Buick Regal Forums banner
1 - 4 of 4 Posts

· Registered
40 Posts
You cannot use DOT 5 if the system is not made for DOT 5.

It's not like switching between synthetic or conventional oil. It's more like trying to run E85 on a car that's not made for it.

Glycol and silicone fluid systems *cannot* be mixed.
1 - 4 of 4 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.