You may be surprÂ­ised to discover that a carbon monoxide (CO) detector really isn't a complicated piece of equipment. Housed inside a plastic chamber approximately 3 inches (7.6 centimeters) in diameter are parts that work in unison to alert a househoÂ­ld when lethal gas is detected.
This type of noise is usually caused by malfunctioning valve lifters or an exhaust manifold leak. If the noise lasts for more than a minute and completely disappears or dimishes after the engine is warm, the most likely cause is an exhaust manifold leak.
Chirp noise caused by drive misalignment occurs upon entry of the span into the pulley as belt ribs seat into the. pulley grooves, not as the belt exits. 2. Belts are less likely to generate misalignment noise when they are in new condition. As belts wear in, they develop.