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    225-55-r19 to 235-55-r19

    Its great that you have a clear priority: Comfort above all. Because the other concerns (mpg and acceleration) with the slightly larger tire are not going to be noticeable. Theoretically, yes, a bigger tire will have negative impact - but doubt you'd be able to measure because the difference in...
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    Winter/Snow tires

    kdaug has an excellent recommendation to search out other Mazda wheels. The CX-7 wheels are ideal - an exact dimensional match for the 17" wheel. Look on Craigslist and at car-part dot com for salvage yards near you with these. I've seen decent ones at salvage yards for ~$50-60 each. However...
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    Replace your coolant: CX-5 CX-3 Mazda3 Mazda6

    Agree. If you DIY it's not as easy to recover without the flush machine - and to get the water to coolant mix correct without an option for adding a concentrated version. But, 4-5 drain and refill cycles will get you there even if you only have the pre-diluted coolant.
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    Replace your coolant: CX-5 CX-3 Mazda3 Mazda6

    Fantastic to see Peak Asian green. I'm sure over time others will follow - but it is clear that the automakers and the aftermarket coolant makers don't trust the DIY market to use de-ionized or distilled water for mixing. Ravenol and Motorcraft are the only sources (not even Mazda) to offer a...
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    Replace your coolant: CX-5 CX-3 Mazda3 Mazda6

    Reluctantly I agree that Mazda Long Life Coolant concentrate (501E) and the Pentosin A2 are first generation phosphate HOAT formulas that do not have the exact FL22 additive package. But, these first generation Japanese P-HOAT coolants contain all the same main ingredients and are silicate free...
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    Anyone try 235/55/19 general altimax RT43

    I think I agree if you mean by compound that sidewall stiffness and rubber compound to get the V versus H speed rating makes a difference in how you perceive and your satisfaction with a tire. Relatively stiffer sidewalls could be expected as speed rating increases. The tire itself would have to...
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    Anyone try 235/55/19 general altimax RT43

    Independent of the V versus H speed rating - the 235-55-19 is a perfectly acceptable tire size for your OEM wheels and the CX-5. FWIW there are no warranty or insurance complications with using a H rated tire.
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    2019/2020 Wiper Connector?

    IMO use the wipers you got until they prove themselves unworthy. I don't agree with the OE wipers suck group. OE wipers have completed 2 winters and are still doing a fine job. The referenced thread has all the info - including adapting the adapters with the Bosch EN24OE or EN18OE to work with...
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    2007~2015 First Gen - Coolant quantity for drain and fill question

    Not to discourage changing engine oil and coolant on a regular basis - but these do not extend the life of the water pump. The water pump shaft bearing is sealed with some lubrication inside. It does not use coolant or engine oil for lubrication - though both of these are in contact with the...
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    Need All-Season Tire Recomendations

    I'm a bit of a fan boy so a little biased. I like Nokian for the same reason that I like Mazda. They are a niche company that has earned a reputation for innovation of their products. I've had several sets over the last 10 -12 years - plus a mix of other brands since until recently they were...
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    P0421: Warm Up Catalyst Efficiency Below Threshold (Bank 1)

    You are right - the cat is covered for 8yrs or 80K miles whichever comes first. I'm afraid that 2014CX5GTAWD has >90K miles. Still worth a try since the car is 6-7 years old.
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    P0421: Warm Up Catalyst Efficiency Below Threshold (Bank 1)

    Quick reply: Even if the intake valves have some carbon build up this is unrelated to the catalytic converter. If you are prioritizing repairs: save up for a new catalytic converter and don't worry about the black inside of the tailpipe or possible carbon build up on your intake valves. Neither...
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    P0421: Warm Up Catalyst Efficiency Below Threshold (Bank 1)

    Are you just trying to pass an emissions test - or trying to understand what repair is needed to remove the P0421 code? Either way the guaranteed to pass stuff is worth a try - if only because it is a cheap try and as it is burned with your fuel it does travel through the cat. Don't mess with...
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    First oil change notification

    I think you have a 2019 with the turbo. The oil change indicator (the wrench) warning comes on with 1000 km or 600 miles left until the change is recommended. You should also confirm that the oil change interval is set to Flexible in order that you get the algorithm driven oil change interval...
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    2009 Mazda5 Leaking Oil Cooler

    Congrats on the successful repair. I'm glad the air in the coolant system is working its way out. Keep an eye on coolant level for the next week or so. If you think you'll do this work often there are a couple of tools that will help greatly. The first is a spill free fill funnel first made by...
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    Buying a 2008 CX9 GTAWD

    I wish that were true. Actually the PTU is constantly spinning the propeller shaft to the rear differential. A clutch is used to engage the rear wheels as directed by the computer. The problem: Many times when the PTU fails it can create an extreme load on the transmission and fry the...
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    Ford Duratec V6 Water pump issue in the news

    FWIW you do not have the remove the engine in the Gen 1 CX-9 to replace the water pump. Definitely advanced DIY and time consuming, but it can be done. If you have replaced a timing belt and water pump on another car you can do the water pump on the CX-9. And, the OEM water pump (motorcraft)...
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    40,000 Mile Spark Plug replacement on 2016 CX-9

    At this moment you have no choice but to go with OEM. Get them at an online Mazda parts dealer like medcenter mazda to save a few $. The Mazda spark plug for the 2.5l turbo is definitely a NGK product DILKAR7M8 - but not available anywhere except at the Mazda dealer under the Mazda part number...
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    2007~2015 First Gen - Coolant quantity for drain and fill question

    Agree with Jal142 that changing coolant does little to preserve the water pump - but it is good overall for the cooling system. 5 years or 100K drain and refill the radiator is more than good enough to protect the cooling system. Concerned that you are not replacing all the coolant? Then drain...
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    Buying a 2008 CX9 GTAWD

    Mazda purists be damned. The truth is these Gen 1 CX-9s are nice cars with 2 weaknesses: PTU and water pump. But the drive train is actually reliable if you take care. And these are nice cars with plenty of power and utility for carrying families and their stuff. The PTU is reliable with 30K...
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