Info für Besucher ohne Javascript

36

Photo Gallery «Adventure speedometer overhaul»

When the speedometer fails on a Porsche 911 Carrera (993), the search for spare parts or repair options begins. The author of this feature had to experience this first-hand (or at least on his own car). But he found the right solution.

1

Year of manufacture clearly recognizable - speedometer overhaul

Year of manufacture clearly recognizable - speedometer overhaul

© Emanuel Zifreund, 2025

2

Perfect readability - speedometer overhaul

Perfect readability - speedometer overhaul

© Emanuel Zifreund, 2025

3

VW 411 Instrument cluster - Speedometer overhaul

VW 411 Instrument cluster - Speedometer overhaul

© Emanuel Zifreund, 2025

4

A cogwheel rarely comes alone - speedometer overhaul

A cogwheel rarely comes alone - speedometer overhaul

© Emanuel Zifreund, 2025

5

Here we go - speedometer overhaul

Here we go - speedometer overhaul

© Emanuel Zifreund, 2025

6

First visual check - speedometer overhaul

First visual check - speedometer overhaul

© Emanuel Zifreund, 2025

7

Speedometer test - Speedometer overhaul

Speedometer test - Speedometer overhaul

© Emanuel Zifreund, 2025

8

Workshop equipment - Speedometer overhaul

Workshop equipment - Speedometer overhaul

© Emanuel Zifreund, 2025

9

Cautious first steps - speedometer overhaul

Cautious first steps - speedometer overhaul

© Emanuel Zifreund, 2025

10

Speedometer now without glass - Speedometer overhaul

Speedometer now without glass - Speedometer overhaul

© Emanuel Zifreund, 2025

11

Out of the housing - speedometer overhaul

Out of the housing - speedometer overhaul

© Emanuel Zifreund, 2025

12

Still with speedometer disk and pointer - speedometer overhaul

Still with speedometer disk and pointer - speedometer overhaul

© Emanuel Zifreund, 2025

13

Good thing I don't have to do that - speedometer overhaul

Good thing I don't have to do that - speedometer overhaul

© Emanuel Zifreund, 2025

14

The speedometer disk comes off - speedometer overhaul

The speedometer disk comes off - speedometer overhaul

© Emanuel Zifreund, 2025

15

Getting down to business - speedometer overhaul

Getting down to business - speedometer overhaul

© Emanuel Zifreund, 2025

16

Same VDO sticker as on the housing - speedometer overhaul

Same VDO sticker as on the housing - speedometer overhaul

© Emanuel Zifreund, 2025

17

Inspection of the electrolytic capacitors - Speedometer overhaul

Inspection of the electrolytic capacitors - Speedometer overhaul

© Emanuel Zifreund, 2025

18

Moving on - speedometer overhaul

Moving on - speedometer overhaul

© Emanuel Zifreund, 2025

19

Removal of the electrolytic capacitors - Tachometer overhaul

Removal of the electrolytic capacitors - Tachometer overhaul

© Emanuel Zifreund, 2025

20

Soldering in new electrolytic capacitors - Speedometer overhaul

Soldering in new electrolytic capacitors - Speedometer overhaul

© Emanuel Zifreund, 2025

21

Dexterity is required - speedometer overhaul

Dexterity is required - speedometer overhaul

© Emanuel Zifreund, 2025

22

Tolerance test - speedometer overhaul

Tolerance test - speedometer overhaul

© Emanuel Zifreund, 2025

23

Repair note inside - speedometer overhaul

Repair note inside - speedometer overhaul

© Emanuel Zifreund, 2025

24

Soon ready again - speedometer overhaul

Soon ready again - speedometer overhaul

© Emanuel Zifreund, 2025

25

Fitting the speedometer ring - Speedometer overhaul

Fitting the speedometer ring - Speedometer overhaul

© Emanuel Zifreund, 2025

26

Ready for installation - speedometer overhaul

Ready for installation - speedometer overhaul

© Emanuel Zifreund, 2025

27

Final test - speedometer overhaul

Final test - speedometer overhaul

© Emanuel Zifreund, 2025

28

I too will soon be a speedometer again - speedometer overhaul

I too will soon be a speedometer again - speedometer overhaul

© Emanuel Zifreund, 2025

29

Speedometer dials waiting to be used - Speedometer overhaul

Speedometer dials waiting to be used - Speedometer overhaul

© Emanuel Zifreund, 2025

30

Back in action soon - speedometer overhaul

Back in action soon - speedometer overhaul

© Emanuel Zifreund, 2025

31

There is a lot to do - speedometer overhaul

There is a lot to do - speedometer overhaul

© Emanuel Zifreund, 2025

32

Bulb check - speedometer overhaul

Bulb check - speedometer overhaul

© Emanuel Zifreund, 2025

33

Barely legible - speedometer overhaul

Barely legible - speedometer overhaul

© Emanuel Zifreund, 2025

34

Fuse work - speedometer overhaul

Fuse work - speedometer overhaul

© Emanuel Zifreund, 2025

35

On the left, the cause of the problem - speedometer overhaul

On the left, the cause of the problem - speedometer overhaul

© Emanuel Zifreund, 2025

36

Eddy current principle - speedometer overhaul

Eddy current principle - speedometer overhaul

© Gisbert Marx, 2025