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  1. 2014-2018 Diesel Engine
    I have a leak coming from this panel located near the front of the car on the underbody/splashshield. More to the front than the bigger oil filter and sump plug panel. I have no idea what it is inside. Looks almost like an oil filter but it's not. Hopefully someone can help. Thank you.
  2. 2019+ Mazda 3 Engine and Performance
    Here's me yet again with another (possibly) stupid question. So, just the other day I started the car and immediately turned it off because I had forgotten something in my house. I know that some oil film usually remains on the engine bearings after the engine is shut off but I can't help...
  3. 2019+ Mazda 3 Discussion
    So yesterday I decided to go for a ride and, without thinking, gave my car full throttle while overtaking just 8 minutes (5 miles) down the road, with ambient temperature being around 50°F. What worries me is that oil wasn't fully up to temperature and that I might have pushed the engine too...
  4. 2019+ Mazda 3 Engine and Performance
    So a week ago I gave my Mazda 3 a full throttle (WOT) to 3000rpm and now I can't shake the feeling that I might have caused some undetectable damage that'll eventually show up down the road. I have already made a similar post so I apologise, but I wanted to provide extra info for our resident...
  5. 2014-2018 Mazda 3 Skyactiv Discussion
    Ok, so I know there are multiple threads on what oil to use, I would like to post here my discoveries. I have tried multiple oils in my 3. Mobil 1, Valvoline, Castrol Edge (which I have used the most). I often check my oil and do the old Biden sniff test. All of the synthetics I have used have...
  6. 2014-2018 Mazda 3 Skyactiv Engine and Performance
    I was told that I have a bad oil leak(more like a pour) coming from my 2017 mazda 3 sports front main seal. In order to get to that you have to remove the crank pulley and I was told on some mazdas you can not just remove the pulley because it will mess with the timing. Delership warranty won't...
  7. 2014-2018 Mazda 3 Skyactiv Discussion
    My 2016 Mazda 3 is at 71k miles, so I figured I'd replace the spark plugs. When I pulled them out, one looked like this: There was oil on the bottom threads but the top was clean. At first I thought valve cover gasket, but now I'm thinking the piston rings might be shot. The strange thing is...
  8. 2010-2013 Mazda 3 & Skyactiv Discussion
    allot of people saying overfilling your oil can damage your engine, the dealer I got it from added 5L instead of 4.2L to 4.3 depending on what the manual says, and told me it should be fine since the skyactive engines where made to handle it, I want the honest truth from you guys.. should I go...
  9. 2014-2018 Mazda 3 Skyactiv Discussion
    Hey guys, I recently discovered oil droplets forming under the water pump but can't directly see the source of the leak. Anyone know where this could be coming from? See the attached images and this video I took for reference:
  10. 2014-2018 Diesel Engine
    Hi, I have mzd 3 with 20kms and i need change the oil... in the first change i bought "Original Genuino Mazda Motor aceite 5w30" link is expensive but anyways. For this time i want this "Mazda original oil supra 0w-20" link. What do you tnik is better 5w30 or 0w20w?
  11. 2014-2018 Mazda 3 Skyactiv Engine and Performance
    I purchased a new 2018 Mazda 3 with around 650 miles on it. I'm assuming that it was used by the dealer for many short rides. Because of that I made sure that they included a free oil change when purchasing the car. I got the free oil change coupon (which I need to schedule), but was...
  12. 2004-2009 Mazda3 Discussion
    I am having trouble installing the oil pump pickup Tube on the oil pump of my 2004 Mazda 3 S. I have the original gasket and a new gasket. They are not true O-rings. The cross section is taller than the width at the CL. The pickup tube has a shallow recess that I assume is for the gasket to fit...
  13. 2004-2009 Mazda3 How-To Guides
    I need help with installing the oil pickup tube to the oil pump of my 2004 Mazda 3 2.3L engine. The pickup tube has a recess that looks like it is for a regular o-ring. The gasket (?) that was originally installed does not look like a regular o-ring. The rings profile is not circular. It is...
  14. 2004-2009 Mazda3 Discussion
    I have a 2007 non turbo 2.3L engine and I was curious if a Oil Pan from a 2.0L will fit on my car? It seems all the bolt holes match up. Would like to know before I drop the broken pan and try to replace TIA
  15. 2014-2018 Mazda 3 Skyactiv Engine and Performance
    Send my 2015 2L skyactiv to workshop, had the oil filter change with Mazda B6Y1-14-302A (made in Japan), after came back only realize originally should use PE01-14-302B for skyactiv model my concern is, will there be any side effect or potentially harmful to engine? :|
  16. 2014-2018 Mazda 3 Skyactiv Discussion
    Hi folks, During my oil change this weekend I noticed something that I do not recall from the last change. After warming it up for 3 minutes (from cold), with the engine off, I opened up the oil fill cap before diving under to pull the drain plug and noticed a decent amount of visible vapor...
  17. 2014-2018 Mazda 3 Skyactiv Engine and Performance
    The dealer recommends that I change the oil at every 5,000 miles, while the service manual say 8,000 miles. Which one is right? Paul
  18. 2014-2018 Mazda 3 Skyactiv Discussion
    Greetings all...yep...it's an oil thread. Please accept my apologies in advance. So when I bought my car the dealer set the maintenance minder to 'scheduled' every 5,000 miles with oil change and tire rotation turned off. Once I got it back from my first free oil change, I turned the scheduled...
  19. 2004-2009 Mazda3 Discussion
    Hi, I've had my 2006 M3 S Hatchback for about 6 months. It's got 144,445 miles on it. I had the oil and filter changed right after I bought it and have put about 1,500 miles on it. Yesterday, the oil warning light flickered a few times so I checked the oil and it wasn't even showing on the oil...
  20. New Member Introduction & Forum News/Guide
    Hello: Can somebody tell what part is that next to the coil that seems to be a sensor on the valve cover I posted in a photo? A little bit of oil is leaking thru it and I want to fix it. Appreciate any help. regards, rob
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