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.
2008 Acura TL V6-3.2LFACTORY OEM SERVICE PROCEDURE
General Specifications
Cylinder Head
Torque the cylinder head bolts in sequence to 30 N-m (3.0 kgf-m, 22 lbf-ft). After torquing, tighten all cylinder head bolts in two steps (90° per step) if you are using a new cylinder head bolt, tighten the bolt an extra 90°.
Measure the diameter of each cylinder head bolt at point A and point B.
If either diameter is less than 11.3 mm (0.44 in.), replace the cylinder head bolt.
Surface Variation
Warpage (Standard) 0.07 mm (0.003 in.) max.
Service Limit 0.10 mm (0.004 in.)
Camshaft Gear/Sprocket
Torque the cylinder head bolts in sequence to 30 N-m (3.0 kgf-m, 22 lbf-ft). After torquing, tighten all cylinder head bolts in two steps (90° per step) if you are using a new cylinder head bolt, tighten the bolt an extra 90°.
Measure the diameter of each cylinder head bolt at point A and point B.
If either diameter is less than 11.3 mm (0.44 in.), replace the cylinder head bolt.
Surface Variation
Warpage (Standard) 0.07 mm (0.003 in.) max.
Service Limit 0.10 mm (0.004 in.)
Camshaft Gear/Sprocket
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:
- • 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.
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