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  1. M

    how come so many people change to a thicker oil or think there oil is too thin?

    Sorry to bring this up if its already been spoken about. So what I have read is that a 5w20 is usually just oem fill for most vehicles because apparently they can save about 1% of fuel economy compared to a 5w30 oil and that big difference across there entire fleet results in meeting the...
  2. M

    Krown vs Penetroil vs other competitors for rust proofing?

    I recently picked up a 2006 mazda 3 hatchback, i also want to add that i live in canada. We have long winters here and "The city uses several products to manage the snow and ice, including a mixture of sand and salt, gravel, and magnesium chloride." The car is in decent shape and not as bad as...
  3. M

    Which of the top 3-4 company makes the 'most synthetic' oil?

    sorry if this has been discussed tons of times but I am curious which of the top brand oils are considered the most synthetic as in are made of the higher quality oils? i know in the end of the day, the final product matters more compared to what base oil was used etc etc, this is just for...
  4. M

    Keeping an eye for coolant leak - just watch the reservoir?

    Was looking at my service records as lately I have had extra time on my hands and found some good news- It recently had sparks done so thats gonna save me some money aha. In 2018, the dealer said they noticed dried coolant around the water pump area for my 2006 mazda 3 with the 2.3l, and...
  5. M

    just found out my engine was flushed 2 years ago, yuck. anything i should do?

    I was checking the service history on the car I purchased - 2006 Mazda 3 2.3L 95,000 miles and of course the guy took it to an oil change place and seems like they did a engine flush. This was about 1-2 years ago and so far it doesn't seem like the engine leaks or any known problems. Just seems...
  6. M

    What are good thermostat brands?

    looking for recommendations for which brands makes good thermostats. I want to stay as close to OEM as possible cuz OEM is usually spot on however I dont live near a mazda dealership so will end up ordering from rockauto. engine is a 2006 mazda 2.3l which i believe is the same as the 2.3l...
  7. M

    Why do some people say 0W20 can cause more leaks compared to a 5W20?

    Sorry if this has already been discussed but my car is spec'd for 5w20 but here in Canada we get horrible winters as cold as -40 fahrenheit some days so a 0W20 obvs wouldn't hurt. I was doing some reading and seems like I read some posts about some people say "if you run 0W20, watch out for...
  8. M

    which alternator brand TYC, REMY, Wai Global? any of these good?

    Hello, I will need a new alternator soon enough for my mazda 3, and looking at rockauto for the new ones I can choose from these brands in around the same price range. are any of these brands decent or is it random china garbage and testing your luck? I am in Canada, so dealing with the core...
  9. M

    First Gen mazda 3 with 2.3l recommended service approaching 160k km

    Hello all, new member here, I just recently picked up a 2006 Mazda 3 with auto trans and 2.3L engine. I don't know much about the maintenance info on it but want to start doing some preventative maintenance pretty soon. Sorry I am not a mechanic so I will try my best. I checked the fluids in the...
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