Why Car Odometer Not Working?

The odometer is that the faithful mile counter on your dashboard, that keeps you informed about the space that your car has covered. The sole way you’ll know if your car hits the 200,000-mile mark is by having a functioning odometer. But the plastic gears that turn an analog odometer have a bent to interrupt, which causes the car odometer not working. Its working is formed possible by a gear train, that has a fantastic gear ratio of 1690:1. That’s substantial gear reduction. It causes the input shaft to form 1690 rotations, to register a mile.

Why Car Odometer Not Working?

If both your odometer and speedometer aren’t working, then it’s likely your speed sensor must get replaced. These are easily installed and located near the rear of your transmission. If only your odometer is busted, then it’s likely the gears that turn the odometer have broken. Let’s start with the repairing procedure of the odometer.

Repairing An Odometer:

Considering that the rationale for car odometer not working, is that the wearing out of the epicyclic gear, which is that the commonest reason. I present the overview of a general repair procedure, involving its replacement. For information, specific to your car model, ask the acceptable owner’s manual.

Tools And Materials Required:

The tools that you simply will need for the repair are some combination of flathead and Phillips screwdrivers, which can assist you within the initial part. you’ll also need the set of screwdrivers, that are used for computer repair jobs. aside from that, you’ll need to buy a replacement odometer epicyclic gear from the car supplies store, specific to your car model.

Mileage Reset Not Working:

Before we plow ahead, one thing must be made clear. there’s no way you’ll reset the mileage shown by the odometer, through this repair procedure or the other. So you don’t get to worry about causing an accidental resetting. This repair job is extremely delicate work and you would like to be very careful while removing all connected parts and reassembling them together.

It is better to spread a white-colored cloth over your working space, while you’re performing on the speedometer gauge. this may serve two purposes. It’ll be easier to identify the small parts of the speedometer gauge which way, you’ll confirm that they don’t roll away. the work requires tons of patience.

1. Disconnect The Negative Terminal Of battery:

Before you start, disconnect the negative terminal of the automobile battery. The primary part is that the removal of the speedometer gauge. Take hold of the flat head screwdriver and using it, remove the gasket surrounding the circumference of the speedometer gauge.

2. Remove The Speedometer Gauge Assembly:

Gently remove the whole speedometer gauge assembly, out of the dashboard. you would like to be slow in doing this, taking care to not disconnect the wires connected to the gauge, from behind. Look at the backside of the gauge and observe the wire connections made theirs. Take a snapshot, if you would like before you plow ahead and take away the wire connections. That way, you’ll remember the way to put them back.

3. Remove The Gauge Out Of Casing:

The next part is removing the speedometer gauge, out of its casing. Try to do that, first put the speedometer gauge face down, on your surface. Employing a Phillips head screwdriver, remove the casing screws. Now, you’ll remove the core of the gauge, out of its casing and place it in your work area.

4. Remove Reset Post:

Now you want to remove the reset post, that’s attached to the motor casing. It’s a little black-colored box at the reverse side of the speedometer gauge. Slowly pry it out, by pressing at the connection point between the post and therefore the motor casing.

5. Remove The Speedometer Needle:

The next job must be done very carefully because it involves the removal of the speedometer needle, which is susceptible to bending, if not handled carefully. Clutch the bottom of the needle to get rid of it, by slowly turning it clockwise until it can turn no more than pulling it out. You’ll need to rock it back and forth to get rid of it.

Now, using the pc repair size Phillips screwdriver, remove the screws situated within the face of the gauge. Proceed to get rid of the motor casing out of the dial, by pulling it out.

6. Remove Gear Pod:

Next, specialize in the motor casing to get rid of the gear pod, situated at the highest of the casing, that’s attached to its lid. Observe the pod to locate the epicyclic gear inside and pry it off, using the mini flat head screwdriver. When the gear pod get obsessed working, it can make the car odometer not working.

7. Replace Epicyclic Gear & Reassemble:

Then, carefully get the new replacement gear and push it into the position of the old epicyclic gear. With that, your replacement job is actually done and now you want to begin the reassembly of the entire apparatus, putting every tiny part back in place. Enter exact reverse and retrace your steps to place all the pieces of the gauge back together.


This method of repair will work in fact, if the matter lies with the bad epicyclic gear. If there are other major problems, then it’s best to exchange them altogether. As a matter, this procedure can solve  the car odometer not working proble.

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