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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSINFINITI2008EX35 AWD V6-3.5L (VQ35HR)REPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTCOOLING SYSTEMSERVICE AND REPAIRENGINE COOLANT: FLUSHING
2008 Infiniti EX35 AWD V6-3.5L (VQ35HR)
Engine Coolant: Flushing
2008 Infiniti EX35 AWD V6-3.5L (VQ35HR)SECTION Engine Coolant: Flushing
ENGINE COOLANT: Flushing
1. Install reservoir tank if removed, and radiator drain plug.
CAUTION:
Be sure to clean drain plug and install with new O-ring.
Tightening torque: Refer to CO-13, "Exploded View". Service and Repair
If water drain plugs on cylinder block are removed, close and tighten them.
2. Remove air relief plug 1) on heater hose.
2: Heater hose
<---: Vehicle front
3. Remove air relief plug 2) on radiator.
1: Reservoir tank
3: Engine cover
<---: Vehicle front
4. Fill radiator with water until water spills from the air relief holes, then close air relief plugs. Fill radiator and reservoir tank with water and reinstall radiator cap.
Tightening torque: Refer to CO-13, "Exploded View". Service and Repair
5. Run the engine and warm it up to normal operating temperature.
6. Rev the engine two or three times under no-load.
7. Stop the engine and wait until it cools down.
8. Drain water from the system.
9. Repeat steps 1 through 8 until clear water begins to drain from radiator.
10. Check that the reservoir tank cap is tightened. FUEL LINES
1. Install reservoir tank if removed, and radiator drain plug.
CAUTION:
Be sure to clean drain plug and install with new O-ring.
Tightening torque: Refer to CO-13, "Exploded View". Service and Repair
If water drain plugs on cylinder block are removed, close and tighten them.
2. Remove air relief plug 1) on heater hose.
2: Heater hose
<---: Vehicle front
3. Remove air relief plug 2) on radiator.
1: Reservoir tank
3: Engine cover
<---: Vehicle front
4. Fill radiator with water until water spills from the air relief holes, then close air relief plugs. Fill radiator and reservoir tank with water and reinstall radiator cap.
Tightening torque: Refer to CO-13, "Exploded View". Service and Repair
5. Run the engine and warm it up to normal operating temperature.
6. Rev the engine two or three times under no-load.
7. Stop the engine and wait until it cools down.
8. Drain water from the system.
9. Repeat steps 1 through 8 until clear water begins to drain from radiator.
10. Check that the reservoir tank cap is tightened. FUEL LINES
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.