Lotus Elan

Water return hose

PostPost by: rgh0 » Sun May 20, 2018 12:52 am

It made no difference to my temperature gauge readings when I changed from the original short adapter to a longer one many years ago.

cheers
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PostPost by: SENC » Mon May 21, 2018 1:19 am

Looked pretty good on the test fit, so used the replacement as is. Next test after I sort the front suspension.

Thanks again for your advice and guidance.

Henry

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PostPost by: SENC » Sun Aug 05, 2018 11:41 pm

Well, finally finished the front suspension and had a brief road test. Unfortunately, the gauge doesn't budge so I suspect I fractured the tube somewhere along the process of removing it and replacing the union. Who's been down this road and can advise on what I'm in for? Not really ready for a dash out job but suspect that is where I'm headed. Any tips or guidance for repair or replacement?

Any non-invasive substitutes I can use while fixing this issue?
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PostPost by: richardcox_lotus » Mon Aug 06, 2018 7:37 am

Confirm it can make a reading by boiling up a pan of water alongside the car, with the bulb inserted, prior to contemplating gauge removal.

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Richard
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PostPost by: SENC » Sun Aug 12, 2018 8:28 pm

Thanks Richard. It failed the boil test, so on to plan b. It turns out that Holden carries a nice replica with the correct scale and matching font to the Smiths unit in my S4, so I ordered one thinking it would be good to have a proper back-up and with plans to have the original redone with other gauges when I get around to a more complete renovation.

Shipping was unbelievably quick so got it installed today, but will be next weekend or so before I have time to give it a field test.

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PostPost by: alan.barker » Wed Aug 22, 2018 4:15 am

It's better to leave the brass adapter in the Head, put a Spanner to stop it rotating and unscrew the outer Nut.
The Temp bulb should slide into Adapter so you do not twist the Capillary Temp Tube. If you unscrew the Adapter in the Head without removing the Temp Bulb first you will twist and damage the Capillary Tube. :shock:
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PostPost by: joe7 » Wed Aug 22, 2018 3:39 pm

There is a "flat" directly behind the brass nut on the capillarity tube, use a proper size small wrench to hold the capillary tube from rotating while turning the brass nut.
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