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Coolant

Edmond

Well-known member
Joined
Aug 1, 2001
Messages
5,218
Location
Louisiana
Corvette
2003 Z06
Okay, so I'm wondering about my coolant.

When should it be changed? I'm here in the South Chicago Suburbs so that'll give you an idea of what kind of weather I have to deal with.

What color should the coolant be? Should it stay pretty green?

If I just change out the coolant in the reservoir, does that really do much for me?

I've heard of a flush, but it was also stated that flushes shouldn't be done on a somewhat older engine (91,000 miles).

Thanks for the help guys!
 

Topless

Well-known member
Joined
Nov 12, 2001
Messages
444
Location
San Diego, CA
Corvette
1992 Convt w/hard top; 2004 Z06 Z16; 1962 327/300
Avoid high pressure flushes. They can create holes in the system.

I like using a bottle of Water Wetter in addition to the coolant.

Mike

ps. I have heard of a sonic radiator cleaning. Don't really know more than that.
 

jeepie

Well-known member
Joined
Feb 6, 2002
Messages
162
Location
Dunmore, Pa.
Corvette
1991 Coupe Blk/Blk
I would say it is supposed to be pretty green, and I would drain the radiator, that will get most of it out, there will still be some in the block, need to flush it to get that out. Just add fresh coolant and you should be good.
 

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