03-17-2017, 08:15 PM | #1 |
Drives: Chevy Join Date: Oct 2011
Location: New york
Posts: 26
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Coolant change 2012
Does anyone know if there is a specific method for changing antifreeze on these cars? The owners manual notes a "special procedure".
Thanks, Steve |
03-18-2017, 07:04 AM | #2 |
Drives: 2012 ZL1 Automatic Join Date: Apr 2011
Location: Reading PA
Posts: 63
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Subscibed...Black Cars and Summer Heat Don't Mix well, wanna get that Dexcool (DexHeat) Out and put Distilled water and RMI-25 in the Radiator and HX...
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2012 Chevrolet ZL1
Automatic |
03-18-2017, 07:40 AM | #3 |
Drives: Camaro Justice Join Date: Jun 2007
Location: Virginia
Posts: 20,174
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Getting all the air pockets out of the system is the reason for the 'special procedure'. You can do it manually by removing hoses on top of the engine as you fill the radiator and letting the coolant bubble up. That will get you close.
A vacuum system is the special procedure. It literally suck in the coolant and sucks out the air. With LS engines being so prone to air pocket issues, the vacuum system is the ony way we add coolant to a fresh build or change out coolant. |
03-18-2017, 02:50 PM | #4 | |
Drives: Chevy Join Date: Oct 2011
Location: New york
Posts: 26
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