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ok following on from the sprit challenge post and seeing the pics of chassis corrosion and woz's advice to check and protect.

lets see where this goes :study: we all know about wax oil ect, but what tips advise, products that you can recommend.
how to get into the tight spaces, how to rub it down. best tools for the job.
and yes a ramp in the real world would be perfect but in the real world nearly all of us will be flat on our backs crawling around to get to things.

i have found a site online that specialise in this and for £500 they will wash clean and wax oil.

so is the work involved to do this yourself actually worth the time and effort, or would you do it as a labour of love.

regards the fish :thumbleft:
 

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Be horrible ****** job

agree but just work on it slowly over time and its not to bad.
would not want to say ok this weekend I'm going to clean rub down and wax oil the lot. just not possible without a ramp and the right tools
 
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IMO Drain cleaner attachment (called a Rat, gives an umbrella effect spray) for the power washer, blast it hard and hot!!

Wait till it dries then drench every orifice available.

Tbh, £500 or not, nobody will do the job as good as you if your mind set !
 

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thing is mines a keeper :D so for a project it can't do any harm :thumbleft:
 

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Prepping and applying Waxoyl is indeed a ****** job, well worth the effort but, horrible all the same.

Dinnitrol is probably better than Waxoyl but, either is better than nothing :thumbright:
 

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To get all the crud out the hard to reach areas underneath i use one those turbo brushes with the revolving head, 20 quid from wilkos, gets in the corners nicely.
 

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Mines done with Dinitrol. Brilliant stuff.

ML3125 in the chassis rails.
ML3125 on the whole under body.
4941 over the top of the ML3125
445 in the wheel arches.

Steam cleaned everything first, and obviously had already cleaned up and painted the chassis beforehand.

Rich
 

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Doing it yourself is certainly an option but would need planning.

I would imagine that spraying waxoyl or a similar product would drip out of holes and joints all over your driveway making another job.

If I was considering doing this I would perhaps use a brush or roller applied product so you can control where it goes.
 

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I don't think brushing or rolling would get it into all the hard-to-reach places.

I'd advise buying one of these:
http://www.ebay.co.uk/itm/UNDERBODY-COATING-GUN-UNDERSEAL-WAXOYL-WAX-OIL-STONECHIP-SCHUTZ-SPRAY-GUN-/230974566850

My brother did the underside of his girlfriend's Defender with waxoyl using one of those. He said it took him about half an hour, and he was being very thorough. Obviously, the hard part was wire-brushing the whole underside first. You'd have to rent a compressor if you don't have one, but I think it would be worth it, considering how easy it makes the job.

EDIT:
I'm not recommending that particular one on eBay. My brother bought one made by a well known air tools company, I just can't think of the name right now.
 

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Jet wash/steam clean as thoroughly as possible. Get some wire brush attachments for grinder and cordless drill and some ramps to get it up in the air. Put down a tarp under the ramps to pin it in place and go to work with the grinder, using the drill to get to places the grinder cant.

Then you want to mask off the stuff you dont want to spray. Wiring, exhaust, gearbox, props ect.

Using the underseal gun mentioned above (you can get packages with one included with the dinitrol) spray on the ML first. This is thin and gets into all the cracks and crevices. Add the hose attachment and do the inside of the chassis rails at the same time.

Flush the gun out with thinners and leave the stuff an hour or so to cure a little. Then spray over the top with a good thick coat of the 4941. This is much thicker, so it wont get into the cracks the ML does, however if left with just the ML, it will get washed off pretty quickly by rain and road spray. So the 4941 provides a protective seal.

Finally spray the arches with 445 stone chip, which will withstand the abuse of stuff being fired at it constantly.

Rich
 

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RICHSPANNERMAN said:
:D :D Hi all my mate had his Rav 4 :homo done it was a very good job the mot man said they only sprayed what they needed to do so shock and discs all clean site is http://www.rust.co.uk it will cost £250.00 the treatment is the same as the m.o.d. use :D :D

That dont sound to bad to me
they quoting about using the dintrol.range to
 

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Agree with Jace, Biggi & Woz about mine, no they are not all the same but Nissans bodywork/chassis protectant isn't all its cracked up to be. Its not gonna happen twice to me so i'm thinking about moving back to East Yorkshire & further away from the coast & giving up farm work.
Who else on here would up sticks & move for the sake of their truck :mrgreen:
Anyways, bought this the other day on the hooky, icky, sticky, gooey stuff, worst than Marmite :lol:
 

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I'm just going to buy some Waxoil, that Aquaseal stuff is for fooking roofs :slaphead
I want me tenner back :lol:
 

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A few shots from having mine done recently by the guys at http://undersealoldham.co.uk/

After steam cleaning they applied a rust treatment to various areas:






Then injected the Dinitrol cavity wax


Then applied the thicker protective Dinitrol wax:






I had a bit of work cleaning up where the cavity wax weeps out but didn't take too long. Looks pretty good under there now although I'm regretting leaving fitting the towbar until it was done :slaphead
 

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Undersealing chassis

Does anyone know How much waxoyl I will need to do the under side of my truck.
Thanks in advance.
Paul
 
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