Does Car have to sit after Bars Leak is put into radiator?

Asked by GuruHPKHQ Aug 01, 2019 at 10:59 AM about the 2003 Toyota 4Runner

Question type: Maintenance & Repair

I have a slow leak in my 2003 Toyota
forerunner radiator and it’s been
recommended that I use for Barsleak, I know
I have to drive the car for 15 to 30 minutes
when I add it to coolant ...but mixed
messages about whether after that I need to
let the car sit for 12 hours? To let it set? Or
can just drive normally?

2 Answers

74,505

Barsleaks.com has PDF instruction sheets on their web site for various types of radiators and applications.

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