| About that oil filter adapter..... [message #189957] |
Mon, 12 November 2012 09:39  |
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JShot
Messages: 485
Registered: October 2006
Location: NW Ohio
Karma: 0
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Senior Member |
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Changed the oil in the coach on Saturday. Before I put the new filter on, for some reason I grabbed the oil cooler lines by the adapter, and tried to move them. Wait, did the adapter just move?
As I'm sure you all know, there's an "O" ring type of a gasket between the oil filter adapter and the block. It's the same gasket that's in the end of your oil filter.
When you change your oil filter, you pull out the gasket from the used oil filter, and put it in the groove on the top of the oil filter adapter. You don't have to do this every time, but best to keep an eye on it. Maybe that's why I had a small trail of oil down the filter.
The first time I changed the one on our coach was at Bean Station a few years ago. The old gasket was very hard and brittle, and all cracked. Since then I change it every other filter change.
What happens is that the gasket tends to flatten out a bit on its top side, and the adapter can become loose. I snugged it up almost a full turn before I changed it Saturday.
The adapter is held onto the block with a nut thingy, and takes a 1-1/4" socket to remove it.
I changed mine this time, but I will check the nut thingy each time I do a filter change from now on.
John Shotwell
Ridgeville Corners, OH
78 Royale Center Kitchen
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| Re: [GMCnet] About that oil filter adapter..... [message #189964 is a reply to message #189957] |
Mon, 12 November 2012 10:05  |
emerystora
Messages: 4442
Registered: January 2004
Karma: 13
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Senior Member |
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Hi John
Slight correction -- the O ring is not between the oil filter adapter and the block. It is between the oil filter base (that bolts to the block with a gasket) and the oil filter adapter which the oil cooler lines attach to.
The oil filter base is a right angle casting that takes a gasket to attach to the block. This is shown on page 6A-26 of the Maintenance Manual X-7525.
That gasket must be the right one for your engine. The 455 is different from the 403. Jim Kanomata carries them in stock.
Also, the oil filter gasket that fits above the adapter has to be one from the right size filter. The one in the Mobil 1 filter is too small. Some people buy a Fram filter, use the gasket and throw away the filter.
Emery Stora
77 Kingsley
Frederick, CO
On Nov 12, 2012, at 8:39 AM, John Shotwell wrote:
>
>
> Changed the oil in the coach on Saturday. Before I put the new filter on, for some reason I grabbed the oil cooler lines by the adapter, and tried to move them. Wait, did the adapter just move?
>
> As I'm sure you all know, there's an "O" ring type of a gasket between the oil filter adapter and the block. It's the same gasket that's in the end of your oil filter.
>
> When you change your oil filter, you pull out the gasket from the used oil filter, and put it in the groove on the top of the oil filter adapter. You don't have to do this every time, but best to keep an eye on it. Maybe that's why I had a small trail of oil down the filter.
>
> The first time I changed the one on our coach was at Bean Station a few years ago. The old gasket was very hard and brittle, and all cracked. Since then I change it every other filter change.
>
> What happens is that the gasket tends to flatten out a bit on its top side, and the adapter can become loose. I snugged it up almost a full turn before I changed it Saturday.
>
> The adapter is held onto the block with a nut thingy, and takes a 1-1/4" socket to remove it.
>
> I changed mine this time, but I will check the nut thingy each time I do a filter change from now on.
> --
> John Shotwell
> Ridgeville Corners, OH
> 78 Royale Center Kitchen
> Web Site: GMCmhRegistry.com /
> Email: john@gmcmhregistry.com
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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