Odd L14612 issue.

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So I get called to my friends house to look at a monumental filter disaster where her younger son couldn't get his Mobil 1 filter of a 98 Z5 (mazda 1.5) motor, to make things worse, the older son decides to drive a screw driver thru it and when that doesn't work abandons the job.... but i digress

About 30 minutes of working at it, it is removed from being WAY too tight and i go to explain that the new filter (L14612) should be tightened 3/4 to 1 full turn after the gasket touches the block. (Written on the filter; I am trying to teach following instructions) I go to do it and there is no way it can be even turned 1/2 turn. Like I am sitting there looking at it and I've done tons of OC with purolaters (usually 14477 et al) and 3/4 turn is no problem, except with this one. Any more and the filter housing with hit the block.

I put it on with < 1/2 turn and run home to look @ another L14612 and the O ring is extremely close to the filter housing also. Seems like it should be easy to calculate the amount the o ring needs to protrude as being 1"/ # of threads per inch if the mfg is going to recommend 1 full turn so that the filter housing doesn't touch the block.

Anyone else have this issue with Purolators?
 
I recall, that a filter manufacture was recalling filters because of a defect in the manufacturing process. I believe the issue caused the same problem your speaking of. I think the recall was recent, not sure which brand.
 
Here are the reassuring install instructions from the web.

Q: What exactly does that installation drawing on the Purolator PureONE and Classic boxes mean? Oil Pictogram

A: Here's an example:

1. Apply film of oil to filter

2. Install filter

3. Tighten 3/4-1 turn beyond gasket contact (this may vary by filter)

4. Fill engine with oil to normal level

5. Check for engine oil level and check for leaks. Re-tighten if necessary.

I guess "this may vary by filter" could mean not "3/4-1 Turn?"

Perhaps I will e-mail them.
 
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