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bossk 12-06-2009 07:05 PM

Westerbeke Oil Change
I've done a search but I can't seem to find an answer. Simple question though, which way does the oil filter thread off? Is it a reverse thread? I went to do a change this weekend, got all the oil pumped out, but the filter wouldn't budge. I didn't want to force one way or the other until I was sure which way I should force. On top of the usual ZERO room to do anything :)

Anyone with a Westerbeke and some experience know what what I should be twisting to get the beast off. I've got a 85' 10-Two, but I'm hoping Westerbeke threads standard across the board.........

Thanks guys!

Faster 12-06-2009 08:20 PM

It's HIGHLY unlikely to be a reverse thread... sounds like it's been quite a while since it's been changed.

Sometimes when all else fails you can punch a screwdriver through the filter body and break it free that way.. but you do need some space. How about one of those "cupped' socket wrench fittings that fit over the end of the filter itself?

bossk 12-06-2009 08:28 PM

Yeah I'm pretty sure it's standard counter clockwise to remove but I didn't want to force it till someone else offered an opinion :). I've got a wrench that goes on the end fits the top of the new filter like a glove but loose and pops off on the old one. I need to get one of the kind that slides over and ratchets tight. I'm very low on room but and probably get a screw driver through in a pinch. The oil was done about a year ago. Figured it was time to get changed for the winter season!

I will get the new wrench and give it a try tomorrow evening. Wish me luck!

Fareast 12-08-2009 06:44 AM

I have a Westerbeke 64A, it turns counter clockwise to remove. I do have a remote on mine, but it is still counter clockwise...

marcberoz 12-21-2009 06:57 AM

My Westerbeke 21 oil filter turns counterclockwise to remove.

tempest 12-21-2009 07:41 AM

If you have the proper replacement filter...look at the threads on the filter....

JVallely 12-22-2009 08:57 PM

Every oil filter made since right and left were invented has threads that tighten to the right.
Left-handed threads are for mounting wheels, pulleys, tool heads etc that turn clockwise, so the threads don't work loose. Turning your filter counterclockwise will loosen it.
The screwdriver trick works sometimes, but if you end up tearing up the paper-thin aluminum case with it, you'll have nothing left to grip. So be careful. Your idea of using the metal strap type that takes a ratchet drive and tightens as you turn it is probably your best bet. Now is your excuse to splurge on a long-handled ratchet, if you have the room to swing it. Obviously a long drive extension may let you move the handle up or down to where you might have more room.
Just don't use it to tighten the new one on, as you are probably aware.
John V.

bossk 12-31-2009 03:40 PM

Yeah it wasn't budging with anything, so a screw driver it was! There isn't much room to work either, just enough to get my arm down the side and the filter is tucked in close to the engine as well. So two seperate punches and she finally threaded off. And up, I only hand tightened the new one :) Done many many a oil filter change on a car back in high school auto class. I just wanted to be sure there wasn't something odd at play here seeing as it was on so tight.

All is now happy in the land of Westerbeke Oil changes :)

Thanks again folks!

eherlihy 12-31-2009 04:12 PM

Thanks for the update. I'm not a fan of the screwdriver method, as it frequently tears the can, and then you have even less area to work with. (When this happened to me, I used a chisel to get a bite on the mounting plate, and swore that I'd never try the screwdriver trick again.)

Now that you've mounted a filter, take a look at the oil filter review page here - Read it and you'll understand why every time I see a Fram filter on a boat I have to bite my tongue.

NICHOLSON58 12-31-2009 05:20 PM

"LEFTY - LOOSEY RIGHTY - TIGHTY" Hey, it helps my wife remember.

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