| General Knocking or Clunking |
Excessive differential side gear clearance |
See Overhaul in DRIVE AXLES |
| Worn rear axle pinion shaft |
See Overhaul in DRIVE AXLES |
| Worn case or differential cross shaft in case |
See Overhaul in DRIVE AXLES |
| Excessive end play of axle shafts-to-differential cross shaft |
See Overhaul in DRIVE AXLES |
| Gear teeth mutilitated |
See Overhaul in DRIVE AXLES |
| Improper axle shaft spline fit |
See Overhaul in DRIVE AXLES |
| Total axle backlash too great |
See Overhaul in DRIVE AXLES |
| Incorrect driveline angle |
See Adjustment in PROPELLER SHAFT ALIGNMENT |
| Clunking During Initial Engagement |
Excessive differential side gear clearance |
See Overhaul in DRIVE AXLES |
| Excessive ring and pinion backlash |
See Overhaul in DRIVE AXLES |
| Worn or loose pinion shaft |
See Overhaul in DRIVE AXLES |
| Worn or damaged inboard joint |
See Overhaul in DRIVE AXLES |
| Gear Howl or Whine |
Improper pinion depth |
See Overhaul in DRIVE AXLES |
| Improper ring gear backlash adjustment |
See Overhaul in DRIVE AXLES |
| Improper ring gear runout |
See Overhaul in DRIVE AXLES |
| Improper bearing preload |
See Overhaul in DRIVE AXLES |
| Excessive pinion bearing wear |
See Overhaul in DRIVE AXLES |
| Clicking or Chatter on Turns |
Wrong lubricant in differential |
Drain and refill differential |
| Clutch plates worn |
See Overhaul in POSITIVE TRACTION DIFFERENTIALS |
| Worn or damaged outboard joints |
See Overhaul in DRIVE AXLES |
| Differential side gears or pinion worn |
See Overhaul in DRIVE AXLES |
| Knock or Click Approximately Every Second Revolution |
Flat spot on rear wheel bearing |
See Overhaul in DRIVE AXLES |
| Grunt Noise on Stops |
Lack of lubricant in propeller shaft slip yoke |
See UNIVERSAL JOINTS |
| Groan in Forward or Reverse |
Wrong lubricant in differential |
Replace lubricant |
| Knock in Drive Line in High Gear at 10 MPH |
Worn or damaged universal joints |
See UNIVERSAL JOINTS |
| Side gear hub counterbore in differential worn oversize |
See Overhaul in DRIVE AXLES |
| Ping, Snap or Click in Drive Line |
Loose upper or lower control arm bushing bolts |
See Replacement in FRONT SUSPENSION |
| Loose companion flange |
See Overhaul in DRIVE AXLES |
| Scraping Noise |
Slinger, companion flange or end yoke rubbing on rear axle carrier |
See Overhaul in DRIVE AXLES |
| Car Will Not Move |
Broken axle shaft |
See Overhaul in DRIVE AXLES |
| Broken pinion stem |
See Overhaul in DRIVE AXLES |
| Broken welds |
See Overhaul in DRIVE AXLES |
| Axle lock up |
See Overhaul in DRIVE AXLES |
| Broken gear teeth |
See Overhaul in DRIVE AXLES |
| Broken wheel bearing |
See Overhaul in DRIVE AXLES |
| Axle Backlash |
Excessive ring and pinion clearance |
See Overhaul in DRIVE AXLES |
| Loose fitting differential pinion shaft |
See Overhaul in DRIVE AXLES |
| Excessive side gear-to-case clearance |
See Overhaul in DRIVE AXLES |
| Leakage at Differential or Driveshaft |
Rough outside surface on splined yoke |
See Overhaul in DRIVE AXLES |
| Drive pinion seal or nut |
See Overhaul in DRIVE AXLES |
| Axle cover gasket, or axle shaft seal |
See Overhaul in DRIVE AXLES |
| Bad welds or improper axle vent hose |
See Overhaul in DRIVE AXLES |
| Case porosity |
Apply heat resistant silicone sealer to case |
| Roughness, Shudder or Vibration Upon Heavy Acceleration |
Double cardan joint ball seats worn, and ball set spring may be broken |
See UNIVERSAL JOINTS |
| Excessive joint angle |
See Propeller Shaft Alignment in DRIVE AXLES |
| Sticking inboard joint assembly |
See UNIVERSAL JOINTS |
| Worn or damaged inboard or outboard joints |
See UNIVERSAL JOINTS |
| Roughness, Vibration or Body Boom Experienced at Any Speed |
Rough rear wheel bearings |
See Overhaul in DRIVE AXLES |
| Unbalanced or damaged propeller shaft |
Check and/or balance propeller shaft |
| Unbalanced or damaged tires |
Check and/or balance tires |
| Worn or damaged universal joints |
See UNIVERSAL JOINTS |
| Bent of damaged drive shaft, or undercoating on drive shaft |
Check drive shaft balance |
| Tight universal joints |
Lubricate or replace as necessary |
| Burrs or gouges on companion flange |
Resurface or replace flange |
| Drive shaft or companion shaft runout too great |
Repair or replace as necessary |
| Excessive looseness at slip yoke spline |
See Overhaul in DRIVE AXLES |