hey guys
i need to know if i can mix acura genuine coolant with the coolant that is already in the system? or do i have to drain and flush?

1998 ACURA CL 3.0

PS MODs: move to where you feel suits best.

 

There's only 2 companies that make coolant, you should be fine

 

cause i have prestone green in their right now. but can i just top off with acura genuine?

 

The acura stuff shouldn't be any different, it's probably made by prestone

 

Prestone Green is dead wrong. You need a coolant that meets/exceeds the JAMA specification ... no silicates and no phosphates. You should immediately drain, flush and fill with Honda/Acura coolant OR the equivalent.

In respect to the manufacturer, it is an Idemitsu product - not domestic.

 

i checked and made sure that the prestone that i put in there has no silicates and no phosphates. i put 50/50 in there.

 

I've been running Prestone 50/50 in my ack for years with no problems

 

Prestone isn't the issue. You said it was "green". It should be a light yellow if it is the JAMA formula.

 

Too technical for me. Dot3 dot4 dot12. Ive used regular coolant green in my car for years. No issues

 

just make sure it does not contain silicates and phosphates. that is all.

 

And if it does

 

Precipitation of the phosphates, plugging of lines and cooler. Silicates will form "goo" or gel, causing hot spots which will result in cavitation within the water pump.

 

i avoid the green stuff at all costs. had my radiator replaced at 4 years ago, shop filled it up with bulk coolant. led to failed seal on a waterpump with only ~30-40k on it. finally had the money to have the t-belt job done last month. for the extra 5 dollars i only run honda. i would at least take 10 mins and drain the radiator then add the new coolant that way theres only a little bit left in the block. if youre keeping the car and dd it alot it does matter imo