Inspect the crankshaft pilot bearing for wear and damage.
Inspect the inside surface of the crankshaft pilot bearing with your finger. If the crankshaft pilot bearing is not smooth, replace it; go to step 22.

Heater Unit - Core Replacement Part-1
SRS components are located in this area.
Review the SRS component locations
and
the precautions and procedures
before doing repairs or service.
Do the battery t ...
A/C System Evacuation (With A/C)
Special Tools Required
Compact Electronic Vacuum Gauge Robinair ROB14777, commercially available
*This tool is available through the Honda Tool and Equipment Program; call
888-424-6857
...
Engine Block Drain Bolt/Sealing Bolt Installation
NOTE:
When installing the drain bolt (A), always use a new washer.
When installing the sealing bolt(s) (B), always use a new bolt(s) and
washer(s) (C).
...