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.
2003 Lincoln Aviator AWDFACTORY OEM SERVICE PROCEDURE
Section 1355 (Engine): Assembly: Engine: Material
WARNING: This page is about a different car, the 2005 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
MATERIAL SPECIFICATION
| Item | Specification |
|---|---|
| SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP or equivalent | WSS-M2C930-A |
| Metal Surface Cleaner ZC-21 | WSE-M5B392-A |
| Silicone Gasket and Sealant TA-30 or equivalent | WSE-M4G323-A4 |
| Motorcraft Premium Gold Engine Coolant VC-7-A (in California, Oregon and New Mexico VC-7-B, in Canada CVC-7-A) or equivalent | WSS-M97B51-A1 |
| Motorcraft Silicone Gasket Remover ZC-30 | - |
| Motorcraft Metal Surface Prep ZC-31 | - |
| Hydraulic Chain Tensioner Retaining Clip 1L3Z-6P250-AA | - |
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.