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Re: Squealin'

Shane Allen Snyder wrote:
> 
> My '86 4kcsq is making a squealing sound at idle.  More like a
> eeeeeeh-eeeeeeeh-eeeeeeeh....   also most a prolonged chirp.  When I throttle
> up the sound disappears, but there is a whine, sounds like a turbo.  Any ideas
> on how to diagnose this?  Most likely producers of this type of sound?  The
> belts are all new, except the timing belt (way overdue)....

Check your idle adjust(air bypass) screw on the throttle body, it can
back out to the point of causing an air leak, I’ve had that happen
several times, even lost one once! Your discription of the sound is
right-on.

GT

84 5KT
87 5KCST