94 Blazer S-10 version, V6 4.3L Vortec engine, AT. 183K miles. 22 mpg
average, no oil use or exhaust smoke to speak of.
Since buying this vehicle 2 months ago, spent alot of time and money fixing
stuff that simply worn out. Two things that seem related. The underhood
noise seems to be related to the serpentine belt in the AC compressor area,
suspect the compressor. But, when I replaced the power steering pump, the
belt tensioner broke providing inadequate tension. The AC compressor was
turning though without the whining noise. So, the jury is still out on this
A related item I noted looking under the left wheel well at the harmonic
balancer. It seems that some of the material has worked it way towards the
front of the engine. Giving an awkward appearance while the engine is
Should I replace the harmonic balancer?
How do I track down this underhood noise to its defacto source, not
surmising its source as best guess?