Starter noise (Chevrolet Captiva 1)

Start the engine. If the starter is not working properly, you can correct it as follows. Before you perform the following steps, make sure the battery is fully charged, the cables are clean and tight, and the ground contacts are clean, tight, and in the correct position.

Step	Operation	Values	Yes	No
1	Start the engine, listening to the starter speed. Is there a siren-like noise when the engine speed increases while the starter is engaged, after the engine has started but while the starter is held in the engaged position?	-	Jump to operations 4	Jump to operations 2
2	Is there a "hum", "clatter" or, in severe cases, a "knocking" sound when the starter stops after the engine has started?	-	Jump to operations 5	Jump to operations 3
3	Important: This is often caused by the starter pinion running continuously or the solenoid becoming weak. When turning the engine crankshaft, do you hear a shrill howl at the moment when turning stops and the engine starts to run normally?	-	Jump to operations 6	Jump to operations 5
4	Check the flywheel disc for the following: Splitting of gear teeth Missing gear teeth Fragmentation of teeth Is the flywheel bent or its teeth damaged?	-	Jump to operations 7	Jump to operations 8
5	Remove the starter. Follow step "Starter" in this section. Check the starter bushings and clutch gear. Does the clutch gear have split or broken teeth or worn bushings?	-	Jump to operations 8	Jump to operations 7
6	Remove the starter from the flywheel, adding one washer at a time between the starter and the engine block. Flywheel runout can cause this noise to become intermittent. Is the renovation complete?	-	Jump to operations 9	-
7	Replace flywheel. Has the replacement been made?	-	Jump to operations 9	-
8	Replace the starter. Follow step "Starter" in this section. Has the replacement been made?	-	Jump to operations 9	-
9	Turn on the system to check the repair results. Has the problem been resolved?	-	The system is normal	Jump to operations 1