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.
Noisy power steering pump operation not attributed to air. in the system. The belt pulley may not be pressed on the shaft in the proper. position. Side loading from the misaligned pulley forces internal. parts to rub, causing noisy operation. Make sure the pulley is pressed on 1/8th inch past the end of the. shaft as shown below. Proper pulley alignment is critical for all. applications.