Followup-- 2000 JGC V-8 still overheating
01-18-2007, 12:33 PM
#311
Guest
Posts: n/a
Re: Followup-- 2000 JGC V-8 still overheating
SnoMan wrote:
> On Thu, 18 Jan 2007 10:24:14 -0500, Mike Romain <romainm@sympatico.ca>
> wrote:
>
>> The CJ7 has the 4 bladed fixed fan, no clutch there, it just roars all
>> the time. A fan shroud also might be in order, it didn't come with one.
>
>
> COnsider a aftermarket flex fan because it will move more air at lower
> RPMs and feather out a bit at higher speed limiting air flow and noise
> and a stock fixed fan does neither. I have a old J20 with a clutch fan
> but when I used to work it hard towing horse trailers in summer heat
> to trail ride year ago I removed clutch fan and installed a big clutch
> fan in its place. Yes it was noisy at times but temp gage never moved
> even towing in hot weather and it ran better too because it kept
> underhood temps lower as well from increased airflow at all times and
> the cab a bit cooler too (it has no A/C) because things where a bit
> cooler up front including firewall. .
> -----------------
> TheSnoMan.com
The problem with a clutch or flex fan is I off road a lot. When
crossing 40" or so of water, a flex fan would likely take out my rad. I
have this monster 7 bladed thing sitting out in the garage.
I never have low speed issues with the CJ7, only high speed.
I/we also kill the clutch fans 'really' fast. The slightest bit of mud
gets in them and turns to liquid sandpaper destroying the seal. We are
on the 3rd clutch fan on the XJ. The parts seem to 'just' survive the
warranty period.
Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)
> On Thu, 18 Jan 2007 10:24:14 -0500, Mike Romain <romainm@sympatico.ca>
> wrote:
>
>> The CJ7 has the 4 bladed fixed fan, no clutch there, it just roars all
>> the time. A fan shroud also might be in order, it didn't come with one.
>
>
> COnsider a aftermarket flex fan because it will move more air at lower
> RPMs and feather out a bit at higher speed limiting air flow and noise
> and a stock fixed fan does neither. I have a old J20 with a clutch fan
> but when I used to work it hard towing horse trailers in summer heat
> to trail ride year ago I removed clutch fan and installed a big clutch
> fan in its place. Yes it was noisy at times but temp gage never moved
> even towing in hot weather and it ran better too because it kept
> underhood temps lower as well from increased airflow at all times and
> the cab a bit cooler too (it has no A/C) because things where a bit
> cooler up front including firewall. .
> -----------------
> TheSnoMan.com
The problem with a clutch or flex fan is I off road a lot. When
crossing 40" or so of water, a flex fan would likely take out my rad. I
have this monster 7 bladed thing sitting out in the garage.
I never have low speed issues with the CJ7, only high speed.
I/we also kill the clutch fans 'really' fast. The slightest bit of mud
gets in them and turns to liquid sandpaper destroying the seal. We are
on the 3rd clutch fan on the XJ. The parts seem to 'just' survive the
warranty period.
Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)
01-18-2007, 12:33 PM
#312
Guest
Posts: n/a
Re: Followup-- 2000 JGC V-8 still overheating
SnoMan wrote:
> On Thu, 18 Jan 2007 10:24:14 -0500, Mike Romain <romainm@sympatico.ca>
> wrote:
>
>> The CJ7 has the 4 bladed fixed fan, no clutch there, it just roars all
>> the time. A fan shroud also might be in order, it didn't come with one.
>
>
> COnsider a aftermarket flex fan because it will move more air at lower
> RPMs and feather out a bit at higher speed limiting air flow and noise
> and a stock fixed fan does neither. I have a old J20 with a clutch fan
> but when I used to work it hard towing horse trailers in summer heat
> to trail ride year ago I removed clutch fan and installed a big clutch
> fan in its place. Yes it was noisy at times but temp gage never moved
> even towing in hot weather and it ran better too because it kept
> underhood temps lower as well from increased airflow at all times and
> the cab a bit cooler too (it has no A/C) because things where a bit
> cooler up front including firewall. .
> -----------------
> TheSnoMan.com
The problem with a clutch or flex fan is I off road a lot. When
crossing 40" or so of water, a flex fan would likely take out my rad. I
have this monster 7 bladed thing sitting out in the garage.
I never have low speed issues with the CJ7, only high speed.
I/we also kill the clutch fans 'really' fast. The slightest bit of mud
gets in them and turns to liquid sandpaper destroying the seal. We are
on the 3rd clutch fan on the XJ. The parts seem to 'just' survive the
warranty period.
Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)
> On Thu, 18 Jan 2007 10:24:14 -0500, Mike Romain <romainm@sympatico.ca>
> wrote:
>
>> The CJ7 has the 4 bladed fixed fan, no clutch there, it just roars all
>> the time. A fan shroud also might be in order, it didn't come with one.
>
>
> COnsider a aftermarket flex fan because it will move more air at lower
> RPMs and feather out a bit at higher speed limiting air flow and noise
> and a stock fixed fan does neither. I have a old J20 with a clutch fan
> but when I used to work it hard towing horse trailers in summer heat
> to trail ride year ago I removed clutch fan and installed a big clutch
> fan in its place. Yes it was noisy at times but temp gage never moved
> even towing in hot weather and it ran better too because it kept
> underhood temps lower as well from increased airflow at all times and
> the cab a bit cooler too (it has no A/C) because things where a bit
> cooler up front including firewall. .
> -----------------
> TheSnoMan.com
The problem with a clutch or flex fan is I off road a lot. When
crossing 40" or so of water, a flex fan would likely take out my rad. I
have this monster 7 bladed thing sitting out in the garage.
I never have low speed issues with the CJ7, only high speed.
I/we also kill the clutch fans 'really' fast. The slightest bit of mud
gets in them and turns to liquid sandpaper destroying the seal. We are
on the 3rd clutch fan on the XJ. The parts seem to 'just' survive the
warranty period.
Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)
01-18-2007, 12:33 PM
#313
Guest
Posts: n/a
Re: Followup-- 2000 JGC V-8 still overheating
SnoMan wrote:
> On Thu, 18 Jan 2007 10:24:14 -0500, Mike Romain <romainm@sympatico.ca>
> wrote:
>
>> The CJ7 has the 4 bladed fixed fan, no clutch there, it just roars all
>> the time. A fan shroud also might be in order, it didn't come with one.
>
>
> COnsider a aftermarket flex fan because it will move more air at lower
> RPMs and feather out a bit at higher speed limiting air flow and noise
> and a stock fixed fan does neither. I have a old J20 with a clutch fan
> but when I used to work it hard towing horse trailers in summer heat
> to trail ride year ago I removed clutch fan and installed a big clutch
> fan in its place. Yes it was noisy at times but temp gage never moved
> even towing in hot weather and it ran better too because it kept
> underhood temps lower as well from increased airflow at all times and
> the cab a bit cooler too (it has no A/C) because things where a bit
> cooler up front including firewall. .
> -----------------
> TheSnoMan.com
The problem with a clutch or flex fan is I off road a lot. When
crossing 40" or so of water, a flex fan would likely take out my rad. I
have this monster 7 bladed thing sitting out in the garage.
I never have low speed issues with the CJ7, only high speed.
I/we also kill the clutch fans 'really' fast. The slightest bit of mud
gets in them and turns to liquid sandpaper destroying the seal. We are
on the 3rd clutch fan on the XJ. The parts seem to 'just' survive the
warranty period.
Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)
> On Thu, 18 Jan 2007 10:24:14 -0500, Mike Romain <romainm@sympatico.ca>
> wrote:
>
>> The CJ7 has the 4 bladed fixed fan, no clutch there, it just roars all
>> the time. A fan shroud also might be in order, it didn't come with one.
>
>
> COnsider a aftermarket flex fan because it will move more air at lower
> RPMs and feather out a bit at higher speed limiting air flow and noise
> and a stock fixed fan does neither. I have a old J20 with a clutch fan
> but when I used to work it hard towing horse trailers in summer heat
> to trail ride year ago I removed clutch fan and installed a big clutch
> fan in its place. Yes it was noisy at times but temp gage never moved
> even towing in hot weather and it ran better too because it kept
> underhood temps lower as well from increased airflow at all times and
> the cab a bit cooler too (it has no A/C) because things where a bit
> cooler up front including firewall. .
> -----------------
> TheSnoMan.com
The problem with a clutch or flex fan is I off road a lot. When
crossing 40" or so of water, a flex fan would likely take out my rad. I
have this monster 7 bladed thing sitting out in the garage.
I never have low speed issues with the CJ7, only high speed.
I/we also kill the clutch fans 'really' fast. The slightest bit of mud
gets in them and turns to liquid sandpaper destroying the seal. We are
on the 3rd clutch fan on the XJ. The parts seem to 'just' survive the
warranty period.
Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)
01-18-2007, 01:04 PM
#314
Guest
Posts: n/a
Re: Re: Followup-- 2000 JGC V-8 still overheating
On Thu, 18 Jan 2007 12:33:58 -0500, Mike Romain <romainm@sympatico.ca>
wrote:
>I/we also kill the clutch fans 'really' fast. The slightest bit of mud
>gets in them and turns to liquid sandpaper destroying the seal. We are
>on the 3rd clutch fan on the XJ. The parts seem to 'just' survive the
>warranty period.
I used tohave a problem with salt and moisture getting down into the
bearings on the motor of my salt ------er by wearing away the seal
located on top of motor mounted on the bottom of a mounting plate. I
went out and got several o-rings to stack on the shaft between top of
plate the shaft passes through and impeller an apply water proof
grease to it and the shaft and where it passes through plate . Since
then I have had no more problems. The point of this it possibly you
could make a slinger shield of some kind that would keep mud away from
hub seal area that you could clamp on. Food for thought anyway.
-----------------
TheSnoMan.com
wrote:
>I/we also kill the clutch fans 'really' fast. The slightest bit of mud
>gets in them and turns to liquid sandpaper destroying the seal. We are
>on the 3rd clutch fan on the XJ. The parts seem to 'just' survive the
>warranty period.
I used tohave a problem with salt and moisture getting down into the
bearings on the motor of my salt ------er by wearing away the seal
located on top of motor mounted on the bottom of a mounting plate. I
went out and got several o-rings to stack on the shaft between top of
plate the shaft passes through and impeller an apply water proof
grease to it and the shaft and where it passes through plate . Since
then I have had no more problems. The point of this it possibly you
could make a slinger shield of some kind that would keep mud away from
hub seal area that you could clamp on. Food for thought anyway.
-----------------
TheSnoMan.com
01-18-2007, 01:04 PM
#315
Guest
Posts: n/a
Re: Re: Followup-- 2000 JGC V-8 still overheating
On Thu, 18 Jan 2007 12:33:58 -0500, Mike Romain <romainm@sympatico.ca>
wrote:
>I/we also kill the clutch fans 'really' fast. The slightest bit of mud
>gets in them and turns to liquid sandpaper destroying the seal. We are
>on the 3rd clutch fan on the XJ. The parts seem to 'just' survive the
>warranty period.
I used tohave a problem with salt and moisture getting down into the
bearings on the motor of my salt ------er by wearing away the seal
located on top of motor mounted on the bottom of a mounting plate. I
went out and got several o-rings to stack on the shaft between top of
plate the shaft passes through and impeller an apply water proof
grease to it and the shaft and where it passes through plate . Since
then I have had no more problems. The point of this it possibly you
could make a slinger shield of some kind that would keep mud away from
hub seal area that you could clamp on. Food for thought anyway.
-----------------
TheSnoMan.com
wrote:
>I/we also kill the clutch fans 'really' fast. The slightest bit of mud
>gets in them and turns to liquid sandpaper destroying the seal. We are
>on the 3rd clutch fan on the XJ. The parts seem to 'just' survive the
>warranty period.
I used tohave a problem with salt and moisture getting down into the
bearings on the motor of my salt ------er by wearing away the seal
located on top of motor mounted on the bottom of a mounting plate. I
went out and got several o-rings to stack on the shaft between top of
plate the shaft passes through and impeller an apply water proof
grease to it and the shaft and where it passes through plate . Since
then I have had no more problems. The point of this it possibly you
could make a slinger shield of some kind that would keep mud away from
hub seal area that you could clamp on. Food for thought anyway.
-----------------
TheSnoMan.com
01-18-2007, 01:04 PM
#316
Guest
Posts: n/a
Re: Re: Followup-- 2000 JGC V-8 still overheating
On Thu, 18 Jan 2007 12:33:58 -0500, Mike Romain <romainm@sympatico.ca>
wrote:
>I/we also kill the clutch fans 'really' fast. The slightest bit of mud
>gets in them and turns to liquid sandpaper destroying the seal. We are
>on the 3rd clutch fan on the XJ. The parts seem to 'just' survive the
>warranty period.
I used tohave a problem with salt and moisture getting down into the
bearings on the motor of my salt ------er by wearing away the seal
located on top of motor mounted on the bottom of a mounting plate. I
went out and got several o-rings to stack on the shaft between top of
plate the shaft passes through and impeller an apply water proof
grease to it and the shaft and where it passes through plate . Since
then I have had no more problems. The point of this it possibly you
could make a slinger shield of some kind that would keep mud away from
hub seal area that you could clamp on. Food for thought anyway.
-----------------
TheSnoMan.com
wrote:
>I/we also kill the clutch fans 'really' fast. The slightest bit of mud
>gets in them and turns to liquid sandpaper destroying the seal. We are
>on the 3rd clutch fan on the XJ. The parts seem to 'just' survive the
>warranty period.
I used tohave a problem with salt and moisture getting down into the
bearings on the motor of my salt ------er by wearing away the seal
located on top of motor mounted on the bottom of a mounting plate. I
went out and got several o-rings to stack on the shaft between top of
plate the shaft passes through and impeller an apply water proof
grease to it and the shaft and where it passes through plate . Since
then I have had no more problems. The point of this it possibly you
could make a slinger shield of some kind that would keep mud away from
hub seal area that you could clamp on. Food for thought anyway.
-----------------
TheSnoMan.com
01-18-2007, 01:04 PM
#317
Guest
Posts: n/a
Re: Re: Followup-- 2000 JGC V-8 still overheating
On Thu, 18 Jan 2007 12:33:58 -0500, Mike Romain <romainm@sympatico.ca>
wrote:
>I/we also kill the clutch fans 'really' fast. The slightest bit of mud
>gets in them and turns to liquid sandpaper destroying the seal. We are
>on the 3rd clutch fan on the XJ. The parts seem to 'just' survive the
>warranty period.
I used tohave a problem with salt and moisture getting down into the
bearings on the motor of my salt ------er by wearing away the seal
located on top of motor mounted on the bottom of a mounting plate. I
went out and got several o-rings to stack on the shaft between top of
plate the shaft passes through and impeller an apply water proof
grease to it and the shaft and where it passes through plate . Since
then I have had no more problems. The point of this it possibly you
could make a slinger shield of some kind that would keep mud away from
hub seal area that you could clamp on. Food for thought anyway.
-----------------
TheSnoMan.com
wrote:
>I/we also kill the clutch fans 'really' fast. The slightest bit of mud
>gets in them and turns to liquid sandpaper destroying the seal. We are
>on the 3rd clutch fan on the XJ. The parts seem to 'just' survive the
>warranty period.
I used tohave a problem with salt and moisture getting down into the
bearings on the motor of my salt ------er by wearing away the seal
located on top of motor mounted on the bottom of a mounting plate. I
went out and got several o-rings to stack on the shaft between top of
plate the shaft passes through and impeller an apply water proof
grease to it and the shaft and where it passes through plate . Since
then I have had no more problems. The point of this it possibly you
could make a slinger shield of some kind that would keep mud away from
hub seal area that you could clamp on. Food for thought anyway.
-----------------
TheSnoMan.com
01-18-2007, 04:15 PM
#318
Guest
Posts: n/a
Re: Re: Re: Followup-- 2000 JGC V-8 still overheating
It seems odd that you have never seen a fan sling mud and water everywhere.
This is a common occurrence in the mid-west. Do you live in the desert?
"SnoMan" <admin@snoman.com> wrote in message
news:4kavq2t02n3nqs2kb6r48g2u7sntumdvcl@4ax.com...
> On Thu, 18 Jan 2007 07:23:51 -0800, "Carl"
> <carlsaiyed@hotmailREMOVE.com> wrote:
>
>>The trouble with a flex fan is if you hit mud or deep water its going
>>EVERYWHERE and probably going to damage the fan.
>
>
> Never seen it happen. The worst that might happen is you might throw a
> belt. Mud has to get through raditor and shroud to get to fan (water
> is not a problem) and if that much mud gets through raditor then it is
> toast and you will not be running long regardless of fan type.
> -----------------
> TheSnoMan.com
This is a common occurrence in the mid-west. Do you live in the desert?
"SnoMan" <admin@snoman.com> wrote in message
news:4kavq2t02n3nqs2kb6r48g2u7sntumdvcl@4ax.com...
> On Thu, 18 Jan 2007 07:23:51 -0800, "Carl"
> <carlsaiyed@hotmailREMOVE.com> wrote:
>
>>The trouble with a flex fan is if you hit mud or deep water its going
>>EVERYWHERE and probably going to damage the fan.
>
>
> Never seen it happen. The worst that might happen is you might throw a
> belt. Mud has to get through raditor and shroud to get to fan (water
> is not a problem) and if that much mud gets through raditor then it is
> toast and you will not be running long regardless of fan type.
> -----------------
> TheSnoMan.com
01-18-2007, 04:15 PM
#319
Guest
Posts: n/a
Re: Re: Re: Followup-- 2000 JGC V-8 still overheating
It seems odd that you have never seen a fan sling mud and water everywhere.
This is a common occurrence in the mid-west. Do you live in the desert?
"SnoMan" <admin@snoman.com> wrote in message
news:4kavq2t02n3nqs2kb6r48g2u7sntumdvcl@4ax.com...
> On Thu, 18 Jan 2007 07:23:51 -0800, "Carl"
> <carlsaiyed@hotmailREMOVE.com> wrote:
>
>>The trouble with a flex fan is if you hit mud or deep water its going
>>EVERYWHERE and probably going to damage the fan.
>
>
> Never seen it happen. The worst that might happen is you might throw a
> belt. Mud has to get through raditor and shroud to get to fan (water
> is not a problem) and if that much mud gets through raditor then it is
> toast and you will not be running long regardless of fan type.
> -----------------
> TheSnoMan.com
This is a common occurrence in the mid-west. Do you live in the desert?
"SnoMan" <admin@snoman.com> wrote in message
news:4kavq2t02n3nqs2kb6r48g2u7sntumdvcl@4ax.com...
> On Thu, 18 Jan 2007 07:23:51 -0800, "Carl"
> <carlsaiyed@hotmailREMOVE.com> wrote:
>
>>The trouble with a flex fan is if you hit mud or deep water its going
>>EVERYWHERE and probably going to damage the fan.
>
>
> Never seen it happen. The worst that might happen is you might throw a
> belt. Mud has to get through raditor and shroud to get to fan (water
> is not a problem) and if that much mud gets through raditor then it is
> toast and you will not be running long regardless of fan type.
> -----------------
> TheSnoMan.com
01-18-2007, 04:15 PM
#320
Guest
Posts: n/a
Re: Re: Re: Followup-- 2000 JGC V-8 still overheating
It seems odd that you have never seen a fan sling mud and water everywhere.
This is a common occurrence in the mid-west. Do you live in the desert?
"SnoMan" <admin@snoman.com> wrote in message
news:4kavq2t02n3nqs2kb6r48g2u7sntumdvcl@4ax.com...
> On Thu, 18 Jan 2007 07:23:51 -0800, "Carl"
> <carlsaiyed@hotmailREMOVE.com> wrote:
>
>>The trouble with a flex fan is if you hit mud or deep water its going
>>EVERYWHERE and probably going to damage the fan.
>
>
> Never seen it happen. The worst that might happen is you might throw a
> belt. Mud has to get through raditor and shroud to get to fan (water
> is not a problem) and if that much mud gets through raditor then it is
> toast and you will not be running long regardless of fan type.
> -----------------
> TheSnoMan.com
This is a common occurrence in the mid-west. Do you live in the desert?
"SnoMan" <admin@snoman.com> wrote in message
news:4kavq2t02n3nqs2kb6r48g2u7sntumdvcl@4ax.com...
> On Thu, 18 Jan 2007 07:23:51 -0800, "Carl"
> <carlsaiyed@hotmailREMOVE.com> wrote:
>
>>The trouble with a flex fan is if you hit mud or deep water its going
>>EVERYWHERE and probably going to damage the fan.
>
>
> Never seen it happen. The worst that might happen is you might throw a
> belt. Mud has to get through raditor and shroud to get to fan (water
> is not a problem) and if that much mud gets through raditor then it is
> toast and you will not be running long regardless of fan type.
> -----------------
> TheSnoMan.com