Hi Michael,
The "late" TD pumps, commencing about engine #20972, have a priming
plug at the top. With the plug removed, one pours oil into the hole
while someone turns the crank or pulls the starter knob.
Some owners have had success by using a pump oiler to push oil
backwards through the oil pressure gauge line to the pump. Though I've
never had to do this, it sounds messy. Perhaps using a MityVac or some
other suction on the oil pressure gauge line would work to pull oil up
into the pump with less mess.
Another idea that comes to mind is disconnecting the oil pressure
gauge line, putting a rag over the open end, then spinning the engine on
the starter for a second or two, hoping that the absence of resistance
would allow oil to prime and pump quickly.
Has the engine had OK pressure before? Did the oil pump pump up
promtly when engine starts? Did you do the drain & refill fairly
quickly, say within 15 minutes or so? I ask because in all the years
I've driven my TD the pump has never lost its prime. I too fill the
filter, spin it on, (before installing the spin-on I filled the
horizontal cannister), then pull the starter and immediately the gauge
needle would jump up.
Bob
On Fri, 13 Jan 2006 10:21:12 -0500 popeymike@aol.com writes:
> Greetings:
>
> I have always had a hard time priming this pump.
> Finally got around to changing the oil and filter. I have installed
> the spin on filter conversion which I have used successfully for
> about 4 oil and filter changes. Always a problem to prime.
>
> This last time is the worst.
> Have primed, filled filter with oil, filled main tube with oil, and
> still can not get any pressure out of the gauge line. Very
> frustrating. Used thicker and thinner oils 5W and 40W in the
> priming process but majority in the pan is 10-40.
>
> Any suggestions or comments - I want to avoid pulling pump - since I
> need the car to drive this weekend.
>
> Thanks
> Michael Balahutrak
> 1953 MG TD - ran great till oil change
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