Guide: Spin on oil filter conversion for Mazda3 (and Mazda5) 2.3L with pics

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South Carolina
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12 MZ5 13 CX-5
Parts required:
Everything for a standard oil change, plus
1L5G-6884-BA oil filter adapter (mine came from a Ford Fusion)
LF02-14-342 gasket
LF05-14-302B compatible oil filter (I used a Wix 51348XP oil filter. You can choose your own brand)
Teflon tape
brake cleaner
rags
cold beverage(s)

Tools required:
pocket screwdriver
ratchet with 10mm socket and 4" extension
7/8" box wrench

Recommended tools:
Gasket scraper
1/4" and 3/8" drive torque wrenches

Optional tools:
7/8" deep well socket with impact wrench in lieu of box wrench

Gather parts and tools...

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Do a standard oil drain.

Locate the oil sending unit wire and carefully remove it using a pocket screwdriver to depress the tab.

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Undo 4 10mm bolts holding the filter adapter to the engine block.

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Clean the engine block with rags and brake cleaner. Try not to spray brake clean directly into the engine.

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Remove the oil sending unit from the old adapter. A wrench works with some force, but an impact zips it right off like butter.

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Using fresh Teflon tape, install sending unit into new adapter housing, torque to 15 ft. lbs.

Install new adapter onto engine using a new gasket, torque the bolts to 150 in. lbs. INCH POUNDS, NOT FOOT POUNDS. 150 in. lbs. is 12.5 ft. lbs.

Reconnect oil pressure sending unit wire.

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Pour fresh oil into filter, and lube the gasket with the oil.

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Spin on the new filter hand tight.

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Fill with good synthetic oil (I used Mobil 1 Gold Cap).

Start engine, check for leaks.

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Enjoy Beer!

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South Carolina
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12 MZ5 13 CX-5
The point is, you no longer have to mess with the cartridge filter or the canister that can all too easily strip out.