vapor locked
Thread Starter
Junior Member
Joined: Feb 2012
Posts: 66
Likes: 0
From: clayton nm
Year: 1988
Model: Cherokee
Engine: strait 6
ok so my jeep is shooting antifreeze from my recovery tank and i think it might be vapor locked if anyone has any ideas it will be very helpful
Seasoned Member
Joined: Jan 2012
Posts: 422
Likes: 0
From: Valley Park, MO
Year: 1989
Model: Cherokee
Engine: 4.0L Renix Freshly Rebuilt!!
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Senior Member
Joined: Jun 2011
Posts: 764
Likes: 0
From: New Mexico
Year: 1997
Model: Cherokee
Engine: 4.0
With the money youve dumped into this little guys cooling system you should have converted it to a open loop system. Secondly if you didnt back fill the system when the thermostat is closed you will (overflow) but once it opens up you should experiance basically the coolant system gulping down the fluid until its full. If its bubbling like a bastard.. you probably have a blown head....
CF Veteran
Joined: Apr 2009
Posts: 4,734
Likes: 12
Year: 2015, 2012
Model: Grand Cherokee (WK2)
Engine: 3.6L
My first thought was blown head gasket.
The Renix closed cooling system works fine as long as all the components are in good condition. Don't convert it.
The Renix closed cooling system works fine as long as all the components are in good condition. Don't convert it.
Last edited by Firestorm500; Apr 29, 2012 at 08:56 AM.
Thread Starter
Junior Member
Joined: Feb 2012
Posts: 66
Likes: 0
From: clayton nm
Year: 1988
Model: Cherokee
Engine: strait 6
ok i fixed the problem with a new coolant recovery tank i drove at about 85 for 60 miles and it did not do it again but..... i do have a new problem that involves oil pouring out of the bottom when i get up to high speeds for a long time lol im slowly slowly making progress in bringing a vihicle that has set for 8 years back to life
CF Veteran
Joined: Nov 2011
Posts: 2,322
Likes: 1
From: Edmonton
Year: 1990
Model: Cherokee
Engine: 4.0
Originally Posted by Firestorm500
My first thought was blown head gasket.
The Renix closed cooling system works fine as long as all the components are in good condition. Don't convert it.
The Renix closed cooling system works fine as long as all the components are in good condition. Don't convert it.
CF Veteran
Joined: Nov 2011
Posts: 2,322
Likes: 1
From: Edmonton
Year: 1990
Model: Cherokee
Engine: 4.0
Originally Posted by WyoWagner
ok i fixed the problem with a new coolant recovery tank i drove at about 85 for 60 miles and it did not do it again but..... i do have a new problem that involves oil pouring out of the bottom when i get up to high speeds for a long time lol im slowly slowly making progress in bringing a vihicle that has set for 8 years back to life
CF Veteran
Joined: Apr 2009
Posts: 4,734
Likes: 12
Year: 2015, 2012
Model: Grand Cherokee (WK2)
Engine: 3.6L


