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94 h.o whining noise

stlxjguy

NAXJA Forum User
Location
st.louis,mo
Lately its been cold an start it upan sounds like I got a blower?and when u hit the gas it goes away then warms up an goes away.anyone have the problem.
 
throttle makes a high-pitch whine like a low whistle

alternator will make similar pitched noise that escalates to a whistle when it charges

get a section of garden hose or heater hose or the like, with one end tight against your ear and zoom in
 
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