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Bus Discussion => Bus Topics ( click here for quick start! ) => Topic started by: sweeney153 on May 22, 2010, 08:13:56 AM

Title: Another antifreeze question
Post by: sweeney153 on May 22, 2010, 08:13:56 AM
I had to remove a hose for the repairs and lost about4-5 gallons of coolent.
I don't want to put the old stuff back in so I went to NAPA to get anti freeze.

They tell me what I need is
Zerex® ORIGINAL RTU
ANTIFREEZE COOLANT ZXRU1

COMPOSITION/INFORMATION ON INGREDIENTS
Components CAS-No. Concentration
ETHYLENE GLYCOL 107-21-1 >=50-<60%
DIETHYLENE GLYCOL 111-46

I just wanted to make sure before I put it in.


Thanks again

Kevin

Sweeney153
Title: Re: Another antifreeze question
Post by: TomC on May 22, 2010, 01:46:00 PM
Which engine do you have?  A Detroit 6-71 doesn't really matter that much since it have dry cylinder liners.  But if you have the Cummins NH220 with its' wet cylinder liners-it is critical to preventing cylinder liner pitting and eventually cylinder liner failure.  Good Luck, TomC
Title: Re: Another antifreeze question
Post by: sweeney153 on May 22, 2010, 04:21:29 PM
Sorry I have an 8v71
Title: Re: Another antifreeze question
Post by: gus on May 22, 2010, 08:59:12 PM
I use the plain ole green stuff from WM in my 671.
Title: Re: Another antifreeze question
Post by: TomC on May 22, 2010, 11:40:56 PM
What Gus said.  Good Luck, TomC
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