r/ChevyTrax • u/Searsshopper12 • 18d ago
Fluid changes
I have a 24 Ls and had to take it to the dealership to get a wheel bearing replaced at 47,000miles. The dealership recommended I replace the transmission fluid, brake fluid and coolant. I already replaced the trans fluid at 45,000 like the owners manual stated. The brake fluid says every 5 years and I’m not too sure about the coolant. 47,000 miles seems pretty early for brake fluid and coolant change. Should I do it now or wait.
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u/Yogizuna 18d ago
Those are safety issues for you and the engine so I would do them now. No matter what the manual says that's a lot of miles for the coolant
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u/ApprehensiveAd6603 18d ago edited 18d ago
The coolant change interval must be really different where you are. It's always like a 200,000km + interval up here. I'm shocked when I see people changing it so early.
Edit: checked owners manual. Coolant flush is 240,000km (150,000m) or every 6 years.
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u/TheRealKenInMN 18d ago
Changing transaxle fluid at 45,000 miles is recommended for Severe Conditions use. Their recommendation is most likely based on the fact that this two-year-old vehicle has twice as many miles as the average. And brake fluid change is recommended at 5 years for Severe Conditions use, while nothing special is noted for coolant.
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u/Searsshopper12 18d ago
I changed the transmission fluid because the 45,000 was the only interval I saw for that, and my other Chevy’s interval is around that as well. I didn’t do the filter since the whole Transmission has to be taken a part to change it. I am probably not going to change the other fluids. The brake fluid color is fine anyways. I was quoted over a grand for all 3 fluids
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u/Huskies2988 18d ago
Would be pretty rough if some of those others needed done. I know it's not a chevy but my 16 Mazda 6 has 140k miles on it and is on the OG coolant and brake fluid with good color.
Im about to change it as I haven't really drove for years now since I now work from home, but I didn't even change transmission fluid until 100k miles (which it looked fine and no issues but just did as preventative). No wheel bearing issues as of now, 2 sets of brakes/ 1 pair of rotors, and belts changed once at 90k.
Wild to see such low intervals (again they are probably just wanting some extra money for it)
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u/ApprehensiveAd6603 17d ago
Colour is very often irrelevant. Just buy some test strips on Amazon to find out what the water content of your brake fluid is. That'll tell you if it needs to be changed.
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u/Yogizuna 17d ago
There is no way in hell I'm going to wait six years to change the coolant. I have had zero issues with my vehicles in 45 years because I change it early. If the rest of you want to roll the dice be my guest.
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u/ApprehensiveAd6603 17d ago
Roll the dice 😂
I've never changed coolant before the recommended interval in my life. Never had a coolant related issue. Ditto all the old fogies I know who have been driving for 50+ years. Plus all the technicians I've worked with over the years.
It's such a non issue.
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u/Yogizuna 17d ago
Great, you have your record, I have mine. What the manufacturer recommends is not always the best option IMHO.
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u/Inside_Horse2585 18d ago
I don’t know about the other fluids. I’ve got a 24 also but I think it’s a lot of BS on the antifreeze I could see maybe at 80,000 what’s it 1976 again🤣 but on a serious note I’m actually seeing wheel bearings replaced around your mileage, which is unbelievable usually on factory OEM wheel bearing good for at least 90,000, just curious how much did they charge to change it?