What kind of noise does a lifter make?
What kind of noise does a lifter make? If the noise can not be isolated to a specific bank, then in the majority of situations this would not be a lifter related noise. VARIABLE CAM TIMING The 4.6L 3V and 5.4L 3V variable cam timing (VCT) feature may emit a light knock in normal operation and is audible only at idle speed, with a hot engine (gear selector in parktneutral). What causes a loud knocking noise in the engine? Connecting rod knock noise increases in volume with engine speed and is at its loudest on deceleration. The following are causes...