Kia Cadenza: Starting System / Starter Repair procedures

Kia Cadenza YG 2016-2024 Service Manual / Engine Electrical System / Starting System / Starter Repair procedures

Removal

1.	Turn the ignition switch OFF and disconnect the battery negative (-) cable.

2.	Remove the under (A) and (B).

3.	Remove the starter cover (A).

4.	Disconnect the starter cable (B) from the B terminal on the solenoid, then disconnect the connector (A) from the S terminal.

5.	Remove the 2 bolts holding the starter, then remove the starter (C).

Installation

Install in the reverse order of removal.

Starter installation bolt:

49.0 ~ 63.7 N.m (5.0 ~ 6.5 kgf.m, 36.2 ~ 47.0 lb-ft)

Start cover installation bolt:

8.8 ~ 13.7N.m (0.9 ~ 1.4kgf.m, 6.5 ~ 10.1lb-ft)

Start cover installation nut :

3.9 ~ 5.9N.m (0.4 ~ 0.6kgf.m, 2.9 ~ 4.3lb-ft)

Disassembly

1.	Disconnect the M-terminal (A) on the starter solenoid assembly (B).

2.	After loosening the 3 screws (A), detach the starter solenoid assembly (B).

3.	Loosen the through bolts (A).

4.	Remove the brush holder assembly (C), the yoke (B), the armature (C) and the rear housing (D).

5.	Remove the lever packing (A) and the lever plate (B).

6.	Remove the shield (A) and the packing (B).

7.	Remove the planet gear (A).

8.	Remove the planet shaft assembly (A) and the lever (B).

9.	Press the stopper (A) using a socket (B).

10.	Remove the stop ring (A) using the stop ring pliers (B).

11.

Remove the stopper (A), overrunning clutch (B), internal gear (C) and planet shaft (D).

Using a suitable pulling tool (A), pull the overrunning clutch stop ring (B) over the stopper (C).

12.	Reassembly is the reverse of disassembly.

Inspection

Starter Solenoid Inspection

1.	Disconnect the lead wire from the M-terminal of solenoid switch.

Connect the battery as shown. If the starter pinion pops out, it is working properly.

•	To avoid damaging the starter, do not leave the battery connected for more than 10 seconds.

Disconnect the battery from the M terminal.

If the pinion does not retract, the hold-in coil is working properly.

•	To avoid damaging the starter, do not leave the battery connected for more than 10 seconds.

Disconnect the battery also from the body. If the pinion retracts immediately, it is working properly.

•	To avoid damaging the starter, do not leave the battery connected for more than 10 seconds.

Free Running Inspection

1.	Place the starter motor in a vise equipped with soft jaws and connect a fully-charged 12-volt battery to starter motor as follows.

2.	Connect a test ammeter (150-ampere scale) and carbon pile rheostats shown is the illustration.

3.	Connect a voltmeter (15-volt scale) across starter motor.

4.	Rotate carbon pile to the off position.

5.	Connect the battery cable from battery''s negative post to the starter motor body.

6.	Adjust until battery voltage shown on the voltmeter reads 11volts.

Confirm that the maximum amperage is within the specifications and that the starter motor turns smoothly and freely.

Items	Specification
Current (Max.)	85
Speed (Min.)	2,550

Armature Inspection And Test

1.	Remove the starter.

2.	Disassemble the starter as shown at the beginning of this procedure.

3.	Inspect the armature for wear or damage from contact with the permanent magnet. If there is wear or damage, replace the armature.

4.	Check the commutator (A) surface. If the surface is dirty or burnt, resurface with emery cloth or a lathe within the following specifications, or recondition with #500 or #600 sandpaper (B).

Measure the commutator (A) runout.

•	If the commutator runout is within the service limit, check the commutator for carbon dust or brass chips between the segments.

•	If the commutator run out is not within the service limit, replace the armature.

Commutator runout

Standard (New): 0.05mm (0.0019in.) max

Service limit: 0.08mm (0.0031in.)

Check the mica depth (A). If the mica is too high (B), undercut the mica with a hacksaw blade to the proper depth. Cut away all the mica (C) between the commutator segments. The undercut should not be too shallow, too narrow, or v-shaped (D).

Commutator mica depth

Standard (New) : 0.8 mm (0.314 in.)

Limit : 0.2mm (0.0079 in.)

7.	Check for continuity between the segments of the commutator. If an open circuit exists between any segments, replace the armature.

8.	Check with an ohmmeter that no continuity exists between the commutator (A) and armature coil core (B), and between the commutator and armature shaft (C). If continuity exists, replace the armature.

Inspect Starter Brush

Brushes that are worm out, or oil-soaked, should be replaced.

Starter Brush Holder Test

1.	Check that there is no continuity between the (+) brush holder (A) and (-) plate (B). If there is continuity, replace the brush holder assembly.

2.	Pry back each brush spring (A) with a screwdriver, then position the brush (B) about halfway out of its holder, and release the spring to hold it there.

Install the armature in the housing, and install the brush holder. Next, pry back each brush spring again, and push the brush down until it seats against the commutator, then release the spring against the end of the brush.

To seat new brushes, slip a strip of #500 or #600 sandpaper, with the grit side up, between the commutator and each brush, and smoothly rotate the armature. The contact surface of the brushes will be sanded to the same contour as the commutator.

Inspect Overrunning Clutch

1.	Slide the overrunning clutch along the shaft. Replace it if does not slide smoothly.

2.	Rotate the overrunning clutch both ways. Does it lock in one direction and rotate smoothly in reverse? If it does not lock in either direction or it locks in both directions, replace it.

3.	If the starter drive gear is worn or damaged, replace the overrunning clutch assembly. (the gear is not available separately). Check the condition of the flywheel or torque converter ring gear if the starter drive gear teeth are damaged.

Cleaning

1.	Do not immerse parts in cleaning solvent. Immersing the yoke assembly and/or armature will damage the insulation wipe these parts with a cloth only.

2.	Do not immerse the drive unit in cleaning solvent. The overrun clutch is pre-lubricated at the factory and sol-vent will wash lubrication from the clutch.

3.	The drive unit may be cleaned with a brush moistened with cleaning solvent and wiped dry with a cloth.

Starter Schematic Diagrams

Circuit Diagram ...

Starter Relay Repair procedures

Inspection 1. Disconnect the battery negative terminal. 2. Remove the fuse box cover. 3. Remove the starter relay (A). 4. Check for continuity between the terminals (30 and 87) using a ...

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