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Page 1 of 6 We've put together six of the most common starter motor problems with a guide to correct identification. If you car doesn't start is doesn't necessarily mean a brand new starter is required, perhaps a good old clean. Alternatively, it might indicate a problem else where in the vehicle, such as an oil leak. Take a look through the guide, any queries, ask us!
Drive bearing housing broken during the starting process
| | | | POSSIBLE CAUSEDefective / worn ring gear During the starting process, the pinioin engages in the ring gear. As soon as what is referred to as a "tooth gap" is reached, the starter pinion will suddenly rotate faster than the engine, and the result is that one of the teeth of the pinion now impinges directly onto one of the teeth of the ring gear. When this happens, the armature shaft is levered upwards, leading to the drive bearing housing being broken. In most cases, this can be easily identifies at the bearing sleeve, which will have a clear, upward pressure mark on it. RECTIFICATIONReplace the ring gear / fly wheel. | |
Next we'll look at the pinon teeth binding and roller wheel.
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