Are these necessary repairs, reader asks? Q: My sister took her 2000 Buick Century into a garage and asked them to look into an odd pinging noise. They diagnosed it as a clogged EGR valve, but they ...
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95% clean vs 50%: Why coolant flush matters
Open the drain valve (drain cock) at the bottom of the radiator and let the existing coolant flow out by gravity. Then refill ...
As the impurities in our body fluids affect the proper functioning of our body parts, in a similar fashion, sludge in the radiator liquid degrades the engine's performance. Coolant acts as an ...
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