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Bi Ullamh
Member Since: 01 Sep 2011
Location: County Laois
Posts: 10
  
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| Oil level in 05 tdv6 auto gearbox |
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I’m wondering about checking the oil level in my 2.7 diesel auto gearbox. The control sleeve was leaking so I drained the auto box. When I opened the fill plug first (oil was warm) oil started pouring out, not sure how much but I’d say it was well over a liter. I collected about 4 liters in total from the fill plug and then from the drain plug combined. I changed the sleeve and refilled the gearbox at the proper temperature and running it through the gears and it took 4 liters till it started to dribble out of the filler plug hole.
Why did it gush out of the filler plug when I first opened it? ,is it because it was warm?
If I want to check the level now, can it be done without losing the oil?
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 12th Jun 2019 1:49 pm |
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LR3norway
Member Since: 25 Dec 2016
Location: NORWAY
Posts: 193
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The car was running when you opened the plug?
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| 12th Jun 2019 4:45 pm |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10363
 
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The oil level should be checked when the engine is running.
If you had removed the plug with the engine running, you wouldn't have lost much oil.
Add some!
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| 12th Jun 2019 6:09 pm |
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Bi Ullamh
Member Since: 01 Sep 2011
Location: County Laois
Posts: 10
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The engine wasn’t running when I opened the fill plug firstly. The engine and gearbox were warm as I had been driving it an hour before I went to drain the gearbox.
I was expecting no oil to come out or a trickle to come out of the gearbox filler plug before I drained the gearbox. When it gushed out of the filler plug I thought it must have been overfilled 2years ago when Land Rover changed the gearbox filter and fluid. I was able to catch all the oil that came out and I put back in the same amount by filling the box , running the engine and changing up and down through the gears and topping up till it just reached the filler hole.
I’m just thinking now that before I went to drain the gearbox, the previous day I changed the radiator.
No oil came out of the pipes at the radiator for the gearbox cooler. I went for a short drive to check for leaks etc. I wonder did that cause a build up of air pressure or something.
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| 12th Jun 2019 7:58 pm |
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LR3norway
Member Since: 25 Dec 2016
Location: NORWAY
Posts: 193
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When the car is not running the oil returns to the oil sump. Then the oil level exceeds the level plug. Totally opposite from a engine.
When just checking the level I start the engine, goes through the gears and let the car idle until it reaches about 50°C (I use a IR thermometer on the oil pipe).
Then top up the oil, and put back the plug before stopping the car.
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| 12th Jun 2019 8:25 pm |
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Bi Ullamh
Member Since: 01 Sep 2011
Location: County Laois
Posts: 10
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That’s great news, so to check the oil the engine has to be running. I thought it was just for filling it. I was able to check the gearbox temperature with the Lynx Bluetooth obd that I got for Christmas. Much obliged for your help, you’ve put my mind to rest.
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| 12th Jun 2019 10:02 pm |
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