DEX-COOL

  • Tiny
  • Msamgab
  • 1997 PONTIAC TRANSPORT
  • FWD
  • 118,000 MILES

I have 1 gal of prestone dex-cool extended life antifreeze/coolant do I have to add water to it

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Thursday, December 15th, 2011 AT 2:27 AM

3 Replies

  • Tiny
  • Fixitmr
  • MEMBER

Did you read the container for instructions?

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Thursday, December 15th, 2011 AT 2:46 AM
  • Tiny
  • Msamgab
  • MEMBER

How much is 50% and 30% of water, it donst say how water to add

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Thursday, December 15th, 2011 AT 2:28 PM
  • Tiny
  • Fixitmr
  • MEMBER

50% is called half and half. Equal parts of dex and water. 30% is 2/3 dex with 1/3 water. These are ratio's of a quantity. The quantity in your case is 1 gallon. So 1 gallon dex with 1 gallon water 50/50 or 1 gallon dex with gallon water. 30% would I gallon dex with 1/2 gallon water.

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Thursday, December 15th, 2011 AT 6:05 PM

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