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Coolant Flush Instructions?

Tiny
T. JOHN
  • MEMBER
  • 2005 TOYOTA 4RUNNER
  • V6
  • 2WD
  • AUTOMATIC
  • 220,489 MILES
I bought the vehicle listed above sr5 v6 in 9-15. I have had it now for 8 years. I have not had a coolant flush, had the radiator hoses or thermostat replaced. Me and a friend are going to do a flush on the 4runner. As you know I am sure. There is a skid plate underneath and the peacock valve in under the skid plate. Is there a way to do the flush without removing the plate? Also, would you recommend replacing the hoses/thermostat?
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Sunday, October 15th, 2023 AT 7:05 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,397 POSTS
Yes, it is a good idea to replace the upper and lower radiator hoses along with the thermostat. Here is a guide to help you with the flush and I have included instructions for your vehicle in the images below:

https://www.2carpros.com/articles/coolant-flush-and-refill-all-cars

This guide can help change the thermostat step by step:

https://www.2carpros.com/articles/replace-thermostat

You will need to remove the bottom skid plate to do the service. Check out the images (below). Please let us know if you need anything else to get the problem fixed.
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Sunday, October 15th, 2023 AT 12:22 PM

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