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 MANUALSFORD2004MUSTANG BASE, 2D COUPE, 3.9 6, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2061 (ENGINE MECHANICAL - 2.5L (HYBRID))IN-VEHICLE REPAIRTIMING DRIVE COMPONENTSINSTALLATION
2004 Ford Mustang Base, 2D Coupe, 3.9 6, Automatic
Timing Drive Components: Installation
2004 Ford Mustang Base, 2D Coupe, 3.9 6, AutomaticSECTION Installation
WARNING: This page is about a different car, the 2010 Mercury Milan and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
- Install the camshaft sprockets and the bolts. Do not tighten the bolts at this time.
- Install the timing chain guide and the 2 bolts.
- To install, tighten to 10 Nm (89 lb-in).
- Install the timing chain.
- Install the timing chain tensioner arm.
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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.