How Long Does a Speedometer Cable and Housing Last? | YourMechanic Advice

How Long Does a Speedometer Cable and Housing Last?

Your car’s speedometer is a crucial component. It’s responsible for telling you how fast you’re traveling. If you have a newer car, your speedometer is electronic, even if the readout is analog. In an older car, it’s mechanical, which means you have a speedometer cable that attaches to the back of the housing and runs down to the transmission and driveshaft.

The speedometer cable spins in time with the transmission and driveshaft. This motion creates an electromagnetic current that is used by the magnet, hair spring and needle in the speedometer housing to display the speed of your car. Because the speedometer is in use at all times when you’re moving, the cable (and other components in the housing) is subject to a lot of wear and tear.

There are many other things besides age that can affect a speedometer cable. These include kinks and bends in the cable, gearbox oil getting onto the cable, incorrect routing and many more. The housing itself is pretty durable and should last for the life of the vehicle, but the inner workings of the speedometer are another story.

Some cars have speedometer assemblies that can be repaired when something goes wrong. Others have to be replaced entirely (the entire housing, including the cable, the magnet, the pointer and hair spring must be replaced). There is no definitive use life for the cable or the speedometer itself, though. Age, use, and damage all play significant roles here.

Given the fact that a problem with the speedometer cable could render the readout inaccurate at best or inoperative at worst, it’s smart to know a few of the signs and symptoms that point to a problem with the system. These include:

  • The speedometer needle moves back and forth, without indicating a particular speed
  • The needle bounces
  • A loud noise is heard from the speedometer housing at higher speeds
  • At lower speeds, the needle drops to 0 and then back frequently
  • The Check Engine Light is on
  • The speedometer needle vibrates
  • The speedometer doesn’t work at all

If you’re experiencing any of these symptoms, the professionals at YourMechanic can help. One of our mobile mechanics can come to your home or office, inspect the system and replace the speedometer cable and housing if needed.


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Brett
24 years of experience
GMC Savana 2500 - Car is not starting - Waxhaw, North Carolina
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Honda Accord - Brake Pads Replacement (Front) - Foothill Ranch, California
Excellent service. Arrived early and I'd a great job.
Honda CR-V - Starter - Mission Viejo, California
Chris was amazing! He called ahead to let me know he was running behind, which for me is huge! Communication is the most important thing, and he is great at that! He got to my place and determined the starter was out and then helped me determine the next steps. He came back to finish the job as promised, and he did not leave until it was done. A lot of people would just leave and come back another time, but he asked if he could make sure I had a working car, even if it was 9PM and he got it done! I have never been happier with a mechanic!

Allen

35 years of experience
471 reviews
Allen
35 years of experience
Mazda Miata - Speedometer Cable and Housing - Deltona, Florida
Allen was on time very pleasant and very professional. He explained everything and made some useful recommendations. Would use his services again and would recommend him to friends and family.

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7 years of experience
47 reviews
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7 years of experience
Honda Civic - Oil Change - Atlanta, Georgia
Taylor was amazing!! And so helpful thank you so much

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