Radiator Coolant Lines '99 Silverado 2500

Discussion in 'Chevy Truck Talk & GM News' started by bluebrick, Jan 5, 2012.

  1. bluebrick

    bluebrick New Member

    What size flare nut wrench is needed to remove/connect the flare nuts on the oil and transmission lines going into the radiator on a 1999 Silverado 2500. I understand that a flare nut wrench is better for these type connections? Also, after I install the new radiator do I just add coolant to the rese until it fills up? Thanks.

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