Repair of capillary type water temp gauge

[BRI MK1]

Hi would anyone know where i could get my speedwell capillary water temp gauge repaired cheers Brian.

[mk1]

Http://www.gnw.co.uk/

https://speedycables.com/

http://www.speedograph-richfield.com/

All will be slow & expensive, but will do a good job.

[dklawson]

Or, if you are adventurous, try the DIY repair following the steps in the link below. I have used this method with a half dozen temperature gauges. It works as long as the gauge is not internally damaged.

http://www.ply33.com/Repair/tempgauge

I have the following comments as additions to the information in the link.
1) If possible, use dry ice to cool the bulb instead of the ice/salt bath. Its cleaner and colder.
2) If the broken gauge does NOT have its needle resting on the low end stop (if the needle is stuck mid-scale) don't bother with bulb replacement. Let the pros do it.
3) Test your repair immediately after the solder splice is cool. It is very easy to have too much solder wick in and plug the capillary tube. If that happens, re-chill the bulb and repeat the repair after snipping off the bad splice.

If the DIY repair doesn't work for you, you can still have a professional repair done. However, generally (unless it is a rare gauge) replacement is easier and less expensive than professional repair. The DIY repair typically costs about $25 U.S. for the donor gauge and materials.

[Peter Laidler]

There was a superb pictorial do-it-yourself guide to doing these gauges on here some time ago. Worked a treat for my friends mini that had an MG Midget dual gauge with a defective capillary tube. Fixed it first try by following the article.

[mk1]

There was a superb pictorial do-it-yourself guide to doing these gauges on here some time ago. Worked a treat for my friends mini that had an MG Midget dual gauge with a defective capillary tube. Fixed it first try by following the article.

The link to the detailed article is reproduced a couple of posts up.

[BRI MK1]

Thank you for all the replies i think i will take it out and have ago myself.

[dklawson]

As you prepare to use the DIY method there are yet more bits of advice I neglected to include in my previous post.

Before you cut any of the capillary tubing, make several of the splice tubes. That way if too much solder wicks in, you'll be prepared to try again with a fresh splice tube.
When making the splice tubes, expect to need (2) different size micro drill bits. The capillary tube on the gauge is likely to be a larger diameter than that on the donor expansion bulb. Two sizes of tubing, two sizes of drill bits.

[Minigman]

Speedograph no longer repairing capillary gauges sadly.

[mk1]

Speedy Cables have always been the best bet for capillary gauges.

https://www.speedycables.com/