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  1. R

    Cat 252B coolant reservoir overflowing

    I hadn't thought of an infra red thermometer, so I will give that a try. Thanks!
  2. R

    Cat 252B coolant reservoir overflowing

    Just wanted to update, went ahead and changed the head gasket and it seems to have fixed the problem. Thanks for all the help! The only thing I am having problems with now is I keep getting the hydraulic fluid temp alarm, keeps going in and out. Doesn't seem like the fluid is actually heating...
  3. R

    Cat 252B coolant reservoir overflowing

    I started it with the gauge hooked up. The pressure ran up to about 24 psi pretty quickly and then stayed at 24 psi, ran it for a couple of minutes.
  4. R

    Cat 252B coolant reservoir overflowing

    Did a pressure test on the system and lost about 0.5 psi in about 30 minutes.
  5. R

    Cat 252B coolant reservoir overflowing

    Nige, thank you for the info. I will see if I can get a pressurizing pump. If the head gasket was bad, shouldn't I have coolant in the oil or combustion gas in the coolant?
  6. R

    Cat 252B coolant reservoir overflowing

    Bobcat Crazy, it is supposed to test for bad head gaskets or a cracked block. It checks for gases being pushed through the bad head gasket in to the coolant system. Thanks for the info though! 512high: Its a 2005, serial number Scp02297
  7. R

    Cat 252B coolant reservoir overflowing

    I thought about the head gasket so that is why I did the combustible gas test and it tested fine.
  8. R

    Cat 252B coolant reservoir overflowing

    I have a cat 252b that I am having problems with. The coolant is bubbling in the overflow reservoir and overflowing. So far I put a new radiator cap on it and I checked it for combustable gas, which it tested fine. Any ideas for me to try?? Thanks
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