Coolent 2017 gmc 3500 HD

[Duke2017]

Can you just put in a good brandCoolent. Or does it have to be a concentrate where you mix. For my truck

Edited December 24, 2022 by Duke2017
Understanding

[CamGTP]

If you buy coolant concentrate, then yes you must dilute that with water.

 

A 50/50 mixture is not required but is the benchmark number. That is good for roughly -34F freeze point, a 60/40 mix is good a little bit lower.

[Bobatka]

On 12/24/2022 at 11:08 AM, CamGTP said:

If you buy coolant concentrate, then yes you must dilute that with water.

 

A 50/50 mixture is not required but is the benchmark number. That is good for roughly -34F freeze point, a 60/40 mix is good a little bit lower.Sonic exe

I'm not sure with my exact ratio.

[newdude]

On 12/23/2022 at 5:56 PM, Duke2017 said:

Can you just put in a good brandCoolent. Or does it have to be a concentrate where you mix. For my truck

 

 

Dexcool.  It can be GM or Prestone or whatever, but use Dexcool.