Starter problems 101-Community World

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Starter problems 101-Community World

If the starter does not function or function with problems, starting the engine can be problematic and sometimes downright impossible. Before beginning the search for why the starter does not spin, it is necessary to remember that this unit functions in conjunction with other car systems in a single chain of starts and charges (battery-start control system-starter). Thus, there are bugs linked with both mechanics and electricity.

Electricity-related breakdown causes:

Suppose the starter does not pivot the engine or rotates leisurely, and there is not enough vigour to start. In that event, you need to inspect the electrical circuit, commencing with the battery:

  • The battery must be well charged;
  • the contacts on the ground must be strong and well attached;
  • the wiring from the retraction relay terminal must be intact and have a good connection;
  • the wire near the battery and starter – not damaged and have good contact;
  • the ignition switch group should work without problem.

 

If there are no clear causes, you need to dismantle the component for examination because, most likely, the collector machine burned out or its plates were closed. But the leading presumable reason is the damage or hanging of the brushes.

Thus, usual starter breakdowns are:

  • Loose fit to the brush collector;
  • The traction relay is faulty;
  • The armature collector is worn out.

 

The mechanism of the starter and its structure:

 

When everything is accurate in terms of electricity and the chain is not vitiated, you need to dismantle the redundant part and inspect it in detail to recognise flaws. But first, you need to uncover everything about the device and the source of the car starter.

 

Car starter structure:

  • front cover;
  • Bendix;
  • gear device;
  • anchor;
  • assembled stator frame;
  • fork;
  • retraction relay;
  • a set of brushes;
  • brushes;
  • the rear cover of a car starter.

 

Starter working mechanism:

 

When the flywheel begins to rotate faster than the Bendix gear, the overtaking clutch will prevent the transfer of torsional torque. Instead, the Bendix will be pulled back by the return spring to its position using the lever.

 

The key in the ignition switch will return to its original position, and the pressure at the control terminal will disappear.

 

Mechanical breakdowns:

 

It can be argued whether there are any mechanical breakdowns when the starter is functioning. Still, the engine cannot start since there are no rotational movements in the crankshaft.

 

When the engine does not start:

 

The clutch skids, the shutdown lever is damaged, or it jumped out of the shaft, the clutch drive ring is worn out, or the buffer spring cannot fulfil its role. If a grinding noise is heard at startup, these signs indicate that the teeth of the flywheel crown are worn out. Then you need to check the regulation of the gear movement and the type of buffer spring.

 

When you hear an uncharacteristic sound when the starter is operating, you need to inspect it from the pit and the space under the hood because, most likely, a starter malfunction has emerged.

 

But besides the fact that malfunctions with the starter device occur at startup, they also appear after it is started. This is a typical situation if the starter device has not disconnected, but torsion continues.

 

Next, you need to quickly turn off the starter terminal or the starter relay terminal and look for the cause of the breakdown of the starter device.

 

BONUS: Expert advice on tyres:

tyres for an off-road vehicle of frame construction are selected more carefully – if the tyres are incorrectly set in the city, the car will drive hard, and on the off-road, with constant slippage. Even the best SUV tyres have been a victim of this due to misapprehension.

 

For the most accurate check of your starter and subsequent repairs, we advise you to find out the technical properties of a particular model. The main ones are:

  • The rated voltage and its power.
  • The current consumption and the resulting torque.
  • The shaft speed.

 

Happy driving!

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