Razor61

Just bought an IS200

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Just purchased a 2003 IS200 SE manual with 74,000 on the clock from a very nice gentleman in Chelmsford. Bought it for the Mrs to use (I have an LS400) instead of an Audi A4 Tdi. I had an IS200 as a company car 2003 - 2007 and I loved it so decided to get another to go with the LS400. First thing was a good wash and put some wax on it, clean the engine bay and then look at the bottom rear arches............. There was no sign of external paint bubbling in this area but I wanted to have a good look. After removing a lot of mud and muck then rear wheels off, I could have a proper look. I am very relieved to see that there are no holes (unlike my LS400!!) and only surface rust so I’ve caught it in time. Wire brushed, sanded with emery cloth, de greased, washed down and dried. Then 2 x coats of hydrate 80 to treat the corrosion that’s left. Next weekend, weather permitting, I’ll clean all of the rear wheel arches, treat any corrosion I find, paint the inner arches including the bits I’ve done today then coat them with Dynax. Also when I get chance I’ll spray Dynax inside the sills etc but not sure on the best way to do this. I’m becoming a dab hand at sorting out rear arches etc on Lexus cars, did the same on the LS400😄

Ill post some pictures later.

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Sounds like my approach to buying new cars for Freda. Initial purchase and then 3 to 4 weeks messing around with it :biggrin:

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1 hour ago, rich1068 said:

nitial purchase and then 3 to 4 weeks messing around with it :biggrin:

Yep, you know the score😀

pics of the car and one of the bottom rear arches after tweatment.

1856C6F3-95E1-4FAE-8EC9-D81C266716C5.thumb.jpeg.e079ffacea472caaaf8557c59a3b8fb7.jpeg
76C1E6E9-1ADB-4371-B2F7-96FB01B158CF.thumb.jpeg.d1ae2c1ae0ce6bcb6d115e5aeab761f0.jpeg

A422802F-AB61-4E3F-AF9C-210BA44CE764.thumb.jpeg.6d1fc10b93d65ac3209664185b37c42f.jpeg

4D8FDBBB-5EC2-4A4D-8AD4-48AEA8E09F80.thumb.jpeg.e0ce7ce61cf35f376c2dba938e4f78c0.jpeg

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Update on the car. All the rear arches and lips have now been treated with Hydrate 80 a couple of times, left to dry and then painted with Por-15 paint. It's all ready for the next dry weekend to be sprayed with Dynax UB/UC and then Dynax S50 sprayed into the sills.

As a follow on from this I thought I'd share what I think about the 'rusty sill' issue that seems to affect a fair number of IS200's and I assume IS300's as well. Maybe everyone knows all about this issue/what to look for and I'm telling you how to suck eggs :g:but what the heck.

Before I purchased this IS200 I did a lot of research into the rear arch/sill rust issue. I have an LS400 which suffered with a similar issue and this prompted me to look into it. I searched forums, including this one, the web and anything else I could think of to gather as much information on the symptoms, what causes it and what the implications are if this issue exists. I watched a few YouTube videos on fixing the issue (links below if you are interested), one not so bad and another that was pretty pretty bad. I couldn't really find much info on what causes it but I have my own idea/s after watching the videos. After all that I decided I wouldn't consider an IS200 with any signs of bubbling in the problem area. I was assured that this car had no signs of bubbling and when I got to the car I checked myself, as documented above.  

Symptoms:

Water gets into the sill and rusts from the inside out apparently so once there is bubbling showing on the outside surface it's already eating through the sill.

Example pics I found. The first shows the bubbling and the second is an example of how bad it can get in the rear arches (similar to my LS400 but not as bad)

Image result for is200 rustImage result for is200 rustty sills

The big question is, how does the water get into the sill in the first place? From my experience on the LS400, I think the bottom of the inner arches and up the sides of the rear inner wing get packed with dirt and mud etc (the plastic covers and shape of the metal contribute to holding it in place). If these areas are not cleaned out regularly, rust appears, eventually rots through into the sill area and water gets into the sill area. Picture 2 above illustrates this. Unless you know about this, which owners of the new cars wouldn't, you wouldn't pay attention to cleaning those areas and keeping them clean so over the years things get rusted.

This is what I think based on what I've read and found but please correct me if I'm wrong and there is another cause, maybe the sill itself can rot on the inner side from outside as well resulting in the same effect.

Links to repair/rescue videos:

There are a few parts

 

 

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All good info, thanks for sharing  🙂

The recurring rear sill rust issue was basically what LED me to part-ex my IS200 Sport 😢. This was after having been repaired by a local bodyshop twice.

 

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No problem, I’ve learned a lot by reading other people’s posts and info on this forum and other places so I try my best to give something back. It’s a shame that the sill rust problem can result in the car being scrapped at worst or you get rid when mechanically there isn’t much wrong. All cars have their weak points of course which don’t appear until they are many years old and Lexus isn’t immune to that. The IS200 I bought is 17 years old and the LS400 is 24 years old so all things considered they are doing pretty well, rust is the enemy rather than the mechanical bits. 

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I was fortunate with my imported 1994 Toyota Celsior ( LS400) in that it spend 12 years in Japan with no road salt exposure and maybe a kinder climate.

I did however shortly after purchase clean out the rear arches of accumulated crud, to be honest there wasn’t much compared to other cars I have owned but I still did it and continue to do it yearly after each UK salted road winter. Although the original sealant was still good I also gave it another coat when dry.

Using a hose pipe and a stiff brush I ensure it gets a good wash out, the only things I tend to find in there now are the odd stone flung up by the tyre.

The result is no rust never mind rot so a little bit of time spent on prevention really does work, this is particularly important on cars like the LS where the sills are clad in plastic making it difficult without removal to see any rot.

 

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Had a look at the front brakes today as they were pulling to the right when braking from a high speed. Up to 50 ish you wouldn’t notice but at 80 you do notice. As I suspected the front left calliper was the problem and one of the pistons wasn’t working correctly, released it so it moves better but I think new callipers are needed or a rebuild. Checked the drivers side as well and it's fine but both will be replaced if it still pulls to the right.

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I have to say that I have nothing but admiration for the chap who restored the IS200 in the videos a few posts above (and anyone who has the balls to attempt repairs like that!). I wish I had a hundredth of his talent and determination. 

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On 10/17/2020 at 5:31 PM, Mincey said:

I have to say that I have nothing but admiration for the chap who restored the IS200 in the videos

So do I, he did a 'proper' job on the sills and the rear end. It was interesting to watch how it all came together. Obviously it cost a bit, around £2k iirc, but not sure if that was just for the bodywork or if that included the cylinder head replacement as well (there are a couple of other videos about this for the same car) I think the car came in for the bodywork but before it arrived the timing belt moved a tooth or 2.

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