(not a mechanic) I have changed oil on this vehicle for the past 4.5 years using the same parts and oil brand. For the first time, however, I see that oil leaks out of the oil filter housing unit. All rubber gaskets have been replaced as I always do but for some reason, it seems that the oil is not contained in the oil filter housing unit. I thought it was a bad oil filter so I put in a new one but the results are the same.
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2007 Hyundai Veracruz
Question: After replacing the oil filter, oil leaks out of the filter. Why?
Answer #1ccsmog from Contra Costa Smog and Repair, March 05, 2012, 01:57Journeyman
Check to see if the old seal is attached to the filter housing, if two seals are present it will leak.
Answer #2Car Fixerer March 05, 2012, 10:14Technician
Does this vehicle have a canister type oil filter housing (ie.. paper filter instead of the more traditional metal style filter)? If it is the canister type with the paper filter, check the housing cap/cover (where the big o-ring seal fits into) for cracks or cross-threading. When you replaced the filter the second time, did you change the o-ring seals again with it? If not, it's worth a shot. Also, it's a VERY good idea to lube the o-rings with some engine oil before putting the housing cover back on.
EDIT: just did some reading and found FRAM had a production run of O-rings that are too small and do not seal properly. If the oil is leaking between the housing cover and housing itself, I would try a different brand o-ring or better yet, one from the dealership. AND make sure to lube the o-ring with engine oil before re-installing the cap/cover.
Replysolgee, March 05, 2012, 11:11Rookie
The 2007 model is a canister type oil filter housing. I replaced the 2 o-rings (one small one and one large one at the top of the cap - last thread before the very top). I reset the filter to make sure it is on straight (and not crooked), put new oil on the o-rings, and even cleaned the top of the housing unit to get rid of the old oil. When I turn on the engine, I can see the oil slowly coming out of the housing unit. Any more ideas?