Honda CR-V: Crankcase Emissions Control System
Honda CR-V (2006–2011) Owner's Manual / Technical Information / Emissions Controls / Crankcase Emissions Control System
Your vehicle has a positive crankcase ventilation system. This keeps gasses that build up in the engine’s crankcase from going into the atmosphere. The positive crankcase ventilation valve routes them from the crankcase back to the intake manifold. They are then drawn into the engine and burned.
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Evaporative Emissions Control System
As gasoline evaporates in the fuel
tank, an evaporative emissions
control canister filled with charcoal
adsorbs the vapor. It is stored in this
canister while the engine is off. After
the en
Onboard Refueling Vapor Recovery
The onboard refueling vapor
recovery (ORVR) system captures
the fuel vapors during refueling. The
vapors are adsorbed in a canister
filled with activated carbon. While
driving, the fuel vapo
Exhaust Emissions Controls
The exhaust emissions controls
include three systems: PGM-FI,
ignition timing control, and three
way catalytic converter. These three
systems work together to control the
engine’s combusti
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Piston Ring Replacement
1. Remove the piston from the engine block.
2. Using a ring expander (A), remove the old piston
rings (B).
3. Clean all ring grooves thoroughly with a squared-off
broken ring or ring groove cleaner with a blade
to fit the piston grooves.
The top and 2nd ring grooves are 1.2 mm (0.05 in.)
wide. Th
Receiver/Dryer Desiccant
Replacement
NOTE: Install the receiver/dryer as quickly as possible
to prevent the system from absorbing moisture from
the air.
1. Remove the A/C condenser.
2. Remove the cap (A) from the bottom of the A/C
condenser. Remove the O-ring (B) and the
desiccant (C).
3. Install the receiver/dryer in the reverse or
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