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Only take it to the dealer if you mark the stuck filter in a way that cannot be removed. Then, take a picture of it in place with the mark clearly showing. I've seen dealers who were not above leaving a problem filter in place, but charging for a new one like they had changed it, figuring next time would be someone else's problem.
No, NO, NOOO! For future reference for others, as you just learned--one cannot do anything near the end of the flimsy filter! You HAVE to work up high, preferably actually on the top rim that cannot possibly collapse! Even if nothing other than using a chisel on it.
This wrench has been in my toolbox for some time, and has never failed me. And I've had some tough ones in the past. It'll mangle an over-tightlened filter some but it WILL grip and turn it.
I poke a hole through the bottom edge of the filter with an awl to drain it first. Then put a sheet metal screw in the hole to keep it from dripping the last few drops, before I do the screwdriver stab-through. I use a flat blade screwdriver and angle it upwards slightly left of center to get the extra leverage and strength of the central core. Been doing it that way ever since full flow spin-on filters were invented. Ran into some tough ones, but always won the battle.
I poke a hole through the bottom edge of the filter with an awl to drain it first. Then put a sheet metal screw in the hole to keep it from dripping the last few drops, before I do the screwdriver stab-through. I use a flat blade screwdriver and angle it upwards slightly left of center to get the extra leverage and strength of the central core. Been doing it that way ever since full flow spin-on filters were invented. Ran into some tough ones, but always won the battle.
Damn... great tip. I'll remember this everytime I remove a filter now. Seems so obvious to do.
Final Report: I tried the following wrenches:
None worked, Filter, an AC DELCO PF64, just collapsed more and more. I would do the screwdriver removal if I had more room, but if the base won't come off and I have to use a chisel, I don't have enough room to do it comfortably from home on RaceRamps. So I went to the dealer. They charged me $45 to remove the filter and install my filter, and top off with one quart of oil. Thanks to everyone who provided advice.
Last edited by GinCin; Oct 5, 2020 at 05:34 PM.
Reason: Corrected Spelling
Ummmm.... I'd sure like to know what he did to get it off.
Elmer
No clue. I went to Coggin. Not sure about other dealers but this place treats us like we bought a chevette instead of corvette. I guess I could ask to speak to the technician but I didn't. I know the screwdriver through the filter would work. I just didn't want to do that at home with the car on race ramps.
Few things:
1. i would look up the relief pressure of that K&N filter you put on. Make sure it has a 22psi relief valve. DO NOT use the filter if it has a different relief pressure.
2. Once you started collapsing the filter housing, do not start the engine. Depending on how much you've collapsed it, the relief valve could be prevented from moving.
Like others have said, we would like to know how they got it off at the dealer.
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