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Originally Posted by kael
Do you start with a hot engine like Haynes describes?
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Yes, that's always best as oil flows more freely when at normal operating temperature.
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When the level plug (allen key) is removed is the engine still running then, likes Haynes says to do?
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No,
Beinet1's method states that the engine is started at operation number 8 (see thread no. 1).
When Haynes talks about keeping the engine running that is for
checking the level, not draining the gearbox.
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But how long does it taken to warm up the autobox oil when the car is not riding = no load on the auto...?
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Don't try to warm it up by idling. Take the car for a drive.
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I suppose after the refill of the first 4l, the fresh oil wil be mixed inside the box with the remaining oil and in this way also partly be flushed out through the cooler. So these steps maybe need to be done 2x or 3x to have 'all' the old oil out?
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It's one process with clean oil
continuously supplied to the filler plug on the top of the transmission.
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I don't understand Ford Perfect's addition, how can fresh oil be drawn into the gearbox? Do you need 2 containers connected then? a full fresh one on the filler plug and a empty one on the oilcooler connection?
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Ford Prefect is referring to a different procedure which he says he saw used in America. I think he's saying that the return hose from the ATF cooler was used as a suction line from a container of clean fluid, whilst the flow hose to the cooler discharged the used oil into a bucket. Both methods require two containers.
Kurt, if you're in any doubt about
Beinet's method, don't attempt it.
Simon