Coolant Loss With No Leaks On The Ground

Discussion in 'Other Auto Tech' started by Real time recon, Sep 12, 2017.

  1. 2002 Silverado 4X4 1500, w/150,000 miles stock factory 5.3L ,325 C.I. Vortec eng. W/ auto trans. This sucker is eating about 3 Qts. of coolant a year (2,500 -3,000 miles per year). And none is on the garage floor :thinking:
    What ya think ? A slightly blown head gasket ?
    And IF so.Have you tried this stuff ? http://store.gobdp.com/head-gasket-sealer-38386/
     
    #1 Real time recon, Sep 12, 2017
    Last edited: Sep 12, 2017
  2. Go to Advance or Zone and get their cooling system pressure test kit from their loaner tools. Top off the coolant and pressurize the system and see if the leak reveals itself.

    Do not put a stop/leak or sealer in a DexCool system. That :poo: is bad enough with old fashioned ethelyne glycol, it's an even bigger nightmare with an OAT coolant like DexCool.
     
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