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Nissan Repair/anti freeze

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Question
Dear Calvin
we have an nissan altima 4cl.2005,we have 80,000 on ot right now,how often should we change the anti freeze and does it need it now,we live in bucks county pa,right outside phila.i couldnt find any answer in the manual
thank you
pat

Answer
Hi Patrick -

I usually recommend replacing coolant once a year, especially in areas where there are severe temperature changes through the seasons.

That said, I would change it now (don't forget to flush it out and replace the thermostat while your at it). Follow the instructions on the dilution ratio on the label. I usually recommend a 50/50 blend of coolant and water.

Too strong of a mixture will leave deposits in your radiator.

Hope this helps -
aloha
calvin

Nissan Repair

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Calvin Iwashita

Expertise

All general car repairs for all models of vehicles, except technicals (overhauls) on A/C systems and transmissions.

Experience

16 years as a car mechanic from 1974 to 1990, and still repair cars on the side.

Publications
TV

Education/Credentials
High School and college graduate

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