LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 888 (Front Drive Axle/Differential -- F250-F550 Super Duty) >> Diagnosis And Testing >> Front Drive Axle >> Diagnostic Routines

Diagnostic Routines

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC ROUTINE - FLUID LOSS

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.
DIAGNOSTIC ROUTINE - NOISE LOUDER ON TURNS (SWEEPING)

Possible Component Reference/Action
  • Wheel end bearing
  • CHECK the wheel end bearing for wear or damage. INSTALL a new bearing.
DIAGNOSTIC ROUTINE - NOISE (GROWL) IN TIGHT TURN, CONVENTIONAL DIFFERENTIAL

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.
DIAGNOSTIC ROUTINE - NOISE (WHINE) IN ALL OR MORE THAN ONE DRIVE MODES

Possible Component Reference/Action
  • Axle ring and pinion
  • REMOVE and INSTALL a new gear set and bearings.
DIAGNOSTIC ROUTINE - NOISE (TICK/CLICK) IN ALL OR MORE THAN ONE DRIVE MODES

Possible Component Reference/Action
  • Axle ring and pinion
  • REMOVE and INSTALL a new ring gear, pinion and bearings.
DIAGNOSTIC ROUTINE - NOISE (HOWL/MOAN) IN ALL OR MORE THAN ONE DRIVE MODES

Possible Component Reference/Action
  • Axle bearings
  • INSPECT differential and pinion bearings. INSTALL new bearings.
DIAGNOSTIC ROUTINE - NOISE (CLUNK) ON CHANGES IN SPEED OR DIRECTION OF POWER

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.
DIAGNOSTIC ROUTINE - FRONT AXLE NOT ENGAGE/DISENGAGE

Possible Component Reference/Action
  • Mode switch
  • Wiring
  • Shift motor
DIAGNOSTIC ROUTINE - VIBRATION

Possible Component Reference/Action
scientia non olet · About LEMON Manuals