fRoStyALLnight

while the engine is running it sounds like there is metal brushing on something continuously.. is this related to the hvac unit? had someone check it out.. they think its that but recommended to ask everyone on this forum. thanks

Netwrkengeer

It could be the balancer rubbing against the timing cover.

n2ceptor

Tensioner or idler pulley??? A/C compressor clutch??? Power steering pump??? Air pump??? Alternator???

Could be anywhere?????

fRoStyALLnight

thanks for the info.. ill be sure to check out those things tomorrow.. anyone else have advice..?

scottso

What did you find? I get that sporadically and it is the AC clutch. Flip on the AC and see if it stops.