when I opened the hood on my truck this morning to do the pre trip I noticed I was 1/2 gal low on coolant. I did have a leaky clamp on the upper rad hose the other day but I didn't loose enought to make a difference in the level so I started checking around and noticed some coolant residue on the passenger side of the engine around the oil filter base. There also appeared to be the reminents of some coolant residue on the housing that is below the turbo and behind the waterpump(the piece that has the engine data on it). I checked for leaks while the engine was running and couldn't find any and checked all the hoses and clamps around that area and couldn't find where any of them had been leaking. any ideas what could be the cause of this?
coolant leak on acert cat
Discussion in 'Trucks [ Eighteen Wheelers ]' started by gunner76, Nov 21, 2011.
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Could be a cold water leak from the o-ring in front of oil cooler,or the blue hose on top of oil cooler.
gunner76 Thanks this. -
gunner76 Thanks this.
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I think it might be a cold water leak. I had the truck already plugged in before I opened the hood this morning and after cleaning up the residue I watched it while the truck warmned up and could see any leaks. I also checked it everytime I stopped today and no leaks. It's supposed to get down to 25* tonight, so I didn't plug the truck in and we'll see if there are any leaks in the morning.
I checked all the hoses and the clamps were tight. I also couldn't see any signs that they were leaking. My mechanic seems to think by my description that it might be the o rings in the oil cooler. If that is what it is I hope it doesn't get too bad since the repair shop I use is swamped this week can't get it in the shop until tues next week. -
If it is the oring,u should b ok for a while.Just plug it up and then u can make plans on getting it fixed and maybe not miss any work.
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if the leak residue is on top of oil cooler its the precooler or your blowing water out the exhaust,then you have a bigger issue.
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I just had to replace my precooler it was busted and it ran my crazy for weeks i was losing 2 gallons of water a day
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