Re: XJ Air Box Question...
 

The whistle noise is likely a vacuum line that has fallen off.

Follow the noise and plug it back on.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

Jamie wrote:
>
> '99 XJ
>
> Turned my defrost on high only to hear a loud "whistling sound" and no
> air coming out the defroster (the side vents still work). All other
> settings work fine (vent, heat, AC, etc), just the defrost setting is
> acting up.
>
> Something inside the air box seems to be preventing the flapper from
> fully moving into the correct position for defrost.
>
> Suggestions????

Re: XJ Air Box Question...
 

Chipmunk?
"Mike Romain" <romainm@sympatico.ca> wrote in message
news:3F428C20.782AB137@sympatico.ca...
> The whistle noise is likely a vacuum line that has fallen off.
>
> Follow the noise and plug it back on.
>
> Mike
> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> 88 Cherokee 235 BFG AT's
>
> Jamie wrote:
> >
> > '99 XJ
> >
> > Turned my defrost on high only to hear a loud "whistling sound" and no
> > air coming out the defroster (the side vents still work). All other
> > settings work fine (vent, heat, AC, etc), just the defrost setting is
> > acting up.
> >
> > Something inside the air box seems to be preventing the flapper from
> > fully moving into the correct position for defrost.
> >
> > Suggestions????

Re: XJ Air Box Question...
 

Chipmunk?
"Mike Romain" <romainm@sympatico.ca> wrote in message
news:3F428C20.782AB137@sympatico.ca...
> The whistle noise is likely a vacuum line that has fallen off.
>
> Follow the noise and plug it back on.
>
> Mike
> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> 88 Cherokee 235 BFG AT's
>
> Jamie wrote:
> >
> > '99 XJ
> >
> > Turned my defrost on high only to hear a loud "whistling sound" and no
> > air coming out the defroster (the side vents still work). All other
> > settings work fine (vent, heat, AC, etc), just the defrost setting is
> > acting up.
> >
> > Something inside the air box seems to be preventing the flapper from
> > fully moving into the correct position for defrost.
> >
> > Suggestions????