HIGHT QUALITY STARTER CARBON BRUSH HOLDER F214-18-X70 36170-32510 MD611217 STARTER CARBON BRUSH HOLDER FOR Hyundai
Applicable models:Hyundai
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Reference part number: S-5615,3291,E92Z-11061-A,69-8308 69-8308 S-5615 3291 E92Z-11061-A 36170-32510 F214-18-X70 MD611217 MD611918 sbe-330 23378-30R12 23378-aa000 31173-6080 69-8308-1 69 -8308
Product Attributes
| Rated output : | 12V |
| Pulley : | 4PCS |
| Size : | 4.5*12*17.5 |
| Weight : | net weight：0.5KG |
| Packaging : | Neutral kraft paper packaging |
| Spot/Pre sale : | Spot goods |
| Warranty : | 1 year |
| Product number : |
Product Details
| Type : | STARTER CARBON BRUSH HOLDER |
| Specification : | 12V |
| Pulley : | 4PCS |
| Brand : | NUOJIN |
| Number : | S-5615, 36170-32510 |
| Quality : | NEW |
| Delivery time : | 10DAY |
Installation Method for Carbon Fiber Brush Holder of 12V Starter for Hyundai Vehicles
The installation of the carbon fiber brush holder for Hyundai 12V starters shall follow the standard procedure: Power Disassembly → Removal → Cleaning → Positioning → Pre‑loading → Assembly → Testing. Key requirements include ensuring concentricity between the brush holder and the commutator, smooth sliding of carbon brushes, and compliance with spring preload specifications. This procedure is adapted to the structural characteristics of Hyundai starters and can be directly used for maintenance operations and quality control.
I. Pre‑Installation Safety Preparation and Required Tools
Core Safety Prerequisites
Park the vehicle on level ground, shut down the engine, apply the parking brake, and place the transmission in neutral. Disconnect the negative terminal of the 12V battery and keep it disconnected until testing is completed to prevent accidental cranking and short circuits.
Wear insulated gloves and safety goggles. Wrap the disconnected positive cable end with insulating tape and prohibit contact with any metallic parts.
Disassemble the starter only after it is completely de‑energized to avoid short circuits in the internal coils.
Required Tools
Socket set (including M8 and M10 sockets), torque wrench (range: 5–50 N·m), precision screwdrivers (Phillips / slotted), long‑nose pliers, tapered special tool for carbon brush installation (optional, for spring compression).
Lint‑free cleaning cloths, compressed air, copper‑based conductive anti‑seize lubricant, multimeter, insulating tape, carbon brush spring preload tester (optional).
II. Removal of the Original Starter and Extraction of the Old Brush Holder
Complete Starter Removal
- Confirm the starter locationThe Hyundai 12V starter is mounted on the flywheel housing at the engine‑transmission interface, mostly on the right side or underneath. On some models, the undertray or intake components must be removed to access the starter.
- Electrical disconnectionUnplug the solenoid control connector first (press the locking tab and pull vertically) → Remove the B+ main positive power cable (secured by a large nut; fully insulate the cable end after removal) → Disconnect the ground cable (if equipped).
- Mechanical removalLoosen the 2 to 3 M8/M10 mounting bolts evenly and in stages. Support the starter steadily and extract it slowly. Clean oil stains and dust from the work area.
Starter Disassembly and Removal of the Old Brush Holder
Remove the end cover / brush end cover: Loosen the fixing screws in a diagonal sequence, and record the position and orientation of parts to avoid misalignment during reassembly.
Remove the brush holder: Disconnect the soldered or crimped terminals between the brush holder and the stator windings. Loosen the brush holder fixing screws or clips, then take out the old brush holder. Inspect the gaskets and sealing rings for integrity.
Inspection of old components: Replace the assembly if the carbon brush wear exceeds half of the original length, the brush holder is deformed or cracked, or the springs have failed. Resurface or replace the commutator if it is worn or ablated.
III. Standard Installation Procedure for Carbon Fiber Brush Holder
1. Pre‑Installation Inspection and Cleaning
Verify that the new brush holder matches the original unit in model, mounting hole pattern, carbon brush length and material (carbon fiber), and spring specifications. Most Hyundai models adopt a symmetric four‑brush layout, and the brush holder must match the commutator diameter.
Clean oil stains and carbon powder from the commutator surface. Use compressed air to clean the brush holder mounting surface to ensure no foreign matter. If grooves are present on the commutator surface, polish or machine it smooth first.
Ensure the carbon fiber brushes are free of damage or cracks, the conductive terminals show no oxidation, and the sliding channels inside the brush holders are clean and burr‑free.
2. Positioning and Fixing of the Brush Holder
Install the brush holder: Align the new brush holder with the locating pins / screw holes on the end cover to ensure concentricity with the commutator. Thread the screws 2–3 full rotations by hand to confirm smooth engagement without cross‑threading.
Torque tightening: Pre‑tighten the screws diagonally and in stages. Final torque values in accordance with Hyundai original factory specifications:
M6 screws: 8–10 N·m
M8 screws: 12–15 N·m
This prevents deformation of the brush holder.
Terminal connection: Re‑solder or crimp the terminals between the brush holder and the stator windings. Ensure the contact resistance is ≤ 0.3 Ω, with no cold joints or burrs on solder points.
3. Installation of Carbon Fiber Brushes and Spring Preloading (Critical Step)
Insert the carbon brushes: Place the carbon fiber brushes smoothly into the brush holders, ensuring free sliding without jamming in the channels. The contact area between the brush surface and the commutator shall be no less than 75%.
Spring installation: Compress the springs using long‑nose pliers or a special tool. Securely connect the metal contact at the rear of the carbon brush to the conductive copper plate on the brush holder. Control the spring preload at 300–500 gf. Excessive preload accelerates commutator wear, while insufficient preload causes excessive sparking.
Lubrication: Apply a small amount of copper‑based conductive anti‑seize lubricant to the sliding channels of the brush holders to prevent jamming. Lubrication is strictly prohibited on the contact surface between the carbon brushes and the commutator.
Special Installation Precautions for Carbon Fiber Brush Holder of 12V Starter for Hyundai Vehicles
These exclusive precautions cover the entire process including safety prohibitions, disassembly, assembly, carbon brush adjustment, wiring and test run. They target the material properties of carbon fiber brushes and the original factory assembly requirements of Hyundai, and can be directly used in maintenance manuals and on-site construction control.
I. Core Safety Prohibitions (Must Be Prioritized)
Strict Power Disconnection Throughout the Process; Live Disassembly of the Starter Is Strictly Forbidden
The B+ main power terminal of the Hyundai 12V starter is constantly live, and remains energized even when the engine is off and the key is removed. The negative battery terminal must be disconnected first, and the starter must be completely removed from the vehicle and fully de-energized before disassembly and brush holder replacement.It is strictly prohibited to disassemble the end cover and brush holder directly while the vehicle is powered on and the starter is still attached to the engine. This avoids strong electric arcing caused by the wrench grounding, which may ablate the terminal, blow fuses, burn hands, or even damage the ECU. The disconnected B+ main cable must be fully wrapped with insulating tape, and contact with any metal parts is strictly forbidden.
References：Authoritative Sources for Installation Precautions of Carbon Fiber Brush Holder for Hyundai 12V Starters
The content of the Installation Precautions for Carbon Fiber Brush Holder for Hyundai 12V Starters is derived from three categories: core authoritative sources, general industry specifications, and integrated practical maintenance experience. The complete traceability and verification basis is provided below, suitable for citation and compliance validation in technical documents.
I. Core Authoritative Sources (Core of Technical Parameters and Specifications)
Hyundai Original Service Manual
Issuing body: Officially published by Hyundai Motor Company, covering service manuals for model-year specific Hyundai vehicles including Sonata, Elantra and others. It includes starter disassembly, brush holder replacement, torque specifications, electrical connection sequence and related procedures.
Core content: Battery power disconnection specifications, starter mounting torque values (e.g., M8: 20–25 N·m; M10: 40–45 N·m; B+ nut: 8–12 N·m), brush holder locating pin and slot design, carbon brush specification matching requirements, commutator inspection standards, etc.
Traceability path: Model-specific manuals can be accessed via the technical support section of Hyundai’s official website, the DMS system of authorized 4S dealerships, or professional automotive repair databases such as ALLDATA and Mitchell 1. Manual numbers are usually formatted as vehicle code + model year + system module, e.g., Sonata YF 2011–2014 Service Manual (Engine Electrical System – Starter).
Hyundai Official Technical Training Materials
Content includes: diagonal loosening and tightening principles for starter end cover disassembly, carbon brush spring preload standards (300–500 gf), adaptation requirements between carbon fiber brushes and commutators, terminal soldering and crimping specifications, insulation protection key points, and other practical details supplementing the service manual.
Traceability path: Internal training databases of Hyundai authorized dealers and 4S stores, as well as Hyundai technical service platforms such as GDS-M.
Original Equipment Parts Manuals (Hyundai OE Suppliers)
Technical manuals from suppliers of carbon fiber brush holders compatible with Hyundai 12V starters, including Bosch, Valeo and other OEM manufacturers. These documents clearly define brush holder model matching, carbon brush material standards, installation tolerances, spring specifications and other parameters.
Traceability path: Technical support pages on official supplier websites and installation guides provided by authorized distributors.
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