Oil readjust time! Yup. An extremely exciting. However I’m constantly surprised when I encounter a “car guy” that doesn’t change his very own oil. It’s together an enjoyable tiny ritual. Paying the high institution kid at Zippy Lube come over-tighten your filter simply seems like cheating.

So fight the publish button, bring this how-to the end to her garage, rotate on the crappy garage radio, and also get her hands dirty.

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Step 1 - jack up the car and also install the jack stand.

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My Mazda3 is tall enough that ns can get by with a single jackstand under one side. I favor to placed it as you view here, under the A-arm mount. Ramps work too.


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Step 2 - Pull turn off the plastic engine cover.


You have the right to do this through your hands. Pull from the back. It’s organized in by the 2 pegs in the earlier with the arrows and one in ~ the front. Girlfriend can likewise unscrew the oil filler lid at this time.


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Step 3 - eliminate belly pan.


This is a tiny bit annoying. The ship pan is hosted in with 7 (7) bolts v 10mm heads. Three in the front, and also two on one of two people side. Ns think the car likewise came with a couple of of those plastic retainers that you need to pry out with a screwdriver? I never ever reinstalled those after removing lock the first time. I just trust in the OVERWHELMING amount of bolts to hold the pan in place.


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Step 4 - remove drain plug and drain oil.


The oil drainpipe plug is on the earlier of the engine. 17mm bolt head. Very easy to find once the pan is the end of there. Drain the oil out.

For the oil draining, I eliminate the jack stand and also put the car earlier flat ~ above the ground. This gives you a little more complete flush. And, come go ago a few steps, I always drive the car around a few miles before beginning this project to warmth the oil up a bit. Warm oil drains far better than cold oil.


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Step 5 - change the drainpipe plug washer.


I’m 90% sure that the drain plug washers come v the filters once you bespeak them indigenous Mazda. The official line is to adjust the to like washer every time. I’m guilty of no doing that. You’re one adult and can make that selection for yourself. Officially: readjust out the to like washer.

When the oil has finished draining, jack the car earlier up and also reinstall the jack stand. Reinstall the oil drain plug. Torque to 22-30 ft/lbs.

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Notice the socket head bolt in the center of the filter housing? That’s the drainpipe plug. Together I said before, i think it’s 6mm. Unscrew it and also a small amount (but no all!) of oil will certainly come out. Move your pan accordingly.


Once the oil has slowed, attach the big socket and also unscrew the oil filter. An ext oil will certainly be left in the base, so it is in mindful. I only splashed it all over my shirts once.


This is all consisted of in package from Mazda. You gain a clean and shiny filter cartridge, a tiny o-ring, and a huge o-ring. The little one walk on her cartridge drain plug. The huge one go on the cartridge itself.


The small green thing at the base of the plug? That’s the o-ring. Swap that out. And also around this time is as soon as I prefer to take turn off my gloves for some reason.


Old and busted goes away in donate of the new hotness. If you’re especially bored and/or crazy the day, you can cut personal the filter cartridge and see if over there are any type of particles trapped. I constantly just toss it.


Don’t forget the big o-ring. This goes around the basic of the cartridge. Looks good all clean favor that, eh?

Reinstall the cartridge filter v the large socket. Mazda’s torque spec is 22 ft/lbs. Be mindful over tightening as every little thing is do of plastic.

Remove the big socket and also reinstall the 6mm filter drainpipe plug. The torque spec is 7.6 ft/lbs. I’m guilty of simply tightening that “enough” with the allen key.


Yes. The end is in sight. Just include oil and also you’re an excellent to go. The factory spec is 4.25 quarts. I include 4 quarts and also then begin the engine. This allows some oil circulate.

Turn off the engine and wait a pair minutes because that the oil come drain back into the pan. Inspect the dip stick. Include any oil compelled to carry it up to full.

Reinstall the belly pan. Placed the car earlier on the ground. Walk for a test drive.