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mwmcgarva

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  • Gender
    Male
  • Lexus Model
    GS300
  • UK/Ireland Location
    Hertfordshire

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  1. A big thank you to all for the replies to my coolant leak problem. The suggestions enabled me to fix the problem myself avoiding more mechanics bills! Diagnosis - It was the coolant pipe that feeds the cabin heater matrix as ‘norkep’ suggested. It was leaking at the point it connects to the back of the engine block at the top. i was able to see it leaking down the back using my girlfriends make up mirror and a torch. It was bitching to remove because it was very difficult to get some pliers on the clip at the back of the engine, but it’s almost worth the pain for the satisfaction of finally removing it. In hindsight I wish I had just chopped through the clip instead of using pliers. I got a new pipe from Lexus Hatfield for £20 and put jubilee clips in the place of the original tension clips. I used a jubilee clip with a wing nut for the engine block side. Norkep was right- you have to be very careful with the heater valve side of the tube-Its very brittle- I broke a bit off the end, but luckily it seems ok. I hope this thread helps someone because the location of the leak makes it look like its coming from the engine and a very expensive problem to fix( for an amateur mechanically minded owner) ,when all it takes is £20, a couple of days of backache and loss of some knuckle skin.
  2. That sounds promising i will take a look- i think i saw a disc near the leak.
  3. If you dont mind, and have the time, that would be great because my mechanic is in hitchin and im not sure if it will make it there.
  4. Thanks paul- i had a proper look in daylight at the pipes- the black one on the drivers side that gos into the cabin looks ok. The leak is coming from the back of the engine block on the drivers side and dripping down on to the transmission housing. i think it might be the head gasket- i will have to take it in to the garage to get it checked out. if its the head i think the car is a gonner. i will post the verdict after i take it in.
  5. Hi- New member needs help- I have a 1995 Mk1 Lexus Gs300 that i bought six months ago. I was on my way back to England on the eurotunnel when i had a overheat (i know i was risking it going abroad in an old car). i was fortunate because i was just sat in traffic and killed it immediatly, so i dont think i have done any permanent damage -and they let me on the train so i could limp to the total garage in blighty. The RAC guy that turned up did a compression test on the nearly empty radiator after he filled it and water gushed out near the back of the engine on the drivers side. He said one of the coolent pipes that run around the back of the engine must be corroded. Doese anyone now if these pipes are accessible? i am not keen to take it back to the garage since i have already spent more than i paid for it on service+timing belt, new alternator+battery and a rocker cover gasket repair with new sparks +leads. Any suggestions greatly appreciated!
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