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HOMESERVICE MANUALSACURA20043.5RLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 7 (3.5L V6)OVERHAULCYLINDER BLOCK ASSEMBLYCONNECTING ROD BEARING CLEARANCE
2004 Acura 3.5RL

Connecting Rod Bearing Clearance

2004 Acura 3.5RLSECTION Connecting Rod Bearing Clearance
WARNING: This page is about a different car, the 2002 Acura MDX and 2001 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove connecting rod cap and bearing half. Clean crankshaft rod journal and bearing half. Place one strip of Plastigage across rod journal. Install bearing half and cap and tighten bolts to 14 ft. lbs. (19 N.m). Place paint mark on connecting rod and bolt head and turn bolt an additional 90 degrees. DO NOT rotate crankshaft.
  2. Remove rod cap and bearing half and measure widest parts of Plastigage. See CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS  table under ENGINE SPECIFICATIONS.
  3. If Plastigage is too wide or too narrow, remove upper half of bearing. Install a new bearing pair with same color code. Recheck clearance. DO NOT file, shim or scrape bearings or caps to adjust clearance.
  4. If Plastigage shows clearance is still incorrect, insert next larger or smaller bearing. Recheck clearance. If proper clearance cannot be obtained with this adjustment, replace crankshaft and repeat clearance check.
    NOTE: Letters or bars are stamped on end of engine block as code for size of each main journal bore. Use these identifiers, plus numbers stamped on crankshaft, to choose correct bearings. See Figure, Fig 1 and Fig 2 .
Fig 1: Locating Connecting Rod Bearing Codes
G00014493Courtesy of AMERICAN HONDA MOTOR CO., INC.
RENDER: 1.0x

NO RELATED

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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.