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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1539 (Rear Drive Axle/Differential - DANA 80 -- F350 Super Duty) >> Diagnosis And Testing >> Rear Drive Axle and Differential >> Diagnostic Routines

Diagnostic Routines

WARNING: This page is about a different car, the 2006 Ford Pickup and 2006 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSIS PROCEDURE

Possible Component Reference/Action
  • Vent
  • CLEAN the axle vent and vent hose.
  • Overfilled axle
  • CHECK the lubricant level for specific amount.
  • Fill plug
  • CLEAN the area around the plug. REMOVE the plug. APPLY pipe sealant and INSTALL the plug.
  • Halfshaft oil seal
  • INSTALL a new halfshaft oil seal.
  • Pinion seal
  • INSTALL a new pinion seal.
  • Differential housing cover
  • RESEAL the differential housing cover.
DIAGNOSIS PROCEDURE

Possible Component Reference/Action
  • Wheel end bearing
  • CHECK the wheel end bearing for wear or damage. INSTALL a new bearing.
DIAGNOSIS PROCEDURE

Possible Component Reference/Action
  • Differential side gears and differential pinion gears
  • Disassemble the differential carrier. INSPECT the differential case assembly. INSTALL new side gears and differential pinion gears or case assembly.
DIAGNOSIS PROCEDURE

Possible Component Reference/Action
  • Clutch pack
  • VERIFY the condition. With the vehicle in cold startup, MAKE SURE that the vehicle is in 2WD, to isolate the rear axle. TURN the wheel fully right (or fully left) and then ACCELERATE the vehicle. If the condition is verified to be in the rear axle, REMOVE and INSTALL new clutch packs.
DIAGNOSIS PROCEDURE

Possible Component Reference/Action
  • Axle ring and pinion
  • REMOVE and INSTALL a new gear set and bearings.
DIAGNOSIS PROCEDURE

Possible Component Reference/Action
  • Axle ring and pinion
  • REMOVE and INSTALL a new ring gear, pinion and bearings.
DIAGNOSIS PROCEDURE

Possible Component Reference/Action
  • Axle bearings
  • INSPECT differential and pinion bearings. INSTALL new bearings.
DIAGNOSIS PROCEDURE

Possible Component Reference/Action
  • Axle and pinion system
  • Measure total backlash. If end play and total backlash are within specification, INSTALL a new differential case assembly.
  • Differential pinion shaft
  • INSTALL a new differential pinion shaft and pin.
  • Pinion bearings
  • INSTALL new pinion and differential bearings and bearing cups.
DIAGNOSIS PROCEDURE

Possible Component Reference/Action
  • Mode switch
  • Wiring
  • Shift motor
DIAGNOSIS PROCEDURE

Possible Component Reference/Action
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