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.
2004 Ford ThunderbirdFACTORY OEM SERVICE PROCEDURE
Engine Mechanical: Mechanical: Engine: Assembly: Engine
MATERIAL SPECIFICATION
| Item | Specification |
|---|---|
| Motorcraft Premium Gold Engine Coolant VC-7-A or equivalent | WSE-M97B51-A1 |
| Super Premium SAE 5W-20 XO-5W20-QSP or equivalent | WSS-M2C153-H |
| Silicone Gasket and Sealant F7AZ-19554-EA (in Canada CXC-111-A) or equivalent | WSE-M4G323-A4 |
| Metal Surface Cleaner F4AZ-19A536-RA or equivalent | WSE-M5B392-A |
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Remove the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
- Install the components in the order indicated in the following illustration and table.
ITEMS 2-7: CYLINDER HEAD ASSEMBLY NOTEΒ
- Install the knock sensors.
- Position the cylinder heads.
- Install new gaskets.
- Install and tighten the RH head bolts in four stages in the sequence shown.
- Stage 1: Tighten bolts 1 through 10 to 20 Nm (15 lb-ft).
- Stage 2: Tighten bolts 1 through 10 to 35 Nm (26 lb-ft).
- Stage 3: Tighten bolts 1 through 10 to 45 Nm (33 lb-ft) and an additional 90 degrees.
- Stage 4: Tighten bolts 1 through 10 an additional 90 degrees.
- Install and tighten the bolts in two stages.
- Tighten to 20 Nm (15 lb-ft).
- Tighten an additional 90 degrees.
- Install and tighten the LH head bolts in four stages in the sequence shown.
- Stage 1: Tighten bolts 1 through 10 to 20 Nm (15 lb-ft).
- Stage 2: Tighten bolts 1 through 10 to 35 Nm (26 lb-ft).
- Stage 3: Tighten bolts 1 through 10 to 45 Nm (33 lb-ft) and an additional 90 degrees.
- Stage 4: Tighten bolts 1 through 10 an additional 90 degrees.
- Install and tighten the bolts in two stages.
- Tighten to 20 Nm (15 lb-ft).
- Tighten an additional 90 degrees.
NOTE:
The cylinder head bolts are a torque-to-yield design and must not be reused. Always use new bolts.
ITEMS 9-15, 17-23: RH AND LH CAMSHAFT ASSEMBLY NOTEΒ
NOTE:
Apply clean engine oil to the camshaft journals, the camshaft caps and the camshaft lobes prior to installing the camshafts.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
