Cylinder Block Oil Leaks Found on Some 1995-2002 Honda V6 Engines - Engine Builder Magazine
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Cylinder Block Oil Leaks Found on Some 1995-2002 Honda V6 Engines

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Vehicles affected: 1995-2002 Passport, 1995-2010 Accord,
1999-2010 Odyssey, 2003-’10 Pilot, 2006-’10 Ridgeline, 2010 Accord Crosstour
(with V6 engine)

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Each side of the engine block has four main bearing cap side
bolts (see Figure 1) that hold the bearing caps to the side of the engine
block. The bolt threads, however, aren’t sealed at the factory, so sometimes
engine oil can seep past the threads and the bolt washer, causing a leak on
either side of the block.

Fortunately, it’s an easy fix, so there is no need to
replace the short block. Just remove the affected side bolt and clean it. Then
apply Hondabond HT Silicone Gasket (P/N 08718-0004) to the threads and washer
contact area, reinstall the bolt and torque it to spec. To ensure a good bond,
make sure you let the sealer dry for at least 24 hours before starting the
engine. 

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Courtesy of Mitchell 1
Figure 1 shows where the main bearing cap side bolts are located.

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