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ZF4HP22 and wading


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did some deep water crossings with the range rover yesterday. the wading plug in the bellhousing was in, but when i removed it, there was water coming out! bit worried now, hope i didn't destroy the box! oil looks fine, no traces of water, i presume that water in the bellhousing doesn't mean that it can reach the gearbox itself? any ideas where the water could enter the bellhousing?

regards

orange

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All around where it bolts to the engine, I'd guess - unless you can find some kind of giant funky ring gasket to seal the two. I'd check that all the bellhousing bolts are sensibly tight and not worry until it spits the internals onto the road.

(Of course, I could be using nearly no knowledge to lull you into a false sense of security but it sounds right to me if the water was deep enough, especially if you let it stand for a bit.)

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It will come in through the starter motor

just keep a eye on it and let any water out at regular intervals.

the water can't get into the box but it could contaminate the clutch in a maual.

worry when oil comes out

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Odds are that if the oil is fine, then the box and torque converter are also.

I use copius amounts of RTV silicone sealant around the bell housing and cover plate, and also around the starter motor.

That said, sometimes still get water in, although its that clear I think it is condensation more than anything else, positive preasure on the new build!

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PP CV's also to keep the plop out

what are PP CV's?

and just out of curiosity (and since i had a look at the parts manual), how is power transmitted between engine and the torque converter? seems like there is no shaft, but rather than a clutch, two plates pressed together, transmitting torque through four "blocks" of some sort?

and how is the torque converter supplied with oil, through the shaft?

regards

orange

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