Skip the auto shop - Our mechanics make house calls

Q: When I went to change the timing belt there were 25 teeth were missing but it didn't jump time - how is this possible?

asked by on

Had an 06 Kia spectra come in to the shop with a clicking noise coming from the timing cover started the car twice in the shop and found that the timing belt was missing some teeth did not start it again pulled the timing belt off and found 25 teeth in a row was missing and the engine had not jumped time a single tooth how is this possible

My car has 151000 miles.
My car has an automatic transmission.

Not all the teeth need to be present in order for the pulleys to turn. However, the only way to tell if the cam and crankshaft were really in the right position relative to one another is to line them up before taking the belt off and when the engine is at TDC on cylinder 1. If all the pulleys were lined up to the marks that are embossed on the engine, the only explanation is that the few remaining teeth were stout enough to turn the pulleys without breaking. However, even that doesn’t seem likely, especially since 25 missing teeth in a row would suggest that there weren’t even enough teeth for the belt to fully engage the crankshaft timing gear, thus slippage would have been inevitable. If the 2.0L engine you have has a double overhead cam, that is an interference engine (the single cam version of the 2.0L is a non-interference engine). If you’d like a professional technician check out the engine for damage, due to the failed belt, and/or install the new timing belt, consider YourMechanic.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  • Home
  • Questions
  • When I went to change the timing belt there were 25 teeth were missing but it didn't jump time - how is this possible?

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Engine shut off cannot be started - 1999 Isuzu Amigo

Hello. From what you describe, it would appear that your vehicle has a few different issues that may be unrelated. The code you pulled is for an issue with the heated oxygen sensor number 2, on engine bank 2. This...

Q: Burning smell coming from under the hood

If you smell an odor from the heater vent outlet then you may be smelling fumes from the outside air from another vehicle or you have an oil leak somewhere on the vehicle. Have the engine checked under the engine...

Q: 06 kia spectra loss of power at high rpms clicking noise. started few times after that just did timing belt still won't start

Hi There, This may be related to many different possibilities, some of which may be related to a lack of spark or possibly timing issues and some of which may be related to a fuel delivery problem or a combination...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.