Diagnostic Aids
WARNING: This page is about a different car, the 2004 Suzuki Swift + and 2004 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
Inspect the flywheel ring gear for damage or unusual wear.
Starter Motor Noise Diagnosis
| Step | Action | Yes | No |
|---|---|---|---|
| 1 | Did you review the Battery Description and Operation , the Starting System Description and Operation and the Charging System Description and Operation and perform the necessary inspections? | Go to Step 2 | Go to Symptoms - Engine Electrical |
| 2 | Start the engine. Does the starter operate normally? |
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Start the engine while listening to the starter motor turn. Is there a loud whoop, (it may sound like a siren if the engine is revved while the starter is engaged), after the engine starts, but while the starter is still held in the engaged position? | Go to Step 6 | Go to Step 4 |
| 4 | Do you hear a rumble, a growl, or, in some cases, a knock as the starter is coasting down to a stop after starting the engine? | Go to Step 7 | Go to Step 5 |
| 5 | When the engine is cranked, do you hear a high-pitched whine after the engine cranks and starts normally? (This is often diagnosed as a starter drive gear hang-in or a weak solenoid). | Go to Step 9 | Go to Step 7 |
| 6 | Inspect the flywheel ring gear for the following:
Is the flywheel bent, or does it have damaged teeth? |
Go to Step 8 | Go to Step 9 |
| 7 |
|
Go to Step 9 | Go to Step 8 |
| 8 | Replace the flywheel. Did you complete the replacement? |
Go to Step 10 | - |
| 9 | Replace the starter motor. Refer to Starter Motor Replacement (1.4L/1.5L SOHC and 1.4L/1.6L DOHC . Did you complete the replacement? |
Go to Step 10 | - |
| 10 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |