Question about 2001 Chevrolet Cavalier
GM says to use Dex-cool Only. Why ? For few good reasons.
1.GM Dex-cool is made out of different ingredients,vs the "universal" coolant.
2. Who would know better ? An antifreeze company or the manufacture of the vehicle ? GM has been making vehicles for what ? 100 years .
3. Using the so called "universal" coolant will have adverse effects on your engine. Overheating and scale build-up in your engine and inside all of your hoses.
4. GM recommends usually every three years or 30,000 miles to have your cooling system flushed out and refilled.
(if you decide to have it professionally flushed out, it is a lot easier and cleaner, plus it is accurate.( SEARS charges $ 70.00.) You don't have to worry if you have the correct mixture of coolant and distilled water, you don't have to worry about where you are going to recycle the old antifreeze too.
5. This is also a good time to replace your thermostat and gasket also. ( Which will also cause over heating)
Posted on Mar 06, 2015
Sounds like air in system, repair any leaks flush and add universal antifreeze, and to get air out without special equipment, fill best as possible, start engine drive around block. Let vehicle set until cold. Then check coolant level again, repeat until guage stays normal
Posted on Oct 14, 2010
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Posted on Jan 02, 2017
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