Truck makes whining noises
You are correct to suspect the differential. Other parts of the undercarriage, such as the tires and wheel bearings (https://www.yourmechanic.com/services/wheel-bearings-replacement), usually result in a noise that persists during both acceleration and deceleration. Whining and howling noises are usually related to...
I have a bad Serpentine Belt and need a replacement Mechanic's Assistant: How many miles are on the car? 204957 Mechanic's Assistant: What is the make/model/year of your car? Honda Civic Ex Mechanic's Assista...
I have a bad Serpentine Belt and need a replacement Mechanic's Assistant: How many miles are on the car? 204957 Mechanic's Assistant: What is the make/model/year of your car? Honda Civic Ex Mechanic's Assistant: What year is your Civic? 2008 Mechanic's Assistant: Are you fixing your Civic yourself? What have you tried so far? No but I am considering Mechanic's Assistant: Anything else you want the Mechanic to know before I connect you? No that’s all