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 MANUALSACURA2008TL V6-3.2LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYSYSTEM SPECIFICATIONSGENERAL SPECIFICATIONS
2008 Acura TL V6-3.2L
General Specifications
2008 Acura TL V6-3.2LSECTION General Specifications
Surface Variation
Warpage (Standard) 0.07 mm (0.003 in.) max.
Service Limit 0.10 mm (0.004 in.)
Cylinder Bore


Crankshaft
Diameter
Main Journal 71.976 - 72.000 mm (2.8337 - 2.8346 in.)
Rod Journal 54.976 - 55.000 mm (2.1644 - 2.1654 in.)
Journal Taper
Standard (New) 0.005 mm (0.0002 in.) max.
Service Limit 0.010 mm (0.0004 in.)



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.





Connecting Rod
Tightening Torque 20 N.m (2.0 kgf-m, 15 lbf-ft) + 90°
Each connecting rod falls into one of four tolerance ranges from 0 to 0.024 mm (0.0009 in.), in 0.006 mm (0.0002 in.) increments, depending on the size of its big end bore.
It's then stamped with a number or bar (1, 2, 3, or 4/I, II, III, or IIII) indicating the range. You may find any combination of 1, 2, 3, or 4/I, II, III, or IIII in any engine.
Normal bore size 58.0 mm (2.28 in.)
Small-end bore size 21.970 -21.976 mm (0.8650 - 0.8652 in.)
Connecting Rod Bearing




Pistons





Piston Rings
Using a piston, push a new ring (A) into the cylinder bore 15 - 20 mm (0.6 - 0.8 in.) from the bottom.

Piston Ring End-Gap
Top Ring:
Standard (New) 20 - 0.35 mm (0.008 - 0.014 in.)
Service Limit 0.60 mm (0.024 in.)
Second Ring:
Standard (New) 40 - 0.55 mm (0.016 - 0.022 in.)
Service Limit 0.70 mm (0.028 in.)
Oil Ring:
Standard (New) 20 - 0.70 mm (0.008 - 0.028 in.)
Service Limit 0.80 mm (0.031 in.)



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).

Warpage (Standard) 0.07 mm (0.003 in.) max.
Service Limit 0.10 mm (0.004 in.)
Cylinder Bore
Crankshaft
Diameter
Main Journal 71.976 - 72.000 mm (2.8337 - 2.8346 in.)
Rod Journal 54.976 - 55.000 mm (2.1644 - 2.1654 in.)
Journal Taper
Standard (New) 0.005 mm (0.0002 in.) max.
Service Limit 0.010 mm (0.0004 in.)
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.
Connecting Rod
Tightening Torque 20 N.m (2.0 kgf-m, 15 lbf-ft) + 90°
Each connecting rod falls into one of four tolerance ranges from 0 to 0.024 mm (0.0009 in.), in 0.006 mm (0.0002 in.) increments, depending on the size of its big end bore.
It's then stamped with a number or bar (1, 2, 3, or 4/I, II, III, or IIII) indicating the range. You may find any combination of 1, 2, 3, or 4/I, II, III, or IIII in any engine.
Normal bore size 58.0 mm (2.28 in.)
Small-end bore size 21.970 -21.976 mm (0.8650 - 0.8652 in.)
Connecting Rod Bearing
Pistons
Piston Rings
Using a piston, push a new ring (A) into the cylinder bore 15 - 20 mm (0.6 - 0.8 in.) from the bottom.
Piston Ring End-Gap
Top Ring:
Standard (New) 20 - 0.35 mm (0.008 - 0.014 in.)
Service Limit 0.60 mm (0.024 in.)
Second Ring:
Standard (New) 40 - 0.55 mm (0.016 - 0.022 in.)
Service Limit 0.70 mm (0.028 in.)
Oil Ring:
Standard (New) 20 - 0.70 mm (0.008 - 0.028 in.)
Service Limit 0.80 mm (0.031 in.)
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).
RENDER: 1.0x
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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.