Wanted to pick everyone's brains on a somewhat picayune matter. My 2012 MDX with 120K miles is up for coolant flush and fill. Hope to keep it another 120K. I want to use the best products to achieve that goal. Which of these silicate-free coolants would you use: Honda Type 2 vs. Prestone Asian Vehicles (Blue) vs. Valvoline Zerex Asian Vehicle Blue vs. Amsoil Passenger Car vs. Evans High-Performance Waterless after Water/Coolant purge?

Thanks in advance for your input.

 

I've always stuck with the OEM Acura/Honda coolant. The only issue I've had with the cooling systems on my 06 TSX and 08 RDX at the +160,000 mile marks was:
- replaced both radiators because of hairline cracks in the top or bottom of the plastic parts of the OEM radiators
- replaced the worn overflow hose on my 06 TSX because it was sucking in air and the air pocket was settling in the cabin heater core resulting in no heat in winter
Not related to coolant; but, I had to replace both coolant/condenser radiator fans on both the TSX and RDX. Fans were not turning fast enough to cool the vehicles and A/C condenser at stops or low speed driving causing the them to overheat and/or A/C to stop working in city driving.

I have +143,000 miles on my 11 MDX and did the coolant flush with OEM stuff at my 107,000 miles service (water pump also). I will just keep an eye on radiator/hoses/fans to make sure I don't have the same issues.

 

If you read the spec sheets for both the Honda/Acura coolant and Zerex Asian Vehicle (Blue) coolant, they are virtually identical. You should only use one or the other.

 

If they are nearly identical, then wouldnt mixing be ok?

 

one way to find out

 

I mix 'em and no problems so far...