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 MANUALSINFINITI2003I35 V6-3.5L (VQ35DE)REPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINESEALS AND GASKETSSERVICE AND REPAIR
2003 Infiniti I35 V6-3.5L (VQ35DE)
Seals and Gaskets: Service and Repair
2003 Infiniti I35 V6-3.5L (VQ35DE)SECTION Service and Repair
LIQUID GASKET APPLICATION PROCEDURE
1. Use a scraper to remove all traces of old liquid gasket from mating surfaces and grooves. Also, completely clean any oil from these areas.
2. Apply a continuous bead of liquid gasket to mating surfaces. (Use Genuine RTV silicone sealant or equivalent.)
^ For oil pan, be sure liquid gasket diameter is 3.5 to 4.5 mm (0.138 to 0.177 inch) or 4.5 to 5.5 mm (0.177 to 0.217 inch) as specified.
3. Apply liquid gasket around the inner side of bolt holes (unless otherwise specified).
4. Assembly should be done within 5 minutes after coating.
5. Wait at least 30 minutes before refilling engine oil and engine coolant.
1. Use a scraper to remove all traces of old liquid gasket from mating surfaces and grooves. Also, completely clean any oil from these areas.
2. Apply a continuous bead of liquid gasket to mating surfaces. (Use Genuine RTV silicone sealant or equivalent.)
^ For oil pan, be sure liquid gasket diameter is 3.5 to 4.5 mm (0.138 to 0.177 inch) or 4.5 to 5.5 mm (0.177 to 0.217 inch) as specified.
3. Apply liquid gasket around the inner side of bolt holes (unless otherwise specified).
4. Assembly should be done within 5 minutes after coating.
5. Wait at least 30 minutes before refilling engine oil and engine coolant.
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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.