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I have a 2008 4Runner SR5 V6. I need to flush my cooling system. Does anyone know if I am supposed to use the red or pink coolant? Also, about how much do I need (I'm trying to decide if I need to order two containers)? I found some Pentofrost pink coolant on Amazon. Can I use that or is it imperative I use Toyota-brand coolant?

Answers from the Automotive Experts

Brandy Schaffels, Editor at AskPatty.com, Inc. You can download owner's manuals for your 2008 Toyota 4Runner at this Toyota link: http://www.toyota.com/owners/resources/owners-manuals?garagePrefVehicle=0&garageModelName=4Runner&garageYearValue=2008&addToVehicleList=false# According to the manual, “Toyota Super Long Life Coolant” is used in your Toyota vehicle at factory fill. In order to avoid technical problems, only use “Toyota Super Long Life Coolant” or similar high quality ethylene glycol based non'silicate, non'amine, non'nitrite, and non'borate coolant with long'life hybrid organic acid technology. (Coolant with long'life hybrid organic acid technology is a combination of low phosphates and organic acids.) Do not use plain water alone. Please contact your Toyota dealer for further details. While you MAY be able to use a different coolant, I would suggest that you stick with what your manual suggests. There is much discussion on the topic here: http://www.spyderchat.com/forums/showthread.php?58975-Factory-Toyota-Coolant-Questions-Red-Type-Pink-Type. You can always confirm your choice with your dealership, or for additional assistance, please find an AskPatty Certified Repair Shop at http://www.askpatty.com/search/?type=all&m=30&q=&keyword= and they can help you diagnose coolant and perform the flush.

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