Prepare for the Automotive Service Technician Period 1 exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

When replacing an oil filter, to what specification should you tighten?

Tighten to the manufacturer’s specification. The oil filter and engine are designed with a specific amount of clamping force on the gasket and a defined thread engagement. Following the exact torque ensures the seal is correct—neither under-tightened (which can cause leaks) nor over-tightened (which can damage the gasket, threads, or housing). Generic methods like hand-tight or “tighten until snug” are unreliable because they vary with the user and the filter, and “torque to twice the gasket load” isn’t a standard, safe procedure. Always refer to the service manual or filter packaging for the exact torque value and use a calibrated torque wrench.

Tighten to the manufacturer’s specification. The oil filter and engine are designed with a specific amount of clamping force on the gasket and a defined thread engagement. Following the exact torque ensures the seal is correct—neither under-tightened (which can cause leaks) nor over-tightened (which can damage the gasket, threads, or housing). Generic methods like hand-tight or “tighten until snug” are unreliable because they vary with the user and the filter, and “torque to twice the gasket load” isn’t a standard, safe procedure. Always refer to the service manual or filter packaging for the exact torque value and use a calibrated torque wrench.