Rusty's Second Elan - Keeping it on the Road

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Re: Rusty's Second Elan - Keeping it on the Road

Postby lotusflasherman » Wed 06.12.2017, 14:16

Rambo wrote:Having a sleepless night Phil ? Too much thinking about the tall one in the middle :lol: :lol:


Going :offtopic: but .... Yes, as usual, but it's tinnitus, not Sheila Ferguson - but it may tonight .... SF on youtube.com
Think she's like the M100, may be old but still performs :lol: and where can I find a 70 year old that (mis)behaves like that ? :bananasex:
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Re: Rusty's Second Elan - Keeping it on the Road

Postby Jamie N » Wed 06.12.2017, 20:53

lotusflasherman wrote:Going :offtopic: but .... Yes, as usual, but it's tinnitus, not Sheila Ferguson - but it may tonight .... SF on youtube.com
Think she's like the M100, may be old but still performs :lol: and where can I find a 70 year old that (mis)behaves like that ? :bananasex:






She is 70 ?, chuffin 'eck!!! :D , like the Elan indeed.... curve's in all the right places :-D .
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Re: Rusty's Second Elan - Keeping it on the Road

Postby Rusty Wishbone » Thu 08.02.2018, 00:31

A bit of a coolant leak since the garage replaced the old coolant hoses with my Samco ones. On investigation, it looks like it is leaking at the bleed screw. Tightening resulted in the head of the bleed screw snapping off, so I've just replaced that. I notice that the escaped coolant is pink, so it looks like the garage used OAT coolant. I'm going to drain it down and replace with ethylene glycol coolant.

Anyway, while I was under the car, I noticed that the oil cooler is leaking. I see that SJ's sells their own brand replacement, but before buying one, I wondered if there were any other choices. Any thoughts?
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Re: Rusty's Second Elan - Keeping it on the Road

Postby Brit-Car-Nut » Thu 08.02.2018, 00:37

Remember to flush the system after draining it. You don't want to mix the two types of antifreeze.

Coolex also offer a replacement oil cooler. look for a posting from them.
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Re: Rusty's Second Elan - Keeping it on the Road

Postby Saltire » Thu 08.02.2018, 21:43

Brit-Car-Nut wrote:Coolex also offer a replacement oil cooler. look for a posting from them.


I have the Coolex oil cooler, fitted 2 years ago. Brilliant piece of kit. Just a thought though; is the leak definitely coming from the cooler rather than the pipes? I only ask because one of my pipes was leaking too. I had a local supplier make up new pipes with the existing ends (old ends NLA)
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Re: Rusty's Second Elan - Keeping it on the Road

Postby Rusty Wishbone » Fri 09.02.2018, 00:32

Thanks for comments. I have felt around the top of the oil cooler, and the pipes, and there is no trace of a leak there.
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Re: Rusty's Second Elan - Keeping it on the Road

Postby Rusty Wishbone » Sun 11.02.2018, 22:37

I am getting coolant boiling out of the expansion tank, so advice would be very welcome. Here is the story:

The car has a stainless steel expansion tank - that was there when I bough the car, so has been there for several years. I had the garage replace the old hoses with the SAMCO ones that I bought a couple of years' ago. Ever since the car had the hoses replaced, it has been losing water. This week I hunted around for leaks, and identified that, when hot, water seemed to be leaking from the bleed screw beneath that headlamp. Having a poke around, I discovered that the head of the bleed screw had broken off, so I replaced it. Testing it to temperature again, steam and boiling water is forced out around the reservoir cap as the engine approaches the point where the fans cut in - I think that this is the only place it is escaping. Once cooled, the reservoir is empty. I am using one third ethylene glycol in the coolant water.

I don't really know what to do next. The only thing I can think of is that the reservoir cap doesn't hold enough pressure, but it is on tight. I am puzzled by the fact that the coolant still boils with the antifreeze in there - I thought that antifreeze increased the boiling point of the coolant. The fans cut in at the correct time - when the engine temperature reaches the 3/4 point, and the temperature falls to half way very quickly.

Your advice would be very welcome.
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Re: Rusty's Second Elan - Keeping it on the Road

Postby Brit-Car-Nut » Sun 11.02.2018, 22:42

It may be crazy, but check the thermostat to make sure it is installed correctly: the jiggle pin goes at 12 o'clock. If it is wrong, there will be a coolant void and crazy things will happen.
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Re: Rusty's Second Elan - Keeping it on the Road

Postby Rusty Wishbone » Sun 11.02.2018, 23:03

Thanks BCN. I know that this was installed the correct way up because I did it myself about 2 or 3 years' ago, and was aware of this advice form you at that time.
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Re: Rusty's Second Elan - Keeping it on the Road

Postby par » Mon 12.02.2018, 00:39

Is your heater working on full when bleeding the system?

I had something similar and it was caused by an airlock in the heater matrix, I didn't realise at the time that vacuum pipe was leaking so the heater controls were not working properly. Once I sorted the vacuum leak I successfully bled all the air out of the system and it worked fine.
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Re: Rusty's Second Elan - Keeping it on the Road

Postby Rusty Wishbone » Tue 13.02.2018, 00:30

Yes, the heater is on hot, and heat comes out the vents.

I think I'll order a new header tank cap from SJ's. Incidentally, I think that the header tank is an aluminium one from Coolex.
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Re: Rusty's Second Elan - Keeping it on the Road

Postby lotusflasherman » Tue 13.02.2018, 03:46

Rusty Wishbone wrote: I think I'll order a new header tank cap from SJ's.


Made a quick video for Scott of how to test a pressure cap blow off pressure ... link here Quite easy to do with two hands, not so easy when one is holding the phone to video it .. :lol: Click the youtube link...
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Re: Rusty's Second Elan - Keeping it on the Road

Postby chrisP » Tue 13.02.2018, 16:44

Check the thermostat again, if it fails it can lead to the same symptoms and it is a cheap to replace part in any case. If not is it HGF??
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