Here is a list of what can cause a rear differential to go bad: Not driving adequately in the break-in period: When a vehicle is brand new, there’s a period of 3,000-5,000 miles where certain thresholds should not be crossed if the user does not want to shorten the life of the differential. Serving as the connection between the engine and the transmission, the clutch assembly in a manual transmission withstands extreme pressures and stress on a continual basis. You may also be able to notice a vague feel at the clutch lever. Either of these symptoms suggest that the internal clutch components need to be inspected for wear. if it is from the upper drivers side of the diff, it is probably the vent. Jump to Latest Follow 1 - 7 of 7 Posts. The viscous-coupling differentials preferred by some manufacturers use a compression-sensitive viscous fluid … A traditional clutch-type differential will lose its ability to transfer power to the slower spinning wheel, essentially turning it back into a standard "open" differential. If your car makes a rumbling or whirring noise when traveling faster than 20 mph, worn carrier bearings could be the culprit. HamToast ... clutch packs in the diff, pinion gear and any number of rear end differential problems. see where it is leaking from. when the clutch lever is let out). All unusual or strange noises produced by the driveline while driving have a root cause and should be thoroughly investigated to prevent serious damage to the vehicle or the operator. Causes: When a clutch is performing optimally, the drive plates and friction plates are pushed together during clutch engagement (i.e. What are symptoms of a differential going bad? With a clutch's lifespan averaging 90,000 miles, problems are relatively rare. There ARE ways the system can fail even when you do all that correctly - Duty Solenoid C can be bad, wiring can be bad, the wet clutch pack can hang-up and not function correctly, etc. Jump to Latest Follow 1 - 14 of 14 Posts ... like parking and engaging the clutch. I'm guessing this is a 5spd, so it has a viscous coupler. The two things that the car will exhibit if it is failing, is a tendency to hop or bind when the steering is at full lock (think low speed, parking maneuvers) The other is a whining, space ship-like noise on accelerating indicating the bearings in the transfer case (specifically the coupler, most of the time) are bad. Here a few things to look for if you suspect something’s off: Worn carrier bearings. Usually bad or failing differential oil will produce a few symptoms that can alert the driver of a potential problem that should be serviced. you may have 2 or more problems, but it seems one of them is … ---Problem Fixed, center differential was bad, replaced with new unit and everything works fine----2002 subaru wrx wagon. • “Clunking or clicking” when starting to move or getting on and off the gas might be loose yokes, bad u-joints or worn transfer case or transmission parts. Other components may show signs of damage when your vehicle has differential problems. Differential symptoms? Symptoms of a Damaged Differential . Vehicle … basically, pay attention for leaks. 1 - 7 of 7 Posts gear and any number of rear end differential.... Guessing this is a 5spd, so it has a viscous coupler Follow 1 - 14 14! Viscous coupler engaging the clutch diff, it is probably the vent are relatively rare friction plates are pushed during! 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