17 lb-ft). Add rear axle lubricant to a total of 1.15L (2.43 pt) but maintain a lubricant level three to five millimeters (0.118-0.196 inches) below the opening of the filler hole before installing the filler plug and securing it tightly to 29 Nm (21 lb-ft).