Quote:
Originally Posted by san rensho
Chirp can also be the waterpump. Take off the serp belt and check the WP pulley for play and roughness. Also, check all of the other pulleys.
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Water pump chirp is not quite the same as the noise a spark plug would make. Water pump chirping sounds more like metal on metal... Because that's what it is. But without hearing it, it could very well be either.
However, re-torquing spark plugs is easier and free. Best to start there :P