Discolored Coolant Overflow Bottle?

[ltd02]

Now I'm worried is the inside of my block and radiator dis-colored. How do I scrub that?

- Rooo rooter -

My coolant tank is discolored as in the plastic has changed color. This isn't a sludge or buildup issue. Nothing to scrub or remove. Likely the issue is just the plastic itself so not a serious issue, just cosmetic. No worries. If you have sludge then get it professionally flushed and refilled with HOAT.

 

[John3seventeen]

Mines stained pink, can't see the light tan clear stuff.

 

[renegade 04]

If you want to see what is in the engine block just pull the engine drain plugs like I did. Just a FYI on the drivers side you will need to loosen the starter.