Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Honda Clarity Plug-In HybridFACTORY OEM SERVICE PROCEDURE
Specifications Index
COMMON SPECS & PROCEDURES INDEX
| System | Specification/Procedure | ||
|---|---|---|---|
| Air Conditioning | |||
| Service | |||
| Torque | |||
| Axle Nut/Hub Nut | |||
| 328 N.m (242 lbf.ft) | |||
| Battery | 12 VOLT BATTERY | ||
| Brakes | |||
| Bleeding Sequence | ELECTRIC SERVO BRAKE SYSTEM BLEEDING | ||
| Disc Brakes | |||
| Torque | |||
| Charging | |||
| Service Specifications | |||
| Torque | |||
| Drive Belts | |||
| Belt Routing & Adjustment |
NA |
||
| Engine Cooling | |||
| General Service Specifications | |||
| Radiator Cap Pressure | 93-123 kPa (0.95-1.25 kgf/cm2, 13.5-17.8 psi) | ||
| Thermostat R & I | |||
| Water Pump R & I | |||
| Engine Mechanical | |||
| Compression |
|
||
| Oil Pressure (176°F (80°C) |
|
||
| Overhaul |
See applicable specifications tables in ENGINE MECHANICAL SERVICE SPECIFICATIONS (PLUG-IN) |
||
| Torque | |||
| Fluid Specifications | See FLUIDS under MAINTENANCE tab. | ||
| Flywheel/Flex Plate Torque | 74 N.m (55 ft. lbs.) | ||
| Fuel System | |||
| Pressure Specification | 320 - 370 kPa (3.26 - 3.77 kgf/cm2, 46.4 - 53.7 psi) | ||
| Fuel Pressure Test Procedure | |||
| Ignition | |||
| Firing Order & Cylinder Identification | FIRING ORDER & CYLINDER IDENTIFICATION | ||
| Spark Plug NGK: 7751 | |||
| Gap | 1.0-1.1 mm (0.039-0.043 in) | ||
| Torque | 22 N.m (16 ft. lbs.) | ||
| Starting | |||
| Starter | |||
| Torque | |||
| Wheel Alignment | |||
| Adjustment Specifications | |||
| Torque | |||
| Wheel & Tire | |||
| Wheel Lug Nut Torque | 108 N.m (80 ft. lbs.) | ||
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.