2012 Mazda 6s Duratec 3.7 Water Pump Replacement (Part 1)
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- Опубликовано: 8 сен 2024
- The 3.7 V6 Duratec engine is known for water pump failures destroying the engine. Common symptom is a noise behind the timing cover and CEL code P0016. If you can catch it before it skips timing or coolant destroys the bearings, it is still a huge job in the Mazda 6s, due to the engine and subframe needing to be moved to get the timing cover off.
This 6 part series covers how I tackled this in my home garage. This will not be over quickly, you will not enjoy this. The job took me about 40 hours and 700 dollars in OEM parts (full timing chain service). I tried to cover my process as I went along. Hopefully it helps you decide whether you want to tackle this yourself or not.
I was lucky enough to get a car with a duratec 3.7 at 60k miles. One owner, The guy had it dealer serviced its whole life. I was always worried about the water pump. its a shit design to have a chain driven pump, or really putting wear parts in hard to reach places lol. I just kept using the factory oil and coolant, whatever the engineer who designed the engine said it should have, its gotta be the best for the seals i would hope. I ended up selling the car but i know who has it and its pretty high mileage, 145k last time i knew. Im curious to see when or if the pump goes.
I think maybe the only thing you can do to protect that pump is to use the motorcraft filter/5w20 oil (and keep your oil/coolant fresh)...even then its a gamble lol
great video man
Would water pump failure cause coolant to get into the oil without necessarily requiring a blown head gasket? Is it worth fixing on a car whose blue book value is less than $5,000?
Yes water pump failure in this car is very likely to dump lots of coolant in your oil if not caught early. If you run it with coolant in the oil for too long there's no telling how much that damaged your bearings and putting the money into the water pump replacement is a gamble I think. In my case I caught it early and I did the work myself for about 700 so I deemed it worth it....but if my oil had looked like a milkshake I probably would have junked it. I have put 40k on this car since this repair with no major problems so I think in my case it worked out.
Please Please Please Please
I have a question, please answer me. It is the sound that appears from the water pump only while the car is cold, and after driving on it for a few minutes, it disappears and does not return unless I turn off the engine and restart it again. The sound appears!???
For me, it was random. It seemed to have a steady quiet clacking but could get much louder randomly when idling or driving. There was only one time where I had just started it where I heard a loud random screeching sound when cold....it never happened again. One way I heard of pin pointing the issue was having your oil analyzed for coolant in it...because for me visually I could not see coolant in the oil...but I could see I had lost a little coolant level. I was lucky enough to get the check engine code for timing too that convinced me it was the pump.
Wow 😂😂😂 thanks god I was about to buy this crap tomorrow until I’ve seen cancer in this car is the water pump ant it coast arms and legs 😂😂😂
Bla bla bla and you do nothing