Whiteshark Posted April 5, 2007 Share Posted April 5, 2007 hey guys...I'm having an overheating problem all the water from the resevoir is being leaked out...what gives ?? any help is very appreciated.. Link to comment Share on other sites More sharing options...
DirtyComanche Posted April 5, 2007 Share Posted April 5, 2007 Help us first. Year? Engine? Stock? Sounds like you have a leak though :eek: Link to comment Share on other sites More sharing options...
JeepcoMJ Posted April 5, 2007 Share Posted April 5, 2007 buy a new reservoir...that sounds like a leaky one to me Link to comment Share on other sites More sharing options...
500 MJ Posted April 5, 2007 Share Posted April 5, 2007 x2 on checking for a crack in the resivoir or bad hoses. Other options the head gasket? Link to comment Share on other sites More sharing options...
Whiteshark Posted April 6, 2007 Author Share Posted April 6, 2007 well it is a 1989 stock 4.0 six cylinder....but why would it be gettin hott??? Link to comment Share on other sites More sharing options...
DirtyComanche Posted April 6, 2007 Share Posted April 6, 2007 well it is a 1989 stock 4.0 six cylinder....but why would it be gettin hott??? With that cooling system, the resevoir is pressurized (much like more modern systems). If there is a leak ANYWHERE in the system - you will lose pressure and it will heat up far more rapidly. Typically those bottles get old and cracked, then they start to leak. Check it, and the cap. Check the hose connectors all over the place. Check the hoses too. Check there's no coolant in the oil (worst case scenario). And make sure she doesn't blow white smoke out of the tail-pipe. If it all checks out okay and the coolant level is still dropping.... then I'll be damned :nuts: Link to comment Share on other sites More sharing options...
500 MJ Posted April 6, 2007 Share Posted April 6, 2007 I had a head gasket on my 2.2L S-10 leak down the outside rear of the block once. No coolant in the oil so it took me forever to find it on the backside of the engine...pressure check found it. Link to comment Share on other sites More sharing options...
Oizarod115 Posted April 6, 2007 Share Posted April 6, 2007 make sure to get a pressure bottle replacement though if you do replace that 'resovoir' i got mine OEM for about 45 bucks with a cap. if it runs hot but deosnt leak fluid is when you have problems. Link to comment Share on other sites More sharing options...
87manche Posted April 6, 2007 Share Posted April 6, 2007 make sure to get a pressure bottle replacement though if you do replace that 'resovoir' i got mine OEM for about 45 bucks with a cap. if it runs hot but deosnt leak fluid is when you have problems. quadratec has them, crown auto parts, seemed just as good as the original I took off, $25 at my door. Link to comment Share on other sites More sharing options...
MJchick Posted April 6, 2007 Share Posted April 6, 2007 I had the same problem with my MJ recently, my resevoir is leaking to. We found out that a couple of years ago there was a recall on those bottles because the cap ends up leaking. Mine still leaks for now till I go get the new bottle on the 13th but, we did fix my overheating problem. We replaced all the rad hoses and changed the thermostat and it hasn't overheated since.It's actually running cooler then it has since I've been driving it. We just have to keep checking my coolant level till I change the resevoir. Link to comment Share on other sites More sharing options...
Whiteshark Posted April 6, 2007 Author Share Posted April 6, 2007 thnx yall i checked the resevoir and found the leak i should be gettin a new one ...appreciate your alls help... Link to comment Share on other sites More sharing options...
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