Morris Minor Owners Club

My operation manual - 4th edition (I am not sure if it is the correct manual for my car) shows the oil filter element as being either Tecalemit 2A 693 or Purolator 2A 789. where can I buy these and what is the correct, modern number?

Any advice will be gratefully received. The engine number is 10MA-U-H 133039.

ESM, Bull Motif, Birmingham Morris Minor Centre etc.....

Could you tell me the part number?

Oil Filter Element(948/1098cc) *fits all standard morris minor 948/1098cc engines*DONT FORGET ACC110 PREMIUM MOTOR OIL*

Part No: 10M256
Description:
Oil Filter Element(948/1098cc)
*fits all standard morris minor 948/1098cc engines*DONT FORGET ACC110 PREMIUM MOTOR OIL*
.
Price GB £2.25 Qty

http://www.morrisminorspares.net/shop_item.php?ID=2029

Plenty on ebay too! That element is used on many earlier cars - my 2 litre TR7 engine uses the exact same element.
What is ultra important - is to make sure the large plate and small spring and sealing washer are present inside the casing - the paper cartridge sits on top the plate - and the whole assembly screws into the mounting head compressing the spring and thus pre-loading the element. If /when the element becomes clogged (or just with cold/thick oil at start-up) - the flat plate will be forced downwards against the spring - allowing unfiltered oil to circulate - with some loss of pressure of course! Many A series engines are running unwittingly with effectively NO filtration taking place - the flat plate and/or spring having been thrown away sometime in the past with the dirty filter, and although new elements are religiously fitted by caring owners - if the plate and spring etc are not there - the oil just flows down the centre quite untroubled by the filter cartridge!!
Although I personally dislike the 'screw-on' filter kits that are around (cheapest source is from a scrap Mini engine) - they DO have the major advantage of making SURE the oil is being properly filtered, there being no plate/spring to lose!

I have been pondering something.
When a spin on filter is fitted to an A Series in place of a cartridge filter, the elements recommended seem to lack the bypass feature (e.g. FRAM PH966B ). Should another specification of filter be used to regain this feature? Some other filters, that will fit the spin on housing, have this built in as well as, in some cases, an anti back flow valve. Is there any advantage to this?

I second the absense of the plate and spring. I believe I've only come across one engine that still had them. It constantly amazes me how unobservant most people are, both in the dumping and not noticing something is amiss when refitting.

I imagine all filter elements surely have a 'by-pass' of some sort - to deal with cold/thick oil and clogged filter. No advantage of the anti-drain feature on a standard Minor - but would be useful on Marina engine with that high mounted filter.

I believe I've only come across one engine that still had them.

Out of 15 minors so far, I've only had one where the assembly wasn't put together correctly (this was in a Midget 1275 engine in a rotten van). The engine had a lot of muck in it as it hadn't been filtering.

I know some modern engines have the bypass feature - it can be built into the block instead of the filter.

My 1.7 DTI astra has an element filter - I'm glad to see sensible ideas come back round! The only sad thing was that it didn't look like it had been changed - ever!

anti-drain feature would be useful on any engine, but only if the big ends etc... don't leak out all of the oil anyway!

Anti drain only useful - if the filter is above the crank - which it is not on a standard Minor!

I just had a little search and found that the filter I quoted, PH966B, has no bypass valve. (Not wanting to pick on any manufacturer, the above is just an example of a recommended filter.) Does this lack make this class of filter not a good replacement for the original cartridge filter?

Well - if it has no by-pass, then I wonder what happens under cold conditions with thick oil. In the original filter, the plate pushes down against the spring and oil can flow. If this can't happen - then the oil will struggle to squeeze through the filter element - the pump will be protected ok because the engine relief valve will open - but the bearings may be starved of oil, the filter medium may be damaged by the pressure and/or dirt may be squeezed through the filter medium and out into the oil flow! I see no reason to change from the original filter system - provided the plate and spring are present and assembled correctly! The elements are cheap - and very easy to replace - I just can't understand the rush to change !

I should have pondered longer and I would have answered my own question. The spin on filter head has the bypass built in therefore no need for it in the filter.

Ahhh.

The FRAM PH3614 will also fit and it has the bypass feature built in.