McMuttley Posted October 25, 2014 Report Share Posted October 25, 2014 Just drained the old black stuff out, left to drip all out, it has taken a virtually a full litre to fill to the hole - is that enough (castrol chart says 1 pint???) Or do i need to rotate wheels and will it the take more ? Quote Link to post Share on other sites
RobH Posted October 25, 2014 Report Share Posted October 25, 2014 Fill it until it starts to run back out of the filler plug hole. That is the level. No need to rotate anything. Quote Link to post Share on other sites
Dave Larnder Posted October 26, 2014 Report Share Posted October 26, 2014 Hi Mac If I rememder correctly it takes 0.85 litres so if you have 1.0 litres in , it maybe too full and cause trouble with your oil seals. Dave Quote Link to post Share on other sites
McMuttley Posted October 26, 2014 Author Report Share Posted October 26, 2014 Thanks dave, with spillages and what is in the can / lining the original oil bottle i reckon there is about 0.9l in there, so fingers crossed! Quote Link to post Share on other sites
littlejim Posted October 26, 2014 Report Share Posted October 26, 2014 Fill it until it starts to run back out of the filler plug hole. That is the level. No need to rotate anything. Rob has stated the recognised way of judging that is full. If you are related to Thomas you could stick a little finger in to see how close to the top of the hole the oil is. Quote Link to post Share on other sites
vivdownunder Posted October 26, 2014 Report Share Posted October 26, 2014 Castrol chart is wrong. TR3A owner's manual says the rear axle capacity is 1.5 imperial pints of EP gear oil. Check that the diff breather on the top RH side is operational. Quote Link to post Share on other sites
BrianC Posted October 26, 2014 Report Share Posted October 26, 2014 (edited) It may seem obvious, but the car does need to be sitting level, preferably on its wheels and then fill until it starts to overflow. Easy to overfill and ruin your oil seals and brake linings. Edited October 26, 2014 by BrianC Quote Link to post Share on other sites
McMuttley Posted October 26, 2014 Author Report Share Posted October 26, 2014 mmmmm, only filled til it spilled, had a squeeky wheel this afternoon tho !!! Quote Link to post Share on other sites
vivdownunder Posted October 27, 2014 Report Share Posted October 27, 2014 I prefer to keep the oil level slightly down using littlejim's method. Centrifugal force is the main reason the outer oil seals fail on Girling diffs. Lockheed seals just fail because the diff assemblies were engineered for staid Mayflowers. Cornering a standard trim Mayflower at TR speeds would be alarming to say the least. Viv Quote Link to post Share on other sites
Dave Larnder Posted October 27, 2014 Report Share Posted October 27, 2014 Castrol chart is wrong. TR3A owner's manual says the rear axle capacity is 1.5 imperial pints of EP gear oil. Check that the diff breather on the top RH side is operational. VIV 0.85 litres is equal to 1.5 pints.. Dave Quote Link to post Share on other sites
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