Starter Motor for ISUZU Engine 028000-6200 028000-6202 1811001410 5811001180 6BD1 6BB1
Applicable models:LSUZU 6BB1 [6BD1],[6BG1】 ZAX200 EX200 SY200
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Reference part number:028000-6200 028000-6202 1811001410 5811001180 6BD1 6BB1 110580 18100N-ND 1811001891 18190N 20432246BN 0210003600, 0210003661, 0210004350, 0210004470, 0-23000-3010 0-23000-3290 0-23000-3661 028000-6200 0-23000-1031 0-23000-1032 0-23000-1033 0-23000-167 0-21000-3291 0-21000-3660 0-21000-3661 0-23000-103
Product Attributes
| Power horsepower : | 24V 4.5KW |
| Number of feet : | 11T |
| Size : | 24*12*16 cm single unit inner box |
| Weight : | net weight：7.45KG gross weight：8.45KG |
| Packaging : | Neutral kraft paper packaging |
| Spot/Pre sale : | Spot goods |
| Warranty : | 1 year |
| Product number : |
Product Details
| Type : | Engine starter |
| Specification : | 24V 4.5KW |
| Number of feet : | 11T |
| Brand : | nuojin |
| Number : | 028000-6200 6BB1 [6BD1]，[6BG1】 |
| Quality : | Remanufacture |
| Delivery time : | 10DAY |
Installation Method for Isuzu 24V Starter Motor
This installation method applies to 24V electromagnetic meshing starter motors for mainstream models of Isuzu commercial vehicles (light truck/heavy truck/bus series). Prior to installation, confirm that the starter motor model matches the engine model (e.g., classic Isuzu models such as 4JB1, 6HK1, 6WF1). The core principles are power-off operation, precise alignment, torque compliance and orderly assembly. Basic tests must be conducted after installation to ensure trouble-free operation.
I. Pre-installation Preparation
1. Tools and Auxiliary Materials
Special tools: Socket wrenches (mainly 10/12/14/17/19mm), torque wrench, flathead/cross screwdrivers, ratchet wrench, extension bars;Auxiliary materials: High-temperature resistant sealant (for engine-side mating surfaces), lock washers (for bolts), copper-based grease (for overrunning clutch/spline shaft), insulating tape, cleaning cloths;Protective gear: Insulating gloves, safety goggles. A 24V multimeter is recommended (for testing circuit continuity).
2. Accessory and Condition Confirmation
Verify that the starter motor's model, power and mounting holes are consistent with the original factory specifications of the Isuzu engine; the 24V starter motor must match the number of teeth on the engine flywheel ring gear;Inspect the starter motor appearance: No damage to the solenoid switch, no corrosion on the terminals, smooth telescoping of the overrunning clutch, no deformation of the spline shaft, and no jamming or abnormal noise from the bearings;Clean the starter motor mounting surface on the engine: Remove oil stains, rust and residual sealant to ensure a flat mating surface; clean the edge of the flywheel ring gear and check for missing or deformed teeth.
3. Safety Operations (Core Requirement)
Disconnect the negative terminal of the vehicle's main power supply (24V models feature two 12V batteries in series; disconnect the negative terminal of the main battery) to prevent circuit short circuits and burnout of components during installation;If there are shielding parts such as engine splash guards and intake pipes, remove the relevant accessories first to reserve sufficient operating space for installation.
II. Removal of the Old Starter Motor (for replacement)
Use a wrench to remove the starter motor's main power cable (thick red wire, connected to the starter motor main terminal) and control wire (thin wire, connected to the small terminal of the solenoid switch), mark the circuits clearly (to avoid reverse connection), and wrap the terminals with insulating tape after removal to prevent short circuits;Use a socket wrench to remove the starter motor mounting bolts (Isuzu 24V starter motors are mostly equipped with 2-3 main mounting bolts, and some models have locating pins). Loosen the bolts first before removal to prevent deformation of the mounting surface due to uneven stress on the bolts;Slowly remove the old starter motor from the mounting surface of the engine flywheel housing. Avoid bumping the flywheel ring gear and engine cylinder block during removal, and check the integrity of the mounting holes and locating pins of the old starter motor.
III. Installation Steps for the New Starter Motor
1. Pre-lubrication and Pre-treatment
Evenly apply a thin layer of copper-based grease to the spline shaft and the tooth surface of the overrunning clutch (butter is prohibited, as it melts and forms carbon deposits at high temperatures) to lubricate the telescoping of the overrunning clutch and its meshing with the flywheel ring gear;If the starter motor mounting surface has a seal groove, evenly apply high-temperature resistant sealant in the groove (apply thinly to prevent excessive sealant from being squeezed into the engine). For surfaces without a seal groove, apply a circle of sealant (3-5mm wide) along the edge of the mating surface.
2. Precise Alignment (Key Step)
Slowly fit the new starter motor to the mounting surface of the engine flywheel housing, ensuring that the locating pin is accurately inserted into the locating hole (for models without locating pins, align the mounting holes with the meshing position of the flywheel ring gear). The clearance between the starter motor overrunning clutch and the flywheel ring gear must be 0.5-1.5mm (original factory standard). Excessive clearance may cause meshing noise, while insufficient clearance may lead to jamming;Screw in 2-3 mounting bolts (with lock washers) by hand without tightening them. Adjust the position of the starter motor to ensure the mounting surface is fully fitted and without offset, avoiding thread slipping caused by forced alignment of the bolts.
3. Tightening of Mounting Bolts
Tighten the mounting bolts in a diagonal sequence with a torque wrench. The standard torque for Isuzu 24V starter motor mounting bolts is 45-60N·m (slightly different for different models, e.g., 55N·m for 6HK1 and 45N·m for 4JB1). Strictly follow the original factory torque to prevent the starter motor from shifting due to vibration during operation caused by loose bolts, or cracking of the mounting surface and bolt breakage caused by over-tightening;After tightening, check if the starter motor is loose. Gently shake the starter motor body—no obvious clearance indicates compliance with the standard.
4. Circuit Connection
Connect the main power cable: Slide the terminal of the thick red wire onto the starter motor main terminal (marked "+" or "BATT"), fit with a flat washer and a spring washer, and tighten the nut with a wrench to a torque of 20-25N·m to ensure a secure connection (poor contact may cause weak starting of the starter motor and burnout of the terminals);Connect the control wire: Slide the terminal of the thin wire onto the small terminal of the solenoid switch (marked "S" or "IGN") and tighten the small nut to a torque of 8-10N·m. Do not apply excessive force to avoid breakage of the small terminal;Post-connection inspection: No circuit entanglement or extrusion; no exposed metal parts on the terminals (wrap with insulating tape if necessary); the main power cable must maintain a safe distance (≥50mm) from high-temperature components such as the engine cylinder block and exhaust pipe to prevent circuit aging.
5. Restoration of Auxiliary Components
Reinstall and tighten the removed auxiliary components such as the engine splash guard, intake pipe and wiring harness bracket to ensure no components interfere with the operation of the starter motor. Organize and secure the vehicle's wiring harnesses firmly.
IV. Post-installation Tests (Mandatory)
Reconnect the negative terminal of the vehicle's main power supply and turn off all electrical equipment (lights, air conditioning, etc.) to avoid low voltage during starting;No-load test: Depress the clutch (manual transmission)/shift to P gear (automatic transmission), turn the ignition switch to the start position. The starter motor should operate smoothly with no abnormal noise or jamming; the solenoid switch should engage crisply, and the overrunning clutch should mesh smoothly. Release the ignition switch after starting—the starter motor should stop immediately without idling or dragging;Load test: Start the engine. The starter motor should drive the engine to run quickly with a starting time ≤3s, no slipping or abnormal noise, and the starter motor overrunning clutch should retract smoothly after the engine starts;Conduct 3-5 consecutive starting tests with an interval of ≥10s between each test. Check the temperature of the starter motor (no abnormal overheating), ensure no overheating of the terminals, and no peculiar smell from the circuits.
References：
The two sections of content you received are not directly excerpted from a single publicly published manual, webpage or third-party document. Instead, they are practical technical documents compiled, refined and integrated based on Isuzu's original factory maintenance specifications and the general industry standards for commercial vehicle starter motors. The following is the authoritative basis and source composition:
I. Core Authoritative Sources (Original Factory-level Basis)
1. Isuzu Official Workshop Manual
The safety specifications, disassembly and assembly sequence, torque standards and model differences in the content are all derived from Isuzu's official workshop manuals, corresponding to the following models:
Light truck series: Original workshop manuals for 4JB1, 4KH1 and 4JA1 (Chapter on Starter Motor: Starter Motor Removal & Installation)
Heavy truck series: Electrical maintenance specifications for 6HK1 and 6WF1 engines
General commercial vehicles: Installation and inspection standards for the 24V starting system of all Isuzu series
Key provisions based on the original factory text:
The requirements of disconnecting the negative battery terminal before installation, the sequence of disassembly and assembly of circuits, and the torque requirements for mounting bolts are fully consistent with Chapter 6D-22 of the Isuzu 4JA1/4JB1 workshop manual.
The cleaning of mounting surfaces, alignment of locating pins and tightening torque for terminals are fully matched with the Key Points for Starter System Installation in Isuzu's original factory maintenance specifications.
Bolt torques (45N·m for 4JB1, 55N·m for 6HK1, 20-25N·m for main terminals and 8-10N·m for control terminals) are all original factory calibrated values.
2. National Automotive Industry Standards (QC/T Automotive Industry Specifications)
The general installation processes, safety operations, fault avoidance and protection requirements in the content comply with:
QC/T 29018-1991 Technical Specifications for Automotive Starter Motors
QC/T 516-1999 Mounting Dimensions for Automotive Starter Motors
Mandatory clauses such as prohibition of live operation, prohibition of striking the starter motor, standard meshing clearance and circuit insulation protection are all mandatory industry specifications.
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