Constant Noise (1)

Constant Noise Constant Noise

Cause DEFINITION: A noise heard in the rear axle during all driving conditions. This noise may increase or decrease in volume based on different driving maneuvers and speeds.	Correction
Excessive ring gear runout	Replace the ring gear. Differential Ring and Pinion Gear Replacement
Worn pinion or ring gear	Replace the pinion and the ring gear. Differential Ring and Pinion Gear Replacement
Worn pinion splines	Replace the pinion. Differential Ring and Pinion Gear Replacement
Excessive pinion end play	Adjust the pinion end play. Pinion Depth Adjustment
Incorrect differential bearing preload	Adjust the differential bearing preload. Differential Carrier Bearing Preload Adjustment
Incorrect backlash	Adjust the pinion and ring gear backlash. Backlash Adjustment
Worn pinion bearings	Replace the pinion bearings. Differential Drive Pinion Gear Outer Bearing Replacement Differential Drive Pinion Gear Inner Bearing Replacement
Worn differential bearings	Replace the differential bearings. Differential Bearing Replacement
Bent axle shaft	Replace the axle shaft. Rear Axle Shaft Replacement - Right Side Rear Axle Shaft Replacement - Left Side
Worn axle housing	Replace the axle housing. Rear Axle Housing Replacement
Low oil level	Fill the fluid level to specifications with the proper lubricant. Rear Axle Lubricant Level Inspection
Wrong or poor grade oil	Drain and refill the system with the proper lubricant. Rear Axle Lubricant Replacement