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Flooded (literally) 12 months later crazy drivetrain groan

Gday legends
Ive had a poke around on here and the net and I cant quite find what I need.

Last year boondall was flooded. well both my girls were out in this flood and it got up to 2-3 inches above the bottom of the door. I didnt have the time to do much about it and had them towed home a few weeks later. (they were at mother-in-laws)
skip forward a year ive done nothing (bad idea right, im sorry i really am) The one that was driving at the time of the flood now has a wonderful grinding, groaning sound when going driving.

The engine turns over and had a tapping sound but that has gone, it has low power but its prob sparks, fuel the usual stuff.

The drive line is what i'm concerned about. It changes gears without issues so its not that. I figure its 1, 2 or all wheel bearings but is there anything else I should check while im under there.
Can the axle be greased? is replacing / checking diff oil easy?

Ive got a gregories book on them so im not asking for a how to, just ideas of things I should check after water damage and not being properly cleaned out/drained afterwards.

Cars are HQ Sedan and HX sedan, 202 engines autos.

Cheers folks
Steve

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Comments

from your description
its more likely rusted disc's and rear brakes/ drums
if it was sitting in flood water for any lenght of time the rear drums, disc's
would start rusting
especially if you left it without doing anything

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if the water was high enough, it could enter the diff and transmission via the breathers.

definitely check wheel bearings and rusted brakes is 100% guaranteed - a car sitting outside with no flood will rust the discs in only a day with normal rain around.

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dont forget to check your universals

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your fuel tank for rust as well, I know it is not what you asked about but worth checking everything below the water line mate.

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Cheers, Lindsay.

4305

Thanks heaps, many things ive not considered. what a pain in the butt.

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Zowie 79 HZ Kingswood, Holly 76 HX 50th, Sally 73 HQ 25th
R.I.P Pop

Front suspension lower ball joints. Not good if they rust and then snap.

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______________________________________________
[http://gallery.oldho...|me shed...]

ball joints, VERY good point, my first wb statesman broke a lower not long after i bought it, looking at the evidence it was seized and any movement was the ball stem flexing until it broke!

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