1977 FJ40 - how do I check coolant level in aluminum radiator? I replaced the upper radiator hose (the C-shape one) and lost coolant in the process that I want to replace. I added 1 gal of coolant. How do I check the coolant level? Thank you!
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
This site may earn a commission from merchant affiliate
links, including eBay, Amazon, Skimlinks, and others.
Thank you!@aeallis3308
Here is a illustration from the 1975 FJ40 Service manual, available here on 'Mud in the reference section:
Note that the instruction states to fill the reservoir tank up to the "Full" line on the tank, in the cold condition.