Any thoughts on why my 2002 Ford Taurus 3.0 Litre engine has trouble keeping
the oil filter tight?
It is a company vehical with a maintenance program that allows for a LOF every
5K. I have stuck to the program. However the oil filter has come loose three
times now. Tried changing brands of filters, tried getting it serviced with
O.E. at Ford. Ford found no thread damage. Did it again.
I am able to buy my company cars at the end of the lease, therefore I take
particular care in all maintenance aspects. This one concerns me.
Thank you in advance,
Can't say this has ever happened. Did you personally install the filter
yourself..? Was it the correct size
filter..? Were you the first person assigned to the car..?
Those are simple questions. However, I have seen shops incorrectly install
filters that worked themselves loose at least five(5) times..that was scary
be. Also, if you were the first person assigned this car then you would
know from day one what the car was like, and its maintenance history, and as
to when this problem first occurred. Finally, is there any damage to the
circle/surface where the oil filter rubber seal contacts the engine..?
I can only hope Ford Service and Firestone used the correct size filters. I am
the first person to drive this car. I have an appointment tomorrow morning and
will ask to view the filter "o" ring/gasket contact area on the engine.
On 27 Dec 2003 02:39:18 GMT, email@example.com (W J Cass)
One question I would have is a concern of how much oil
pressure the engine has especially when cold starting. It
is possible that the oil pressure regulator is sticking
causing excessive oil pressure. This would be a problem
particularly in cold operation at high RPM's. Although this
condition would usually rupture the filter housing, this may
be distorting the filter plate instead. Since you are
having Ford take a look, make sure they have the opportunity
to install a mechanical pressure guage and check the
pressure during a cold start after parking outside
overnight. While they are at it, you may want them to
install another filter adapter. IIRC, that is a screw-in
adapter which is replaceable.
Lastly, be sure the filter is being installed and tightened
properly. I believe the instructions are make sure the
gasket surface is coated with engine oil - not grease -
before the filter is installed and, hand tighten the filter
3/4 - 1 turn after the gasket contacts the seat. I have
never seen one come loose when tightened this way. If it is
being installed dry and hand tightened, the gasket will not
be compressed enough to ensure it will seal properly after
it is heated under pressure a few times.
In the fleet that I work for, we have roughly 1500 Taurus's. In the service area
I'm assigned we have about 300 which we do all the necessary PM's. I've not seen
a filter come loose. I suspect that they are not being properly installed. The
medium and heavy trucks in the fleet are serviced by mobile oil change
companies. I make a lot of road calls because of oil leaks. 9 times out of 10
the filter is loose. Tightening up the filter correctly stops the problem until
the next oil change by the mobile company.
I would suggest you do the next oil and filter change and see what happens.
===========================Have someone check the threaded nipple that the filter screws on to. I've
seen these come loose causing the filter to come loose even though it was
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I went to a Ford Service Center today and got a LOF on the Taurus in question.
This is the same facility that changed it last time Nov. 1, 03. I was able to
give the filter another marginal twist (1 in.) before I started it this
Technician stated that they have received a tech bulletin outlining the need to
tighten the filters more on the 3.0 liter 12V engines. The bulletin was issued
shortly after my last visit. I did not see the bulletin; he referred to it
under a different acronym than TSB.
So according to Ford, there is a problem with these coming loose if not torqued
a little more than the norm.
I also read a post from "Lugnut" which also makes sense.
Thank you all for the quick responses.
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