GM Parts Club
Most drivetrain and transfer case problems announce themselves well before they strand anybody. On a 2007-2013 Silverado 1500, these are the ones worth acting on.
1. A hum that changes with steering input, which usually points at a wheel bearing
This one is usually early, which is good news, because it is cheap to fix early. Start by looking at u-joints.
2. A clunk on the transition from drive to reverse
This one is usually early, which is good news, because it is cheap to fix early. Start by looking at CV axles.
3. Vibration that appears above 55 mph and grows with speed
It rarely gets better on its own, and it usually gets louder before it gets expensive. Start by looking at front differential actuators.
4. A four wheel drive light that flashes and never engages
This is the symptom people put off longest and regret most. Start by looking at transfer case encoder motors.
What to Do Next
Transfer case and differential fluid on a schedule that tightens sharply if you tow or run in dust. Wheel bearings are replaced on noise, not on mileage.
Ride height, axle ratio and locking differential content all change these numbers.
Ordering is easiest if you have the VIN in front of you. Head to our Chevrolet OEM parts catalog to shop by vehicle, or search for Silverado 1500 transfer case encoder motors to go straight to a part.
Where to Buy
- Genuine Chevrolet OEM parts
- Transfer Case Encoder Motors
- Front Differential Actuators
- U-Joints
- Cv Axles
- Wholesale account setup
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