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S80 '06-'16 / V70 & XC70 '07-'16 General Forum for the P3-platform S80 and 70-series models |
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Underbody corrosion advice soughtViews : 688 Replies : 13Users Viewing This Thread : |
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Feb 20th, 2024, 11:39 | #1 |
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Underbody corrosion advice sought
Having just (hopefully) sold my Toyota Landcruiser, I am looking at a P3 XC70 (ideally post facelift later model) as my next vehicle.
My experience with searching for Landcruisers (any Japanese 4x4 really) was to avoid any vehicle that had spent it's life around Scotland/North, as the underbody/chassis frame corrosion was usually horrific compared to cars that had spent their life in the less road-salty areas down South. Is this an issue with Volvo too, or are they perhaps better prepared from the factory for the winter environment, than the Japanese stuff (who don't salt their roads so apply no real underbody protection from new)? Thanks
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Nick Onyx black 2016 Volvo XC70 2.4 D4 (Polestar) 41000 miles |
Feb 20th, 2024, 16:59 | #2 | |
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Quote:
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2007 S80 2.4 D5 - 110,000 miles |
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Feb 20th, 2024, 19:16 | #3 |
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Mines got quite a lot of surface rust on the rear cross member. I’ve got some rust killer ready for when the weather gets a little more pleasant in spring.
I’d definitely recommend having a look at the underside of any prospective purchase if you are able. |
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Feb 20th, 2024, 21:10 | #4 |
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I live in Gloucestershire. Our V70 was first registered and lived the first part of its life in Scotland. The independent garage that has done work on the car commented on the higher than average amount of rust on some of the underbody. They said it's something they often see on vehicles from Scotland.
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V70 D5 SE Lux MY 2008 |
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Feb 20th, 2024, 21:48 | #5 |
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These cars handle rust pretty well, the rear sub frame can get suraface rust as it’s just painted steel but I’ve not seen one suffering from rot. They are pretty substantial. Other areas to watch is front subframe, the sides inside the wheel archs and at the rear where the under tray sits. Again I’ve not seen one so bad it needs replacing but there high traffic areas susceptible to stones ect.
The actual body of the cars are generally sound. Mine are 10 years old and still clean as a bell really for 10 winters. What ever you do, don’t coat it in any thick black so called rust killer or preventer. That will ruin and rot your car.
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Previous -03 S40, 04 V70 D5, 04 V70 D5 Sport, 05 V50, 07 S60 D5, 09 V70 D5 R design, 12 XC60 DrivE, 15 V60 D3 Current- 05 XC90 D5 Exec, 12 XC70 D4 AWD Se Lux, 14 S80 D3 Se Lux |
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Feb 21st, 2024, 12:36 | #6 |
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I mounted the optional mud flaps when my car was new. Saves some wear on the lower part of the body, thus less rust.
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Feb 21st, 2024, 13:58 | #7 |
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Inspect any car before you buy really as a rule of thumb. Check the MOT history online to see if there's been any advisories for rust in the past.
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2007 S80 2.4 D5 - 110,000 miles |
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Feb 24th, 2024, 15:39 | #8 |
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Feb 24th, 2024, 18:36 | #9 |
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It simply rots your car from the inside out, as soon as the salt and moisture penetrate the coating that’s it. You are far better with something like fluid film or people are raving about lanoguard. Anything black and thick is just a disaster. However I have used it to hide all sorts when I’ve had previous old bangers to get rid of………..
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Previous -03 S40, 04 V70 D5, 04 V70 D5 Sport, 05 V50, 07 S60 D5, 09 V70 D5 R design, 12 XC60 DrivE, 15 V60 D3 Current- 05 XC90 D5 Exec, 12 XC70 D4 AWD Se Lux, 14 S80 D3 Se Lux |
Feb 27th, 2024, 14:17 | #10 |
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Applying such a thick coating requires thoughtful surface preparation.
Just spraying / brushing any such roofing tar to "as is" steel seals isn't enough. Water always gets in and under the coating. It was an add-on product offered by car dealers. |
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