Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Driveline System: Notes
The driveline system consists of the following components:
- Center support bearing
- Driveshaft assembly
- Front halfshafts
- Rear halfshafts
- Active Torque Coupling (ATC) /rear axle
On Front Wheel Drive (FWD) vehicles, the transaxle transmits power from the engine to the halfshafts.
On All-Wheel Drive (AWD) vehicles, power is transmitted from the engine through the transaxle to the Power Transfer Unit (PTU). The PTU transfers engine power from the transaxle to the front halfshafts, and through the driveshaft to the ATC /rear axle and halfshafts. For information on the PTU, refer to Transfer Case - Power Transfer Unit (PTU) .
The engine angle is built into the engine mounts. If the engine angle is out of specification, the engine mounts must be inspected for damage. Refer to the appropriate service information in Engine System - General Information for the procedure.
Vehicle Certification (VC) Label Example
The Vehicle Certification (VC) label is located in the driver door jamb. The axle code is on the VC label. Refer to Identification Codes .
The axle ratio is 2.93 and the ring gear has a diameter of 174 mm (6.85 in).
The wheel speed sensor rings for FWD vehicles are located on the front halfshafts and are mounted to the rear inner spindles.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
No obligation. See pricing before you book.