DexCool

In 2017 I purchased used a 2009 GMC Sierra 1500 pick up truck for $17,000.00. I loved my new truck up until about a year after purchase. It started overheating so I took it to the dealer. I was told it was low on coolant so they topped it off, did a pressure test and told me everything was fine. 4 months later it’s overheating again. Now I have to add a gallon of coolant about every month to the reservoir or it will overheat. If anyone knows how I can join the DexCool class action lawsuit please let me know. I’m very disappointed with my purchase now as I was completely unaware of the problems with DexCool and that my vehicle used it. I don’t make a lot of money so I cannot afford excessive repair bills due to a product that GM says is a good product when it is obviously causing major issues and repairs.

I was surprised when I went to the auto store and the lady told me that they are not a lot to suggest any other coolant for most GMs other than DexCool even if they know you can use good old green coolant in your car as long as they're not mixed with DexKill and a good flush before switching. DexCool can pay the bill for all their haters but not on Consumer Affairs! I switch to green after replacing heads and intake gaskets at 150k on my 99 Malibu 3.1. NP since. Bye DexCool!

Recently replaced coolant, DexCool in my 2003 GMC 1500 Sierra 4.8, 2wd. No sludge. Color was still pretty good. I tested the heat and coolant resistant on the stuff I was replacing on the way out, and it was way above requirements. I did not test the ph level with test strips so I do not know that. I've never had any issues with overheating or any related repairs to the engine. No gaskets, no nothing. I bought the truck used with 59,000 miles from one female owner who took great care of the vehicle. I now have 181,000 miles. I live in the mountains, 5,000 ft, of West Texas, 100 miles east of El Paso in the Chihuahua Desert. I drive on lots of dirt/muddy roads, in extreme weather, monsoon rains, 90 to 100 degrees regularly. Very satisfied with what I saw and hold the vehicle held up so far. Will be changing coolant once a year from now on. Heard that if the coolant gets too acidic, it could corrode the aluminum parts in the engine.

I have a 2006 Pontiac Gran Prix GT that had DexCool antifreeze in it which is recommended for GM cars. I have heavy pink sludge in water pump, radiator etc. Already have had to replace water pump, thermostat, radiator etc. Why is this used knowing it can destroy vehicles??? Are the lawsuits still going on? These repairs are costing me a lot!! Live on ss and husband passed away just 2 months ago!! How do I afford all this?? Feeling really angry!!

I have bought a 2000 Oldsmobile Intrigue GLS back in 2014, I didn't have any trouble with it until this past Christmas in 2016. I had major leaking from head gaskets and water pump that have damaged my alternator. That repair was 320.00. Now to fix the water pump and head gaskets will cost 6-700.00. I don't have that money right now. I'm leaking oil and coolant. Ugh. I just found out that GM settled this DexCool lawsuit back in 2008 way before I bought this car. Is there a way to get my car fixed through them for free, or low cost since it's more likely from DexCool. I read that water pumps and head gaskets went bad due to DexCool. Any help would be great. Thanks!

I have a 2013 Chevrolet Sonic RS. My car has just reached 60 thousand miles. In 2015 the hoses that go to my heater core randomly exploded with no warning of overheating or anything. That was a 300 dollar fix at the dealership because they are not considered a warranty item. In late 2016 my upper heater hose swelled up like a balloon, and then burst, another 150 dollar repair.

I hope I'm not beating a dead horse, but I've never had a coolant leak and way under 150k miles in my 2001 Chevy Silverado. Now from time to time the low coolant light came on and I would just purchase that manufacturers recommended orange Dex-Cool and top it off. I've always lived very close to work and have only taken this truck on a couple of long trips each less than 500 miles in distance.

In 1996, my father, the late Charles **, purchased a 1996 Chevrolet S10 pickup truck with the 4.3 liter v6 motor. Unbeknownst to me, there was a product recall in the year 2008 due to major damages to said engine caused by the "required coolant", DexCool, which was specifically created, supposedly, for GM engines. The reason for the recall was ruined radiators due to weird orange-brown sludge with a rusty appearance that clogged up the vehicle's cooling system, failed head gaskets and other major repairs caused directly by DexCool. My father was one of those people who bordered on being obsessive about following recommended manufacturer's instructions about vehicle maintenance.

Same problems with DexCool 4 year old car with less than 14000 miles and coolant is brown instead of red and foul odor inside car. Dealership has same shoe box answer that GM has no problems with Dexcool want me to spend $400 on a new cabin air filter and reprogram car computer so fan runs longer. They also said it might fix problem no guarantees. Why should I have to pay for a reprogram when GM has created the problem. Other forums say the smell comes from heater hoses breaking down on the inside thus causing a foul dead animal smell in car.

I have a 2000 Silverado 1500 Z71 with 5.3 L and 165000 miles that I inherited from my brother about 6 years ago. He bought used in 2006, then has regular antifreeze in it. I'm not sure who put the regular antifreeze in it to begin with, since my brother isn't living and I can't ask, but my radiator and engine doesn't have rust or sludge. I can say my truck overheated from a malfunctioning thermostat about 4 1/2 yrs. ago and I replaced the thermostat and added the 50/50 antifreeze. I did not see any rust anywhere. So, as for the DexCool, I don't know, but I do know my brother was a diesel mechanic, so either he removed the DexCool or GM did. Whomever it was did the right thing because I do not have rust or sludge.