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Re: Coolant Issue
[Re: Mopar_Country]
#971423
04/11/11 08:39 PM
04/11/11 08:39 PM
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Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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Need to borrow one of those Stant radiator pump kits & see if the cap holds ~15 psi b 4 it releases and pull into the driveway w it hot/shut it off/take off the cap and pump the rad up to 15 psi & let it sit & check back and on a small leak may need to let it sit up overnight but w your amt of loss it prob wont take that long for the gauge to drop (hope it's external so you can spot it) EDIT other options a rad shop can draw the air in the rad neck up into some blue fluid w their kit & it'll turn yellow if combustion gasses are present and if you have an emissions testing stn closeby they can set the probe in the same airspace in the rad neck & know in seconds if there are combustion gasses present
Last edited by RapidRobert; 04/11/11 08:42 PM.
live every 24 hour block of time like it's your last day on earth
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Re: Coolant Issue
[Re: Mopar_Country]
#971425
04/11/11 09:37 PM
04/11/11 09:37 PM
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Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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You dont use it too often but on occaision it's good. yeah if you can find one at a good price
live every 24 hour block of time like it's your last day on earth
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Re: Coolant Issue
[Re: Mopar_Country]
#971427
04/11/11 09:42 PM
04/11/11 09:42 PM
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Joined: Apr 2008
Posts: 233
WV,USA
wvmarv
enthusiast
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enthusiast
Joined: Apr 2008
Posts: 233
WV,USA
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Quote:
Don't shoot me I'm only the messenger! LOL My kid's car 97 Chivy Lumina V6 has a strange issue with coolant loss. It runs up in temp sometimes almost to overheating, but doesn't have the symptoms of overheating. It does use coolant and I can find no leaks, no white smoke out of the exhaust and no water in oil. 
I checked the radiator today for water movement and it appears to be flowing. Electric fans are kicking in. I am stumped. Any help would be greatly appreciated.
Those 3.1 and 3.4 v6's are notorious for leaking head gaskets. Check the right head, the one closest to the firewall on front corner by the exhaust manifold. It is very hard to see and you may need a mirror.They leak there and it is evaporated by the hot exhaust manifold until it gets fairly bad. Also, those are hard to get full unless you bleed them, if I remember right there is a bleeder screw at the back of the intake plenum. Been a long time since I have worked on one of those, and my memory is not as good as it used to be. Also isn't the water pump on those behind the timing belt cover? Ithink it is and it may be leaking and not getting onto the ground until you are driving it. 
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Re: Coolant Issue
[Re: RapidRobert]
#971429
04/11/11 09:50 PM
04/11/11 09:50 PM
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Joined: Apr 2008
Posts: 233
WV,USA
wvmarv
enthusiast
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enthusiast
Joined: Apr 2008
Posts: 233
WV,USA
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Quote:
Need to borrow one of those Stant radiator pump kits & see if the cap holds ~15 psi b 4 it releases and pull into the driveway w it hot/shut it off/take off the cap and pump the rad up to 15 psi & let it sit & check back and on a small leak may need to let it sit up overnight but w your amt of loss it prob wont take that long for the gauge to drop (hope it's external so you can spot it) EDIT other options a rad shop can draw the air in the rad neck up into some blue fluid w their kit & it'll turn yellow if combustion gasses are present and if you have an emissions testing stn closeby they can set the probe in the same airspace in the rad neck & know in seconds if there are combustion gasses present
 NEVER EVER REMOVE A RADIATOR CAP ON HOT ENGINE UNLESS YOU WANT TO GET BADLY BURNED. COOLANT WILL BLOW OUT AROUND THE CAP AND POSSIBLY IN YOUR FACE. Anyone who knows anything about cooling systems will tell you Not to do that. 
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