What kind of antifreeze for chrysler 300m

It was developed to protect the high silicon content aluminum blocks found in modern German engines from Mercedes, BMW, Audi, and Porsche. Chrysler chose it for the 3. Go ahead and use DexCool if you want. It's your engine. I'll stick with the G ALL Ms use G type coolant. Funny the Xerex information at the autoparts store says for all and up Chryslers and Fords.

So does that mean the can use the Dexcool stuff? Seems they are advertising the elimination of those chemicals is supposed to reduce corrotion in aluminum blocks and radiators. If that's true, then what's G about? Beginning in 99, al LH cars including the M came with G They e-mailed me back and said "yes". I doubt that they'd be inerested in replacing my engine if it was not OK. This coolant must not be mixed with other green in color coolants. Bill Putney. Chrysler found that the silicates prevent cavitation erosion of the aluminum water pump impeller.

Indeed, water pump failure was the main reason they did not go with DexCool as an extended life coolant. But, hey They make regular green stuff, this one, and G gold bottle according to a advertisment I saw at a Napa store the other day.

G HAS silicates in it, and it's the silicates that offer better aluminum protection. Gas mileage. Not getting good gas mileage. Drove miles on a full tank. Now it's down to a half. What could be wrong? Reason for work: knocking on the right side top end facing the motor. Review another car. Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus.

Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies. Green or Dex Cool? What kind of coolant is for the 3. Report Follow. Mark helpful. Your Answer:. Upload Photo Photo optional. Related Questions.