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filled coolant tank yesterday and I think it is leaking?

I filled my coolant tank yesterday in my 2000 plymouth Grand Voyager SE as it was super low. After doing so I noticed there was a lot of we spots on the pavement under it. So then this morning I took it down town then came back. A little later i went outside and moved it and there was some more spots on the pavement. So I looked in the tank and it was lower then yesterday. However my raidiator is full still. Is this a leak in the coolant tank? If so how much do they cost?

3 Answers

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  • ?
    Lv 6
    9 years ago
    Favorite Answer

    A slow leak probably might want to check the hoses and the radiator as well

  • 9 years ago

    At 12 years old it is definitely possible the reservoir is leaking. After market replacements are typically on the low side of $50 and are usually fairly simple DIY jobs (yeah, that is what I thought on my daughter's Chevy!) However, leaking reservoirs are usually the result of cracking, causing big leaks. It may be just a grommet, like for a coolant warning sensor.

    Source(s): 35 years maintaining my own cars
  • Ben
    Lv 4
    9 years ago

    The best way to test this is to take it to a local garage and get the coolant system preasure tested, this will tell you exactly where the leak is coming from, and/or even if there is a leak or not, it should be safe to drive for now but keep and eye on the coolant level and get it checked as soon as possible....

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