no coolant in overflow tank
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This is a discussion on no coolant in overflow tank within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; I have a coolant problem that's been puzzling me: I recently had my mechanic change my thermostat and radiator hoses. ...

  1. #1
    Registered User
    Join Date
    Aug 2010

    no coolant in overflow tank

    I have a coolant problem that's been puzzling me:
    I recently had my mechanic change my thermostat and radiator hoses. They also added more coolant since all of mine escaped through a damaged radiator hose.
    The other day, i checked my coolant level in the overflow tank and noticed that it was dry (i checked on a hot and cold engine, however, there was plenty of coolant when i opened up the radiator cap).
    Does anyone have any suggestions as to what maybe causing the overflow tank to be dry? Should i check if there is a block in the system or a pocket of air? Thanks!

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  3. #2
    Super Moderator (Actually a SuperSpy) SD_GR's Avatar
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    Jul 2002
    CA, US
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    Most likely causes are nothing, or an air pocket. If the car is not overheating assume it's nothing and top it up. If you have to do this repeatedly and it gets old then burp the system. Since a pro did the previous work assume at least for now it's been done correctly -- searching for a leak could yield a false positive since residue could be from the repair rather than a new active leak.
    The world breaks everyone and afterward many are strong in the broken places. But those that will not break it kills. It kills the very good and the very gentle and the very brave impartially. If you are none of these you can be sure it will kill you too but there will be no special hurry. Ernest Hemingway, A Farewell to Arms, 1929
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