How to replace the PCV valve on Lexus RX330?

On all models except 1AR-FE four-cylinder engines, the PCV valve is located in the valve cover. On 1AR-FE models, the PCV valve is mounted in the crankcase breather on the front side of the engine block. On 1AR-FE models, remove the intake manifold. On all models, disconnect the hose. On models with a rubber grommet, pull the PCV valve from the cover; on all other models unscrew the PCV valve from the cover or breather. On all models except 1AR-FE four--cylinder engines, remove the valve from the hose. On all models, remove the valve, then blow through the valve from the valve cover or breather case end. With the engine idling at normal operating temperature, place your finger over the valve opening. If there's no vacuum at the valve, check for a plugged hose or valve. Replace any plugged or deteriorated hoses. Turn off the engine. If air will not pass through the valve in this direction, replace it with a new one. When purchasing a replacement PCV valve, make sure it's for your particular vehicle and engine size. Compare the old valve with the new one to make sure they're the same.

Genuine Lexus RX330 PCV Valve

Position Crank Ventilation Valve

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3 PCV Valves found

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Lexus RX330 Ventilation Valve Sub-Assembly
Part Number: 12204-31040
$6.57 MSRP: $8.46
You Save: $1.89 (23%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve Sub-Assy, Ventilation; PCV Valve
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2006 Lexus RX330 | STD | 6 Cyl 3.5L | 2GRFE; GSU30L-AWAGKA, GSU30L-CWAGKA, GSU35L-AWAGKA, GSU35L-CWAGKA
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Lexus RX330 Ventilation Valve Sub-Assembly
Part Number: 12204-20040
$8.24 MSRP: $10.63
You Save: $2.39 (23%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Sub-Assy, Ventilation; PCV Valve
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2004-2006 Lexus RX330 | STD | 6 Cyl 3.3L | 3MZFE; MCU33L-AWAGKA, MCU33L-CWAGKA, MCU38L-AWAGKA, MCU38L-CWAGKA
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Lexus RX330 Ventilation Valve Sub-Assembly
Part Number: 12204-20060
$12.50 MSRP: $16.12
You Save: $3.62 (23%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Sub-Assy, Ventilation; PCV Valve
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2004-2005 Lexus RX330 | STD | 6 Cyl 3.3L | 3MZFE; MCU33L-CWAGKA, MCU38L-CWAGKA

Lexus RX330 PCV Valve

The PCV Valve in Lexus RX330 automobile is one of the vital parts that aids in emissions and optimum performance of the engine. Thus, the PCV Valve channels the crankcase combustion byproduct gases back into the engine's combustion chambers eradicating environmental pollution as well as the formation of detrimental engine ruining oil sludge. Located depending on the intake manifold vacuum conditions, the PCV Valve only allows gas flow restriction at idle to avoid excessive lean running of the engine while at the same time it allows HP increase with increased blow-by gases at higher RPMs or at times when the engine is loaded up. Also, the PCV Valve plays the role of a flame arrester and helps boost the power of an engine by helping the crankcase and piston rings to improve on the compression. Another common vehicle component that should be checked more often is the PCV Valve, and proper maintenance guarantees a vehicle's good condition without expensive repairs.

Should you need to purchase new auto parts for your vehicle, we strongly suggest you consider the genuine Lexus RX330 PCV Valve available on LexusPartsNow.com. Our OEM Lexus RX330 PCV Valve come with the reassurance of the manufacturer's warranty, a hassle-free return policy, and speedy delivery service, all at affordable prices online. Feel free to shop with confidence!

Lexus RX330 PCV Valve Parts Questions & Experts Answers

Ventilation Valve Sub-Assembly
12204-31040
Q: How to replace the PCV valve on Lexus RX330?
A:
On all models except 1AR-FE four-cylinder engines, the PCV valve is located in the valve cover. On 1AR-FE models, the PCV valve is mounted in the crankcase breather on the front side of the engine block. On 1AR-FE models, remove the intake manifold. On all models, disconnect the hose. On models with a rubber grommet, pull the PCV valve from the cover; on all other models unscrew the PCV valve from the cover or breather. On all models except 1AR-FE four--cylinder engines, remove the valve from the hose. On all models, remove the valve, then blow through the valve from the valve cover or breather case end. With the engine idling at normal operating temperature, place your finger over the valve opening. If there's no vacuum at the valve, check for a plugged hose or valve. Replace any plugged or deteriorated hoses. Turn off the engine. If air will not pass through the valve in this direction, replace it with a new one. When purchasing a replacement PCV valve, make sure it's for your particular vehicle and engine size. Compare the old valve with the new one to make sure they're the same.