Is Dex-Cool bad for your engine?
Ten years after General Motors began using Dex-Cool as an antifreeze in most of its cars and light trucks, GM car and truck owners continue to complain that the coolant corrodes and clogs radiators and radiator caps, erodes water pumps, rots radiator hoses, causes chronic overheating and engine damage while leading to …
What happens if you use regular antifreeze instead of Dex-cool?
Firstly, Dex-Cool and traditional anti-freeze don’t mix well. Though they can work together in a pinch, after extended use, they can react and create a gel, which can be very damaging to multiple components of your cooling system.
What cars use Dex-Cool antifreeze?
Antifreeze + Coolant. Concentrate. Designed to work with all GM ® vehicles 1995 & newer (GM ®-approved), most Ford ® vehicles 2011-2018 and most Chrysler ® vehicles 2013 & newer.
Why is DexCool bad?
Cooling systems that use Dexcool exhibit more acid buildup and rust in the system when the coolant level gets low and oxygen is allowed to enter the system. The acid eats away at head gaskets and intake gaskets. Rust builds up in the system, inhibiting coolant flow, which causes overheating.
Does GM still use DexCool?
parkman [OP] Well-Known Member. Does GM still currently use Dexcool in NEW vehicles.
Is it bad to mix two different coolant brands?
Combining two different types of antifreeze will lessen its corrosive properties. It is easy to flush out the engine coolant in the car’s cooling system, and antifreeze is inexpensive. So it is better to refill the system with a new one rather than combining two different types of antifreeze.
Will it hurt to put green antifreeze instead of Dex-cool?
Yes you can but the two can NOT mix! You need to flush it really really really good and then do the swap.
Does GM still use Dexcool?
Does Chevy still use DexCool?
When to use Dexcool in GM V6 engines?
Use what the manufacturer specifies most of the time. One exception is for GM V6 and V8 engines from 1996-2005 because the Dexcool GM insisted on liquifies the intake manifold gaskets. GM settled a class action suit about that a few years ago but the window for claims is closed.
Where can I buy DEX-COOL compatible coolant?
I purchased the Dex-Cool compatible coolant from O’Reilly’s auto parts for my sons old Pontiac when I replaced the coolant. I would not buy green coolant, 5 year coolant is only $2 more.
When to change ACDelco GM OE DEX COOL?
Your owner’s manual or service guide will provide more information regarding vehicle-specific maintenance intervals. The maximum change interval for ACDelco GM OE Dex-Cool is 5 years, or 150,000 miles, whichever occurs first. Is it okay to use ACDelco Traditional Coolant in my engine if it requires Dex-Cool?
Why do you need Dexcool in your car?
DexCool is a required coolant in most all GM vehicles after 1995, if I’m not wrong. But DexCool chemistry behind DexCool is such that it will not harm the environment if there is an accident or leakage. The formula is such that if it is exposed to air, it neutralize itself.