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.
Main Bearing Cap
Tighten the bearing cap bolts, and then the bearing cap side bolts to the specified torque in the sequence shown. Repeat the torque sequence again to make sure the bolts are properly torqued.
Rod Bearing Cap
Torque 20 N.m (2.0 kgf-m, 15 lbf-ft) + 90°
Crankshaft Pulley
1) Hold the pulley with the holder handle (A) and holder attachment (B). Torque the bolt to 65 N-m (6.5 kgf-m, 48 lbf-ft) with a torque wrench and heavy duty 19 mm socket (C).
2) Mark the bolt head (D) and crankshaft pulley (E) as shown, then tighten the bolt an additional 60° (The mark on the bolt head lines up with the mark on the crankshaft pulley).
Oil Pump
Install the dowel pins (B), then align the inner rotor with the crankshaft and install the oil pump (C).
Intake Manifold
Install the intake manifold. Tighten the bolts and nuts sequentially in two or three steps.
Water Pump
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.
Main Bearing Cap
Tighten the bearing cap bolts, and then the bearing cap side bolts to the specified torque in the sequence shown. Repeat the torque sequence again to make sure the bolts are properly torqued.
Rod Bearing Cap
Torque 20 N.m (2.0 kgf-m, 15 lbf-ft) + 90°
Crankshaft Pulley
1) Hold the pulley with the holder handle (A) and holder attachment (B). Torque the bolt to 65 N-m (6.5 kgf-m, 48 lbf-ft) with a torque wrench and heavy duty 19 mm socket (C).
2) Mark the bolt head (D) and crankshaft pulley (E) as shown, then tighten the bolt an additional 60° (The mark on the bolt head lines up with the mark on the crankshaft pulley).
Oil Pump
Install the dowel pins (B), then align the inner rotor with the crankshaft and install the oil pump (C).
Intake Manifold
Install the intake manifold. Tighten the bolts and nuts sequentially in two or three steps.
Water Pump
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.
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