1993 80 Series Rust Damage

Submitted: Tuesday, Sep 04, 2007 at 00:21
ThreadID: 49299 Views:3465 Replies:5 FollowUps:7
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Hi all,

I got stuck in a bog hole With SHMBO, she was out the window and attaching snatch strap, in waste high muddy water.
I flooded my 80 series and had muddy water floating over bottom of gear stick. ( very fine mud, like talcum powder, when dried).
I have striped 4wd and cleaned it out ( Lucky standard model).
I would like to know from the vast amount of experience out there, are there any rust spots that l should know about while the 4wd is apart.

I have fixed the rear windows last year (just light surface bubbles).
Any help would be very appreciated.

Just for interested the water level on 4wd was 1 cm below the wheel arch's sitting for about 7 minutes with motor running and this is what happened.

I had to take everything out of 4wd. all the seats, draw system, all flooring all door panels and all other panels in 4wd. I hosed all the inside of all doors and floor of the 4wd out after removing all the rubber bungs in floor.

All other things that I found out:
1. Had to change all oils in both diffs as water entered both, also changed gear box and transfer case to be safe,
2. Could not start 4wd next morning full of mud (had to tow start). had to pull off starter motor and clean out. (Full of Mud).
3. Mud and water entered both low beam headlights and blew both of them, high beam still worked.
4. Front Indicators both filled with mud and water, but still work.
5. Front seat belts filled with mud and water. worked for a few days, when dried they locked in place and could not use them (Major hassle and had to clean them out).

This is what has happened so far, l did learn a few things from this, just because you went through the bog hole one way, it doesn't mean you can come back the other way.

Hope this helps a few people from my stupid mistake, after 10 year of driving 4wd do not think that you know everything. We can and do come unstuck. we can always learn something along the way. The only way we stop learning is when we stop breathing!!!!!!

Just wanted to know about rust problems, all help would be very appreciated.

Thanks in advance for all help.

Just remember that all that laugh at my misfortune, it will come back and bite ya when ya do not expect it !!!!(ha ha)

Thanks David
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Reply By: Ian from Thermoguard Instruments - Tuesday, Sep 04, 2007 at 06:52

Tuesday, Sep 04, 2007 at 06:52
Hi David,

Managed a similar feat a few months ago in Tassie. But not thorough a job as yours - only the left side sills and door bottoms went under. Still a major pain to clean out door insides and dry the carpets and under carpet insulation - took weeks altogether. [Will try to work out how to post a picie or two sometime.]

I'm not too familiar with the 80 series but I assume the chassis rails are full rectangular sections? With drain holes at the lowest points and hopefully some other holes on the sides higher up somewhere? If so, run the hose into the highest points available and flush out as much silt as possible. Do this with old clothes on and crawl underneath and hose out every other 'crook & nanny' you can see.

If the starter motor was chocker (presumably the pinion mechanism, not the internals of the motor?) then the clutch/bellhousing probably has a lot of crud in it. Does the bellhousing have a drain plug? If so, I suggest pulling the starter off again and flushing the bellhousing out several times. If there was a lot of muddy water on there, your throwout bearing will probably give up the ghost before too long.

Do Toyotas have seperate oil for the front axle swivel housings or does the front diff oil lubricate these as well? If seperate, don't forget to change their oil as well. Hope this helps.
Ian
AnswerID: 260230

Follow Up By: Member - Sweeney (WA) - Tuesday, Sep 04, 2007 at 16:31

Tuesday, Sep 04, 2007 at 16:31
Only the diff got oil in it.
The swivel hub is packed with grease for the king pin bearings and the C.V. joint. Then the wheel bearing have their own grease.
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FollowupID: 521719

Follow Up By: David - Wednesday, Sep 05, 2007 at 07:53

Wednesday, Sep 05, 2007 at 07:53
Ian from Thermoguard Instruments

Thanks for all that have done all of the above, ended up with about 1 tonne of mud and crap on the ground when finished.

I spent quite a while getting drowned doing it, after stripping 4wd it gained about a 75mm lift, it is a same to put all the stuff back in to lose the lift. Also goes a lot better with only front seat in it.

Thanks for your help,
David
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FollowupID: 521816

Reply By: Outnabout David (SA) - Tuesday, Sep 04, 2007 at 07:34

Tuesday, Sep 04, 2007 at 07:34
Would pay to check radiator and air conditioner condensor as when the mud drys it blocks air flow.

many a vehicle has cooked an engine after a bog hole.
AnswerID: 260235

Follow Up By: David - Wednesday, Sep 05, 2007 at 07:46

Wednesday, Sep 05, 2007 at 07:46
Outnabout David (SA)

That was one of the first things that I did, also washed out the alternator as it was full of crap as well.

Thanks for the advice,
David
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FollowupID: 521814

Reply By: traveller2 - Tuesday, Sep 04, 2007 at 08:17

Tuesday, Sep 04, 2007 at 08:17
A friend did similar to you but was a bit deeper (bottom of the dash) and he did waht you have done as well as checking fuel system and diff breathers (they were blocked).
He later had problems with handbrake cables, speedo cable, (thought 80's were electronic) and the actual handbrake shoes as the mud gets in but can't get out, wore the shoes out in no time.
AnswerID: 260244

Follow Up By: David - Wednesday, Sep 05, 2007 at 07:59

Wednesday, Sep 05, 2007 at 07:59
traveller2,

I have had all the wheels off and cleaned out the brakes and handbrake as well, I think that l have covered just about everything,

Just wanted a second opinion on what l should be doing.

Thanks,
David
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FollowupID: 521819

Reply By: Member - DOZER- Tuesday, Sep 04, 2007 at 18:05

Tuesday, Sep 04, 2007 at 18:05
Rust is not a real problem with the 80, if i had to point out a place, it would be where the inner guards meet the fire wall.
If the water was fresh, dont worry, it wont bother the 80, but make sure you do all the bearings and grease all the uni joints.
Andrew
AnswerID: 260340

Follow Up By: David - Wednesday, Sep 05, 2007 at 08:06

Wednesday, Sep 05, 2007 at 08:06
DOZER,

yes it was fresh water, I have given the whole 4wd drive a good hose down, both inside and out. I have also checked all bearings and repacked them, they were all fine. Also gave it all new oils and greased everything as well.

With all the work that has been done to my 4wd it has had a birthday and has come up really well, nice and clean and all bits and pieces serviced. just slowly putting all the inside back together now.

thanks for your input,
David
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FollowupID: 521822

Reply By: Member - Davoe (Nullagine) - Wednesday, Sep 05, 2007 at 10:20

Wednesday, Sep 05, 2007 at 10:20
yet another person finds although burying your 4by in Mud like in the Mags and videos looks like fun. It actually cost many $$$
likely you will be suffering problems from this for a while to come from blocked radiator to stuffed alternater to chewed out pinion seal and shagged brakes.
I see what mud running does to work vehicles and shake my head in disbelief when the yahoos run out at the first sight of rain to stuff there 4bys
AnswerID: 260450

Follow Up By: David - Wednesday, Sep 05, 2007 at 11:23

Wednesday, Sep 05, 2007 at 11:23
Davoe (Nullagine),

Why do you assume that I am a Yahoo out trying to stuff my 4wd, I think you need to find out the facts before you start criticizing people.

For you information we were out clearing tracks of fallen trees and what ever, we had already been passed where l got stuck (on return trip) and had to turn around about 1 km further along due to the track being washed away and the erosion from the rain and water made it impassable.

Yes I know that it cost $$$ to fix and maintain a 4wd and I think that I have covered all the things that I can to keep my 4wd from having problems in the future.

If you read my post properly, I was asking if there where any spots that I should look for rust while I had it apart, as it would be easier to fix now.

I also thought that I would list what happened to my 4wd, so if anyone else in the future happens to do what I did they will have an idea what to look for.

David
In some peoples eyes a 45 year old Yahoo

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FollowupID: 521871

Follow Up By: Member - Davoe (Nullagine) - Wednesday, Sep 05, 2007 at 12:25

Wednesday, Sep 05, 2007 at 12:25
yep fair cop I gathered from your post mud driving wasntnecc your thing My post wast to draw attention to dmn arrsss who think driving through mud coz it looks like fun is damn expensive and over the long haul way more expensive than you could ever dream (20-40k a year)
So my appologys for tarring you with the yahoo feather
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FollowupID: 521885

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