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Hi, i have a 04 rx300 which ive had for 14 months with fsh and 69k on the clock.

What are peoples thoughts on underbody sealing, as ive heard that they can suffer from rust.

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I've always been in two minds about it.

Don't think I'd bother.

Maybe just a good hosing down after the winter salt season has finished?

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Hello Carl D from Lancashire, my RX is a year older than yours and the underneath is horrible. I have been told not to worry by my garage but if I had enough disposable income, which i don't, I would have a couple of days in the historic town of spalding whilst the people at rustmaster/buster, whatever they are called, 'dealt' with my car. Spalding, because the firm there uses Dinatrol, and everybody else uses waxoil. Having read up on both products I would place my trust in dinatrol, but I think it has to be applied properly and professionally, and me scrabbling round underneath my car with a grubby old paint brush getting rust flakes in my eyes doesn't meet either of those criteria.

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Thanks gents for you replies, the reason i ask is if im looking to keep long term i dont want to have the bottom in an awful state. Im only doing 5k at max per year so i can justify keeping for a few more years, but i want peace of mind for myself.

I will have a look at dinatrol and read the results. Many thanks

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Bilt Hamber products seem to get the best write up these days. I used a couple of tins to protect underneath my wife's RX, turned out fine, but time will tell.

Pete

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