Acura ILX 2013-2021 Drivetrain Bolt Torque Specifications

Using the correct torque specifications is crucial for proper drivetrain component function and longevity. Under-tightening can lead to bolts loosening, causing movement, vibration, or even component failure. Over-tightening can stretch or damage bolts, strip threads, or distort parts, potentially leading to premature wear or catastrophic failure. Following specified torque values ensures proper clamping force, preventing these issues.

For drivetrain components, it's recommended to use a calibrated click-type or beam-type torque wrench. Digital torque wrenches offer high precision but are more expensive. Ensure your torque wrench is within its calibration period for accurate readings. Avoid using a 'feel' method, especially with crucial drivetrain bolts. A 1/2-inch drive torque wrench is common for these components, while smaller components may use a 3/8-inch drive.

When a torque specification indicates 'lubricated,' it typically means the threads and under-head surface of the bolt should have a thin film of oil or anti-seize compound applied before tightening. This lubrication reduces friction, leading to more accurate torque readings and preventing galling or binding. Using the dry torque spec on a lubricated bolt will result in over-tightening, and vice-versa. Consult your manual for the specific lubricant type. Examples include engine oil or a designated anti-seize compound, depending on the application.

While not always necessary, it's good practice to replace critical drivetrain bolts, especially those subject to high stress or torque-to-yield (TTY). TTY bolts are designed to stretch when torqued, making them unsuitable for reuse. Refer to the Acura service manual to determine if a specific bolt should be replaced after removal. Some bolts may have a torque + angle procedure, indicating they are TTY. If there is any question, it is always best practice to replace a bolt when servicing such an important part of the car.