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Old 5th October 2018, 15:00   #1
robbrooks
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Default oil leaks

I removed my under-tray this week to find a real mess. The original spongy sound deadening material was soaked in oil and the areas above the tray to the nearside were covered in a black oily mess. I suspect that some of this may have been old oil/ diesel spillages. I still believe I have a leak somewhere in this area, although it doesn't seem like brake fluid. What's the best way to clean this area, so that I can determine whether there are any new leaks and what are the main problem areas for leaks?
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Old 5th October 2018, 16:47   #2
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spray with gunk, leave to soak if you cant brush, then wash off with water

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Old 5th October 2018, 18:26   #3
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I had something similar on mine and was coming from the intercooler o rings that were no longer sealing. The PCV valve hadn't been changed for years and the intake system was full of oil!
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Old 6th October 2018, 08:03   #4
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+1 for intercooler O rings. One of mine was so bad it had swelled and was half way up the outside of the pipe . Lots of yuk to remove.

And yes, check/change the PCV, mine was swollen and solid . If left can lead to nasty/expensive engine problems .

Hopefully it's not clutch fluid from the slave......

Thankfully we have an "Arctic" here in the Midlands so "O" rings and PCV's are sorted very painlessly at a nano meeting .

If you could make it down to Four Ashes this weekend I'm certain you'll have a reliable answer and maybe get it sorted as well and meet lots of lovely enthusiasts

https://the75andztclub.co.uk/forum/s...d.php?t=288262

Good luck.

Andy

PS Something like Gunk should shift the muck. It it's extreme then try White Spirit - not environmentally friendly but it should do the trick.

Last edited by AndyN01; 6th October 2018 at 08:10..
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Old 7th October 2018, 14:42   #5
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Unhappy oil leaks

Further to my post. I removed the under-tray and its looking increasingly like the fuel pump that's leaking. It ties in with my reduction in mpg over the last 6-9 months. I monitor my mpg and this has been slowly decreasing. Best buys for correct fuel pump please, or cure?
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Old 7th October 2018, 14:45   #6
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Quote:
Originally Posted by AndyN01 View Post
+1 for intercooler O rings. One of mine was so bad it had swelled and was half way up the outside of the pipe . Lots of yuk to remove.

And yes, check/change the PCV, mine was swollen and solid . If left can lead to nasty/expensive engine problems .

Hopefully it's not clutch fluid from the slave......

Thankfully we have an "Arctic" here in the Midlands so "O" rings and PCV's are sorted very painlessly at a nano meeting .

If you could make it down to Four Ashes this weekend I'm certain you'll have a reliable answer and maybe get it sorted as well and meet lots of lovely enthusiasts

https://the75andztclub.co.uk/forum/s...d.php?t=288262

Good luck.

Andy

PS Something like Gunk should shift the muck. It it's extreme then try White Spirit - not environmentally friendly but it should do the trick.

If its the fuel pump that's been leaking for over 6 months, then I'm not surprised that its a mess now!
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Old 7th October 2018, 14:47   #7
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Just checked the bottom of the intercooler pipe and its not this. Although its time to change the O rings anyway!
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