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My guess is he knows what the problem is hes just not letting on. I dont think anyone would let the car without having checked what is leaking and from where. Mike

When my Landcruiser had the dreaded pink fluid (water in auto gearbox) problem, the previous owner had replaced the radiator but sadly despite many flushes and a few years of occasional problems, the box had to be rebuilt. She let me down a few times and every time it was flushed through she would be fine for about a year, sometimes with or without overdrive/lock up working. The writing was on the wall when it finally failed and I literally managed to limp to the specialist with a slipping transmission. He had to get a used box for extra bits in order to rebuild mine and the radiator was fine but replaced as so much stuff from the box had clogged it up!! I would never buy a car with that issue again. I keep my Land Crusher coolant fresh and have it changed regulary. Thank goodness the LS400 has a seperate cooler!!!!! Just my thoughts....Mark.

The seller described the leak as a pink fluid. Has anyone thought that it might just be Toyota Pink Coolant on the driveway? The long-life stuff that is recommended IS pink. I have it in my car. Could be a very easy fix if this is the case. Are we all assuming the worst with a transmission problem? The known 'coolant/ATF mixing problem' comes from an INTERNAL leak not external. Could be cracked radiator(plastic), waterpump (doubtful), or leaky gearbox sump gasket. These repairs are a darn sight cheaper than a rebuilt transmission.

we all know that especially the early 430s suffer from this so if any member has this problem fixed then perhaps the could put it on this forum detailing problem, parts used and associated costs - this will help members alot as this appears to be happening more and more as they age and it would be such a shame to see them going to scrap if the fault is fixeable

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Mine had an mot fail on emissions, it was slightly over on hydrocarbons which equates to unburnt fuel, i did change the 8 plugs for NGK and took the car back the same day and she passed with flying colours, the emissions changed from just over to being well inside the legal requirement. If they say it can't be unburnt fuel because you use shell then tell him thats rubbish, the type of fuel you use has nothing to do with it, read the emissions document you got, if it shows hydrocarbons ( HC fail ) it is unburnt fuel no more no less. How does he know the fuel lines are fine, what did he do to say that. The current HC pass mark is less than 200 ppm, mine with old plugs was 259ppm and after new NGK went to 7 ppm. Denso or NGK plugs are as good as each other and don't ever buy them from the dealer, get them from your local motor discount shop and pay much less than dealer prices, i got IFR6T11 - 8x NGK Laser Iridium Spark Plug for £45 including delivery next day. Other things that could be making the issue worse is an old filter, worn piston rings, dodgy HT cables and ignition coil pack. Check the plugs as you change them and look at the business end for anything other than a brownish greyish tan on the electrode. After the plug change, warm the car and go for a run and clear any cobwebs so to speak.