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.
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HOMESERVICE MANUALSTOYOTA20034 RUNNER 2WD V6-4.0L (1GR-FE)REPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINEWATER PUMPSPECIFICATIONS
2003 Toyota 4 Runner 2WD V6-4.0L (1GR-FE)
Water Pump: Specifications
2003 Toyota 4 Runner 2WD V6-4.0L (1GR-FE)SECTION Specifications
Water pump assy x Timing chain or belt cover sub-assy
10 mm (0.39 inch) head 9.0 Nm (92 kgf-cm, 80 inch lbs.)
12 mm (0.47 inch) head 23 Nm (235 kgf-cm, 17 ft. lbs.)
Fan w/fluid coupling x Water pump 21 Nm (214 kgf-cm, 15 ft. lbs.)
10 mm (0.39 inch) head 9.0 Nm (92 kgf-cm, 80 inch lbs.)
12 mm (0.47 inch) head 23 Nm (235 kgf-cm, 17 ft. lbs.)
Fan w/fluid coupling x Water pump 21 Nm (214 kgf-cm, 15 ft. lbs.)
RENDER: 1.0x
NO RELATED
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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.