[97 XJ] radiator cooling fan problem
03-01-2005, 08:41 PM
#11
Guest
Posts: n/a
Re: [97 XJ] radiator cooling fan problem
oops sorry god i slipped how dare me
Mike Romain wrote:
> I still don't know why you 'pretend' to be a mechanic...
>
> The sensor on the back of the head is for the gauge only and nobody puts
> a freaking sensor on the side of a rocker cover.
>
> Mike
> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> 88 Cherokee 235 BFG AT's
>
> mic canic wrote:
> >
> > unplug the sensor on the t-stat housing ( if it's there)while the fan is
> > running if it shuts off the temp sensor is bad
> > if the sensor is not there it's on the side of the rocker cover in the bac and
> > it's a one wire connector
> >
> > Erik Sabowski wrote:
> >
> > > this is not for my jeep, but a friend's '97 XJ
> > >
> > > yesterday, one of the cooling fans on the radiator (the one on the
> > > driver's side) would continue to run after the vehicle was shut off. i
> > > guess that in itself is not so strange, my VW Jetta will continue to run
> > > the fan for a few minutes when it is really hot out, as it will continue
> > > to run the coolant through the engine if it is hot out. but, i am in
> > > maryland, and it is the dead of winter. and the fan didn't shut off, it
> > > ran until the battery died. so he got a jump so he could get to work
> > > today, and when he turned the engine off, the fan would continue to run. i
> > > disconnected the battery so that it wouldn't die. 8 hours later when we
> > > got off work, when i hooked the battery up again, the fan immediately
> > > turned back on. i checked the fuse box in the engine bay, and noticed that
> > > one of the relays in there was for the cooling fans. so with the battery
> > > disconnected again, i pulled out (what i thought was) the relay for the
> > > cooling fans, inspected it (it looked fine) and put it back in. i later
> > > realized that i had actually pulled the relay marked 'ASD', which
> > > according to the manual, is for the 'Auto Shutdown.' but, for whatever
> > > reason, the simple act of pulling out and reinserting the 'ASD' relay
> > > fixed the problem, or at the very least, fixed it for the time being.
> > >
> > > can anyone give me any insight into what exactly happened here? is the
> > > 'auto shutdown' relay for the circuity that turns that fan on and off?
> > > (the fan on the passenger side appears to always run, while the one on the
> > > driver side appears to run only when needed).
> > >
> > > erik
> > > '78 jeep CJ7, mostly stock
Mike Romain wrote:
> I still don't know why you 'pretend' to be a mechanic...
>
> The sensor on the back of the head is for the gauge only and nobody puts
> a freaking sensor on the side of a rocker cover.
>
> Mike
> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> 88 Cherokee 235 BFG AT's
>
> mic canic wrote:
> >
> > unplug the sensor on the t-stat housing ( if it's there)while the fan is
> > running if it shuts off the temp sensor is bad
> > if the sensor is not there it's on the side of the rocker cover in the bac and
> > it's a one wire connector
> >
> > Erik Sabowski wrote:
> >
> > > this is not for my jeep, but a friend's '97 XJ
> > >
> > > yesterday, one of the cooling fans on the radiator (the one on the
> > > driver's side) would continue to run after the vehicle was shut off. i
> > > guess that in itself is not so strange, my VW Jetta will continue to run
> > > the fan for a few minutes when it is really hot out, as it will continue
> > > to run the coolant through the engine if it is hot out. but, i am in
> > > maryland, and it is the dead of winter. and the fan didn't shut off, it
> > > ran until the battery died. so he got a jump so he could get to work
> > > today, and when he turned the engine off, the fan would continue to run. i
> > > disconnected the battery so that it wouldn't die. 8 hours later when we
> > > got off work, when i hooked the battery up again, the fan immediately
> > > turned back on. i checked the fuse box in the engine bay, and noticed that
> > > one of the relays in there was for the cooling fans. so with the battery
> > > disconnected again, i pulled out (what i thought was) the relay for the
> > > cooling fans, inspected it (it looked fine) and put it back in. i later
> > > realized that i had actually pulled the relay marked 'ASD', which
> > > according to the manual, is for the 'Auto Shutdown.' but, for whatever
> > > reason, the simple act of pulling out and reinserting the 'ASD' relay
> > > fixed the problem, or at the very least, fixed it for the time being.
> > >
> > > can anyone give me any insight into what exactly happened here? is the
> > > 'auto shutdown' relay for the circuity that turns that fan on and off?
> > > (the fan on the passenger side appears to always run, while the one on the
> > > driver side appears to run only when needed).
> > >
> > > erik
> > > '78 jeep CJ7, mostly stock
03-01-2005, 08:41 PM
#12
Guest
Posts: n/a
Re: [97 XJ] radiator cooling fan problem
oops sorry god i slipped how dare me
Mike Romain wrote:
> I still don't know why you 'pretend' to be a mechanic...
>
> The sensor on the back of the head is for the gauge only and nobody puts
> a freaking sensor on the side of a rocker cover.
>
> Mike
> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> 88 Cherokee 235 BFG AT's
>
> mic canic wrote:
> >
> > unplug the sensor on the t-stat housing ( if it's there)while the fan is
> > running if it shuts off the temp sensor is bad
> > if the sensor is not there it's on the side of the rocker cover in the bac and
> > it's a one wire connector
> >
> > Erik Sabowski wrote:
> >
> > > this is not for my jeep, but a friend's '97 XJ
> > >
> > > yesterday, one of the cooling fans on the radiator (the one on the
> > > driver's side) would continue to run after the vehicle was shut off. i
> > > guess that in itself is not so strange, my VW Jetta will continue to run
> > > the fan for a few minutes when it is really hot out, as it will continue
> > > to run the coolant through the engine if it is hot out. but, i am in
> > > maryland, and it is the dead of winter. and the fan didn't shut off, it
> > > ran until the battery died. so he got a jump so he could get to work
> > > today, and when he turned the engine off, the fan would continue to run. i
> > > disconnected the battery so that it wouldn't die. 8 hours later when we
> > > got off work, when i hooked the battery up again, the fan immediately
> > > turned back on. i checked the fuse box in the engine bay, and noticed that
> > > one of the relays in there was for the cooling fans. so with the battery
> > > disconnected again, i pulled out (what i thought was) the relay for the
> > > cooling fans, inspected it (it looked fine) and put it back in. i later
> > > realized that i had actually pulled the relay marked 'ASD', which
> > > according to the manual, is for the 'Auto Shutdown.' but, for whatever
> > > reason, the simple act of pulling out and reinserting the 'ASD' relay
> > > fixed the problem, or at the very least, fixed it for the time being.
> > >
> > > can anyone give me any insight into what exactly happened here? is the
> > > 'auto shutdown' relay for the circuity that turns that fan on and off?
> > > (the fan on the passenger side appears to always run, while the one on the
> > > driver side appears to run only when needed).
> > >
> > > erik
> > > '78 jeep CJ7, mostly stock
Mike Romain wrote:
> I still don't know why you 'pretend' to be a mechanic...
>
> The sensor on the back of the head is for the gauge only and nobody puts
> a freaking sensor on the side of a rocker cover.
>
> Mike
> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> 88 Cherokee 235 BFG AT's
>
> mic canic wrote:
> >
> > unplug the sensor on the t-stat housing ( if it's there)while the fan is
> > running if it shuts off the temp sensor is bad
> > if the sensor is not there it's on the side of the rocker cover in the bac and
> > it's a one wire connector
> >
> > Erik Sabowski wrote:
> >
> > > this is not for my jeep, but a friend's '97 XJ
> > >
> > > yesterday, one of the cooling fans on the radiator (the one on the
> > > driver's side) would continue to run after the vehicle was shut off. i
> > > guess that in itself is not so strange, my VW Jetta will continue to run
> > > the fan for a few minutes when it is really hot out, as it will continue
> > > to run the coolant through the engine if it is hot out. but, i am in
> > > maryland, and it is the dead of winter. and the fan didn't shut off, it
> > > ran until the battery died. so he got a jump so he could get to work
> > > today, and when he turned the engine off, the fan would continue to run. i
> > > disconnected the battery so that it wouldn't die. 8 hours later when we
> > > got off work, when i hooked the battery up again, the fan immediately
> > > turned back on. i checked the fuse box in the engine bay, and noticed that
> > > one of the relays in there was for the cooling fans. so with the battery
> > > disconnected again, i pulled out (what i thought was) the relay for the
> > > cooling fans, inspected it (it looked fine) and put it back in. i later
> > > realized that i had actually pulled the relay marked 'ASD', which
> > > according to the manual, is for the 'Auto Shutdown.' but, for whatever
> > > reason, the simple act of pulling out and reinserting the 'ASD' relay
> > > fixed the problem, or at the very least, fixed it for the time being.
> > >
> > > can anyone give me any insight into what exactly happened here? is the
> > > 'auto shutdown' relay for the circuity that turns that fan on and off?
> > > (the fan on the passenger side appears to always run, while the one on the
> > > driver side appears to run only when needed).
> > >
> > > erik
> > > '78 jeep CJ7, mostly stock
03-01-2005, 08:41 PM
#13
Guest
Posts: n/a
Re: [97 XJ] radiator cooling fan problem
oops sorry god i slipped how dare me
Mike Romain wrote:
> I still don't know why you 'pretend' to be a mechanic...
>
> The sensor on the back of the head is for the gauge only and nobody puts
> a freaking sensor on the side of a rocker cover.
>
> Mike
> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> 88 Cherokee 235 BFG AT's
>
> mic canic wrote:
> >
> > unplug the sensor on the t-stat housing ( if it's there)while the fan is
> > running if it shuts off the temp sensor is bad
> > if the sensor is not there it's on the side of the rocker cover in the bac and
> > it's a one wire connector
> >
> > Erik Sabowski wrote:
> >
> > > this is not for my jeep, but a friend's '97 XJ
> > >
> > > yesterday, one of the cooling fans on the radiator (the one on the
> > > driver's side) would continue to run after the vehicle was shut off. i
> > > guess that in itself is not so strange, my VW Jetta will continue to run
> > > the fan for a few minutes when it is really hot out, as it will continue
> > > to run the coolant through the engine if it is hot out. but, i am in
> > > maryland, and it is the dead of winter. and the fan didn't shut off, it
> > > ran until the battery died. so he got a jump so he could get to work
> > > today, and when he turned the engine off, the fan would continue to run. i
> > > disconnected the battery so that it wouldn't die. 8 hours later when we
> > > got off work, when i hooked the battery up again, the fan immediately
> > > turned back on. i checked the fuse box in the engine bay, and noticed that
> > > one of the relays in there was for the cooling fans. so with the battery
> > > disconnected again, i pulled out (what i thought was) the relay for the
> > > cooling fans, inspected it (it looked fine) and put it back in. i later
> > > realized that i had actually pulled the relay marked 'ASD', which
> > > according to the manual, is for the 'Auto Shutdown.' but, for whatever
> > > reason, the simple act of pulling out and reinserting the 'ASD' relay
> > > fixed the problem, or at the very least, fixed it for the time being.
> > >
> > > can anyone give me any insight into what exactly happened here? is the
> > > 'auto shutdown' relay for the circuity that turns that fan on and off?
> > > (the fan on the passenger side appears to always run, while the one on the
> > > driver side appears to run only when needed).
> > >
> > > erik
> > > '78 jeep CJ7, mostly stock
Mike Romain wrote:
> I still don't know why you 'pretend' to be a mechanic...
>
> The sensor on the back of the head is for the gauge only and nobody puts
> a freaking sensor on the side of a rocker cover.
>
> Mike
> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> 88 Cherokee 235 BFG AT's
>
> mic canic wrote:
> >
> > unplug the sensor on the t-stat housing ( if it's there)while the fan is
> > running if it shuts off the temp sensor is bad
> > if the sensor is not there it's on the side of the rocker cover in the bac and
> > it's a one wire connector
> >
> > Erik Sabowski wrote:
> >
> > > this is not for my jeep, but a friend's '97 XJ
> > >
> > > yesterday, one of the cooling fans on the radiator (the one on the
> > > driver's side) would continue to run after the vehicle was shut off. i
> > > guess that in itself is not so strange, my VW Jetta will continue to run
> > > the fan for a few minutes when it is really hot out, as it will continue
> > > to run the coolant through the engine if it is hot out. but, i am in
> > > maryland, and it is the dead of winter. and the fan didn't shut off, it
> > > ran until the battery died. so he got a jump so he could get to work
> > > today, and when he turned the engine off, the fan would continue to run. i
> > > disconnected the battery so that it wouldn't die. 8 hours later when we
> > > got off work, when i hooked the battery up again, the fan immediately
> > > turned back on. i checked the fuse box in the engine bay, and noticed that
> > > one of the relays in there was for the cooling fans. so with the battery
> > > disconnected again, i pulled out (what i thought was) the relay for the
> > > cooling fans, inspected it (it looked fine) and put it back in. i later
> > > realized that i had actually pulled the relay marked 'ASD', which
> > > according to the manual, is for the 'Auto Shutdown.' but, for whatever
> > > reason, the simple act of pulling out and reinserting the 'ASD' relay
> > > fixed the problem, or at the very least, fixed it for the time being.
> > >
> > > can anyone give me any insight into what exactly happened here? is the
> > > 'auto shutdown' relay for the circuity that turns that fan on and off?
> > > (the fan on the passenger side appears to always run, while the one on the
> > > driver side appears to run only when needed).
> > >
> > > erik
> > > '78 jeep CJ7, mostly stock
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