Reality
check on car-care myths
It's
not what you don't know that can come back to bite you; it's what
you know for sure that ain't true. When it comes to maintaining
your car, misconceptions abound. And even the best intentions
can lead you to spend more money than necessary or even compromise
your safety. Here are common myths that can do more harm than
good:
Myth:
If regular-grade fuel is good, premium must be better.
Reality:
Most vehicles run just fine on regular-grade (87 octane) fuel.
Using premium in these cars won't hurt, but it won't improve
performance, either. A higher-octane number simply means that
the fuel is less prone to pre-ignition problems, so it's often
specified for hotter running, high-compression engines. So if
your car is designed for 87-octane fuel, don't waste money on
premium.
Myth:
Flush the coolant with every oil change.
Reality:
Radiator coolant doesn't need to be replaced very often. Most
owner's manuals recommend changing the coolant every five years
or 60,000 miles. Of course, if the level in the coolant reservoir
is chronically low, check for a leak and get service as soon
as possible.
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