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.
Cylinder Block
2004 Acura 3.5RLSECTION Cylinder Block
- Measure cylinder bore taper. If taper exceeds specification, re-bore cylinder for oversize pistons. See CYLINDER BLOCK table under ENGINE SPECIFICATIONS. If any cylinder bore exceeds oversize bore limit, replace cylinder block.
- Cylinders can be bored for 0.010" (0.25 mm) and 0.020" (0.50 mm) oversize. Maximum re-boring is 0.020" (0.50 mm). Check piston-to-cylinder bore clearance after re-boring. See FITTING PISTONS procedure.
- Using feeler gauge and straightedge, measure cylinder block deck warpage. Replace cylinder block if warped beyond service limit. See CYLINDER BLOCK table under ENGINE SPECIFICATIONS.
- If reusing cylinder block, hone cylinders to 60-degree crosshatch pattern. After honing, re-measure cylinder bores. Wash cylinder bore with hot soapy water. Air-dry cylinder bore, and apply engine oil to prevent rusting.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.