2000 Honda InsightFACTORY OEM SERVICE PROCEDURE

Engine Cooling System

MEASUREMENT SPECIFICATION

Item Measurement Qualification Standard or New
Radiator 2000-2003 models Coolant capacities (including engine,
heater, hoses, and reservoir) Use Honda Long Life Antifreeze/ Coolant Type 2
Engine overhaul 4.0 L (1.06 US gal)
Coolant change 2.5 L (0.66 US gal)
Radiator 2004-2006 models Coolant capacities (including engine, heater, hoses, and reservoir)
Use Honda Long Life Antifreeze/ Coolant Type 2
Engine overhaul M/T model 3.9 L (1.03 US gal)
Engine overhaul CVT model 4.0 L (1.06 US gal)
Coolant change 2.3 L (0.61 US gal)
Reservoir Coolant capacity   0.4 L (0.11 US gal)
Radiator cap Opening pressure   93-123 kPa (0.95-1.25 kgf/cm2 , 14-18 psi)
Thermostat Opening temperature Begins to open 187-194 °F (86-90 °C)
Fully open 212°F (100 °C)
Valve lift at fully open   8.0 mm (0.31 in.) min.
Radiator fan Thermoswitch "ON" temperature   201-208 °F (94-98 °C)
Thermoswitch "OFF" temperature   Subtract 5-15 °F (3-8 °C) from actual "ON" temperature
Water pump belt NOTE: Adjust a new belt to the new belt spec, run the engine for 5 minutes, then adjust it to the used belt spec. Deflection with 98 N (10 kgf, 22 lbf) applied mid-way between pulleys Without A/C (With A/C, see "COMPRESSOR BELT" in the A/C table) Used belt: 8.5-11.0 mm (0.33-0.43 in.)
New belt: 7.0-10.0 mm (0.28-0.39 in.)
Tension (measured with belt tension gauge) Without A/C (With A/C, see "COMPRESSOR BELT" in the A/C table) Used belt: 340-490 N (35-50 kgf, 77-110 lbf)
New belt: 440-640 N (45-65 kgf, 99-143 lbf)
Factory Service Tools

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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.

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