Re: Jeep TJ, Coolant leaking from front oil pan gasket?
 

On Sat, 04 Aug 2007 13:03:20 -0700, Nick ------ <nixon8890@gmail.com>
wrote:

>Hi Folks,
>
>My 2000 Jeep TJ 6CYL 4.0L has been leaking coolant for some time.
>Originally, it appeared to leak from the top of the radiator. Given
>this, I replaced the radiator. Then it started leaking from where the
>lower hose connects to the radiator. I then tightened the hose on
>with hose clamps. Now its still leaking from what appears to be the
>front passenger side of the oil pan, between the gasket and the bottom
>of the oil pan below the serpentine belt. I'm pretty sure the leak
>isn't dripping from above hoses.
>
>The Jeep has almost 150k miles on it. I suspected a bad water pump,
>however there is no coolant leaking around the water pump gasket. I
>pulled the oil stick and confirmed the oil is brown, not milky white.
>When I changed the oil it didn't appear to have coolant mixed in. The
>cylinders are not misfiring. It's leaking about 1/3 gallon of coolant
>a drive.
>
>Does anyone have suggestions on the root cause? I was going to
>replace the water pump and thermostat, but the symptoms don't lead me
>to believe they are at fault. It seems like an over-pressure problem.
>
>Any insight is appreciated.
>
>Thanks so much,
>Nick

You might want to clean everything as best you can, then get a
pressure tester and look for leaks. It goes on in place of your
radiator cap and has a hand pump to pressurize your system. Places
like AutoZone, etc. sometimes loans them out.

Good luck
Darrell

Re: Jeep TJ, Coolant leaking from front oil pan gasket?
 

On Sat, 04 Aug 2007 13:03:20 -0700, Nick ------ <nixon8890@gmail.com>
wrote:

>Hi Folks,
>
>My 2000 Jeep TJ 6CYL 4.0L has been leaking coolant for some time.
>Originally, it appeared to leak from the top of the radiator. Given
>this, I replaced the radiator. Then it started leaking from where the
>lower hose connects to the radiator. I then tightened the hose on
>with hose clamps. Now its still leaking from what appears to be the
>front passenger side of the oil pan, between the gasket and the bottom
>of the oil pan below the serpentine belt. I'm pretty sure the leak
>isn't dripping from above hoses.
>
>The Jeep has almost 150k miles on it. I suspected a bad water pump,
>however there is no coolant leaking around the water pump gasket. I
>pulled the oil stick and confirmed the oil is brown, not milky white.
>When I changed the oil it didn't appear to have coolant mixed in. The
>cylinders are not misfiring. It's leaking about 1/3 gallon of coolant
>a drive.
>
>Does anyone have suggestions on the root cause? I was going to
>replace the water pump and thermostat, but the symptoms don't lead me
>to believe they are at fault. It seems like an over-pressure problem.
>
>Any insight is appreciated.
>
>Thanks so much,
>Nick

You might want to clean everything as best you can, then get a
pressure tester and look for leaks. It goes on in place of your
radiator cap and has a hand pump to pressurize your system. Places
like AutoZone, etc. sometimes loans them out.

Good luck
Darrell

Re: Jeep TJ, Coolant leaking from front oil pan gasket?
 

On Sat, 04 Aug 2007 13:03:20 -0700, Nick ------ <nixon8890@gmail.com>
wrote:

>Hi Folks,
>
>My 2000 Jeep TJ 6CYL 4.0L has been leaking coolant for some time.
>Originally, it appeared to leak from the top of the radiator. Given
>this, I replaced the radiator. Then it started leaking from where the
>lower hose connects to the radiator. I then tightened the hose on
>with hose clamps. Now its still leaking from what appears to be the
>front passenger side of the oil pan, between the gasket and the bottom
>of the oil pan below the serpentine belt. I'm pretty sure the leak
>isn't dripping from above hoses.
>
>The Jeep has almost 150k miles on it. I suspected a bad water pump,
>however there is no coolant leaking around the water pump gasket. I
>pulled the oil stick and confirmed the oil is brown, not milky white.
>When I changed the oil it didn't appear to have coolant mixed in. The
>cylinders are not misfiring. It's leaking about 1/3 gallon of coolant
>a drive.
>
>Does anyone have suggestions on the root cause? I was going to
>replace the water pump and thermostat, but the symptoms don't lead me
>to believe they are at fault. It seems like an over-pressure problem.
>
>Any insight is appreciated.
>
>Thanks so much,
>Nick

You might want to clean everything as best you can, then get a
pressure tester and look for leaks. It goes on in place of your
radiator cap and has a hand pump to pressurize your system. Places
like AutoZone, etc. sometimes loans them out.

Good luck
Darrell

Re: Jeep TJ, Coolant leaking from front oil pan gasket?
 

After you stop and it cools for a bit, reach down under the nose of the
waterpump just behind the pulley to see if you can feel wet. If so, the
pump seal is going.

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


Nick ------ wrote:
> Hi Folks,
>
> My 2000 Jeep TJ 6CYL 4.0L has been leaking coolant for some time.
> Originally, it appeared to leak from the top of the radiator. Given
> this, I replaced the radiator. Then it started leaking from where the
> lower hose connects to the radiator. I then tightened the hose on
> with hose clamps. Now its still leaking from what appears to be the
> front passenger side of the oil pan, between the gasket and the bottom
> of the oil pan below the serpentine belt. I'm pretty sure the leak
> isn't dripping from above hoses.
>
> The Jeep has almost 150k miles on it. I suspected a bad water pump,
> however there is no coolant leaking around the water pump gasket. I
> pulled the oil stick and confirmed the oil is brown, not milky white.
> When I changed the oil it didn't appear to have coolant mixed in. The
> cylinders are not misfiring. It's leaking about 1/3 gallon of coolant
> a drive.
>
> Does anyone have suggestions on the root cause? I was going to
> replace the water pump and thermostat, but the symptoms don't lead me
> to believe they are at fault. It seems like an over-pressure problem.
>
> Any insight is appreciated.
>
> Thanks so much,
> Nick
>

Re: Jeep TJ, Coolant leaking from front oil pan gasket?
 

After you stop and it cools for a bit, reach down under the nose of the
waterpump just behind the pulley to see if you can feel wet. If so, the
pump seal is going.

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


Nick ------ wrote:
> Hi Folks,
>
> My 2000 Jeep TJ 6CYL 4.0L has been leaking coolant for some time.
> Originally, it appeared to leak from the top of the radiator. Given
> this, I replaced the radiator. Then it started leaking from where the
> lower hose connects to the radiator. I then tightened the hose on
> with hose clamps. Now its still leaking from what appears to be the
> front passenger side of the oil pan, between the gasket and the bottom
> of the oil pan below the serpentine belt. I'm pretty sure the leak
> isn't dripping from above hoses.
>
> The Jeep has almost 150k miles on it. I suspected a bad water pump,
> however there is no coolant leaking around the water pump gasket. I
> pulled the oil stick and confirmed the oil is brown, not milky white.
> When I changed the oil it didn't appear to have coolant mixed in. The
> cylinders are not misfiring. It's leaking about 1/3 gallon of coolant
> a drive.
>
> Does anyone have suggestions on the root cause? I was going to
> replace the water pump and thermostat, but the symptoms don't lead me
> to believe they are at fault. It seems like an over-pressure problem.
>
> Any insight is appreciated.
>
> Thanks so much,
> Nick
>

Re: Jeep TJ, Coolant leaking from front oil pan gasket?
 

After you stop and it cools for a bit, reach down under the nose of the
waterpump just behind the pulley to see if you can feel wet. If so, the
pump seal is going.

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


Nick ------ wrote:
> Hi Folks,
>
> My 2000 Jeep TJ 6CYL 4.0L has been leaking coolant for some time.
> Originally, it appeared to leak from the top of the radiator. Given
> this, I replaced the radiator. Then it started leaking from where the
> lower hose connects to the radiator. I then tightened the hose on
> with hose clamps. Now its still leaking from what appears to be the
> front passenger side of the oil pan, between the gasket and the bottom
> of the oil pan below the serpentine belt. I'm pretty sure the leak
> isn't dripping from above hoses.
>
> The Jeep has almost 150k miles on it. I suspected a bad water pump,
> however there is no coolant leaking around the water pump gasket. I
> pulled the oil stick and confirmed the oil is brown, not milky white.
> When I changed the oil it didn't appear to have coolant mixed in. The
> cylinders are not misfiring. It's leaking about 1/3 gallon of coolant
> a drive.
>
> Does anyone have suggestions on the root cause? I was going to
> replace the water pump and thermostat, but the symptoms don't lead me
> to believe they are at fault. It seems like an over-pressure problem.
>
> Any insight is appreciated.
>
> Thanks so much,
> Nick
>

Re: Jeep TJ, Coolant leaking from front oil pan gasket?
 

After you stop and it cools for a bit, reach down under the nose of the
waterpump just behind the pulley to see if you can feel wet. If so, the
pump seal is going.

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


Nick ------ wrote:
> Hi Folks,
>
> My 2000 Jeep TJ 6CYL 4.0L has been leaking coolant for some time.
> Originally, it appeared to leak from the top of the radiator. Given
> this, I replaced the radiator. Then it started leaking from where the
> lower hose connects to the radiator. I then tightened the hose on
> with hose clamps. Now its still leaking from what appears to be the
> front passenger side of the oil pan, between the gasket and the bottom
> of the oil pan below the serpentine belt. I'm pretty sure the leak
> isn't dripping from above hoses.
>
> The Jeep has almost 150k miles on it. I suspected a bad water pump,
> however there is no coolant leaking around the water pump gasket. I
> pulled the oil stick and confirmed the oil is brown, not milky white.
> When I changed the oil it didn't appear to have coolant mixed in. The
> cylinders are not misfiring. It's leaking about 1/3 gallon of coolant
> a drive.
>
> Does anyone have suggestions on the root cause? I was going to
> replace the water pump and thermostat, but the symptoms don't lead me
> to believe they are at fault. It seems like an over-pressure problem.
>
> Any insight is appreciated.
>
> Thanks so much,
> Nick
>

Re: Jeep TJ, Coolant leaking from front oil pan gasket?
 

I still don't see any wetness around the water pump. In any case,
I'll try changing it and it's seal. I changed the oil today and did
notice that it was very BLACK. I think it was changed around 4k ago,
but I have never seen it this black. No signs of white or milky oil.

Thanks

On Aug 4, 5:52 pm, Mike Romain <roma...@sympatico.ca> wrote:
> After you stop and it cools for a bit, reach down under the nose of the
> waterpump just behind the pulley to see if you can feel wet. If so, the
> pump seal is going.
>
> Mike
> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> 88 Cherokee 235 BFG AT's - Gone to the rust pile...
> Canadian Off Road Trips Photos: Non members can still view!
> Jan/06http://www.imagestation.com/album/pictures.html?id=2115147590
> (More Off Road album links at bottom of the view page)
>
> Nick ------ wrote:
> > Hi Folks,
>
> > My 2000 Jeep TJ 6CYL 4.0L has been leaking coolant for some time.
> > Originally, it appeared to leak from the top of the radiator. Given
> > this, I replaced the radiator. Then it started leaking from where the
> > lower hose connects to the radiator. I then tightened the hose on
> > with hose clamps. Now its still leaking from what appears to be the
> > front passenger side of the oil pan, between the gasket and the bottom
> > of the oil pan below the serpentine belt. I'm pretty sure the leak
> > isn't dripping from above hoses.
>
> > The Jeep has almost 150k miles on it. I suspected a bad water pump,
> > however there is no coolant leaking around the water pump gasket. I
> > pulled the oil stick and confirmed the oil is brown, not milky white.
> > When I changed the oil it didn't appear to have coolant mixed in. The
> > cylinders are not misfiring. It's leaking about 1/3 gallon of coolant
> > a drive.
>
> > Does anyone have suggestions on the root cause? I was going to
> > replace the water pump and thermostat, but the symptoms don't lead me
> > to believe they are at fault. It seems like an over-pressure problem.
>
> > Any insight is appreciated.
>
> > Thanks so much,
> > Nick

Re: Jeep TJ, Coolant leaking from front oil pan gasket?
 

I still don't see any wetness around the water pump. In any case,
I'll try changing it and it's seal. I changed the oil today and did
notice that it was very BLACK. I think it was changed around 4k ago,
but I have never seen it this black. No signs of white or milky oil.

Thanks

On Aug 4, 5:52 pm, Mike Romain <roma...@sympatico.ca> wrote:
> After you stop and it cools for a bit, reach down under the nose of the
> waterpump just behind the pulley to see if you can feel wet. If so, the
> pump seal is going.
>
> Mike
> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> 88 Cherokee 235 BFG AT's - Gone to the rust pile...
> Canadian Off Road Trips Photos: Non members can still view!
> Jan/06http://www.imagestation.com/album/pictures.html?id=2115147590
> (More Off Road album links at bottom of the view page)
>
> Nick ------ wrote:
> > Hi Folks,
>
> > My 2000 Jeep TJ 6CYL 4.0L has been leaking coolant for some time.
> > Originally, it appeared to leak from the top of the radiator. Given
> > this, I replaced the radiator. Then it started leaking from where the
> > lower hose connects to the radiator. I then tightened the hose on
> > with hose clamps. Now its still leaking from what appears to be the
> > front passenger side of the oil pan, between the gasket and the bottom
> > of the oil pan below the serpentine belt. I'm pretty sure the leak
> > isn't dripping from above hoses.
>
> > The Jeep has almost 150k miles on it. I suspected a bad water pump,
> > however there is no coolant leaking around the water pump gasket. I
> > pulled the oil stick and confirmed the oil is brown, not milky white.
> > When I changed the oil it didn't appear to have coolant mixed in. The
> > cylinders are not misfiring. It's leaking about 1/3 gallon of coolant
> > a drive.
>
> > Does anyone have suggestions on the root cause? I was going to
> > replace the water pump and thermostat, but the symptoms don't lead me
> > to believe they are at fault. It seems like an over-pressure problem.
>
> > Any insight is appreciated.
>
> > Thanks so much,
> > Nick

Re: Jeep TJ, Coolant leaking from front oil pan gasket?
 

I still don't see any wetness around the water pump. In any case,
I'll try changing it and it's seal. I changed the oil today and did
notice that it was very BLACK. I think it was changed around 4k ago,
but I have never seen it this black. No signs of white or milky oil.

Thanks

On Aug 4, 5:52 pm, Mike Romain <roma...@sympatico.ca> wrote:
> After you stop and it cools for a bit, reach down under the nose of the
> waterpump just behind the pulley to see if you can feel wet. If so, the
> pump seal is going.
>
> Mike
> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> 88 Cherokee 235 BFG AT's - Gone to the rust pile...
> Canadian Off Road Trips Photos: Non members can still view!
> Jan/06http://www.imagestation.com/album/pictures.html?id=2115147590
> (More Off Road album links at bottom of the view page)
>
> Nick ------ wrote:
> > Hi Folks,
>
> > My 2000 Jeep TJ 6CYL 4.0L has been leaking coolant for some time.
> > Originally, it appeared to leak from the top of the radiator. Given
> > this, I replaced the radiator. Then it started leaking from where the
> > lower hose connects to the radiator. I then tightened the hose on
> > with hose clamps. Now its still leaking from what appears to be the
> > front passenger side of the oil pan, between the gasket and the bottom
> > of the oil pan below the serpentine belt. I'm pretty sure the leak
> > isn't dripping from above hoses.
>
> > The Jeep has almost 150k miles on it. I suspected a bad water pump,
> > however there is no coolant leaking around the water pump gasket. I
> > pulled the oil stick and confirmed the oil is brown, not milky white.
> > When I changed the oil it didn't appear to have coolant mixed in. The
> > cylinders are not misfiring. It's leaking about 1/3 gallon of coolant
> > a drive.
>
> > Does anyone have suggestions on the root cause? I was going to
> > replace the water pump and thermostat, but the symptoms don't lead me
> > to believe they are at fault. It seems like an over-pressure problem.
>
> > Any insight is appreciated.
>
> > Thanks so much,
> > Nick