Dorman 946-040 Drive Shaft - Rear

Reliable Drive Shaft for Chevrolet and GMC Trucks

The Dorman 946-040 drive shaft is engineered to provide dependable driveline performance for Chevrolet Canyon and GMC Colorado models. Constructed from durable steel, this rear drive shaft is designed to meet regular grade specifications, ensuring consistent operation under standard driving conditions.

Key Features of the Dorman 946-040 Drive Shaft

• Made from high-quality steel for strength and durability
• Regular grade type suitable for everyday driving demands
• 3.5-inch shaft diameter for optimal torque transfer
• 62.52-inch drive shaft length tailored for rear applications
• 0.065-inch wall thickness balancing weight and rigidity
• Non-greaseable design for maintenance-free use
• Fixed overall length, no adjustment required
• Includes one rear driveshaft unit

Detailed Description and Specifications

The Dorman 946-040 drive shaft is specifically designed for rear driveline replacement on Chevrolet Canyon and GMC Colorado trucks. Its steel shaft material provides the necessary strength to handle torque and rotational forces while maintaining structural integrity. The 3.5-inch diameter and 0.065-inch wall thickness offer a balance between durability and weight, contributing to efficient power transfer from the transmission to the rear differential. This drive shaft measures 62.52 inches in length, matching the exact requirements for rear applications on the specified models. The non-greaseable design reduces maintenance needs, making it a practical choice for drivers seeking reliable performance without frequent servicing.

Common Applications and Problem Resolution

• Replacement for worn or damaged rear drive shafts on Chevrolet Canyon and GMC Colorado
• Addresses vibrations or clunking noises caused by shaft wear or imbalance
• Resolves driveline issues related to shaft bending or cracking
• Restores proper torque transfer and driveline alignment
• Eliminates driveline failure due to corrosion or fatigue

Installation Notes and Tips

Installation of the Dorman 946-040 drive shaft should be performed by a qualified technician familiar with Chevrolet and GMC driveline systems. Ensure all mounting points and universal joints are inspected and replaced if necessary during installation. Since this drive shaft is non-greaseable and has a fixed length, no adjustments or lubrication are required post-installation. Proper torque specifications should be followed to secure the shaft and prevent premature wear.

Quality Assurance and Warranty Information

Dorman manufactures the 946-040 drive shaft to meet industry standards for material quality and dimensional accuracy. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. This drive shaft is designed to provide reliable service life when installed and maintained according to manufacturer guidelines.