Removing a seized oil filter is a routine task for any vehicle owner, but it becomes a critical operation when the filter refuses to budge. Knowing how to unscrew an oil filter safely prevents damage to the drain plug and avoids the messy scenario of oil spilling everywhere as you struggle with a stuck canister.
Common Oil Filter Removal Mistakes and How to Avoid Them
Over-tightening by a previous technician, exposure to road salt, or simply the heat cycling of old oil can cause a metal canister to weld itself to the drain plug. Apply steady pressure, rocking the wrench back and forth slightly to wear down the corrosion.
If the filter does not rotate after the first half-turn, do not apply brute force immediately. Screw the new filter onto the engine by hand, turning it snugly against the mounting surface.
Common Oil Filter Removal Mistakes and How to Avoid Them
Turn the wrench counter-clockwise slowly and deliberately. Finally, you must dispose of the old filter responsibly.
More About How to unscrew an oil filter
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