What Is the Function of the Positive Crankcase Ventilation (PCV) System and PCV Valve and How Do You Check and Replace on Toyota T100?

The Positive Crankcase Ventilation (PCV) system reduces hydrocarbon emissions by scavenging crankcase vapors, circulating fresh air from the air cleaner through the crankcase to mix with blow-by gases, which are then rerouted through a PCV valve to the intake manifold. Key components include the PCV valve, fresh air intake, and vacuum hoses connecting these parts to the engine. To maintain idle quality, the PCV valve restricts flow when intake manifold vacuum is high, and in abnormal conditions, it allows excessive blow-by gases to flow back into the air cleaner for combustion. This system can lead to oily residue buildup near the throttle plate, so periodic cleaning is advisable. To check the valve, remove it from the grommet and shake it; a rattling sound indicates it is not clogged. If vacuum is felt when covering the valve opening during idle, the valve is functioning properly; otherwise, it may need replacement or the hose could be plugged. For replacement, pull the valve straight up, inspect the rubber grommet for damage, and clean or replace the hose if necessary. After cleaning, ensure the hose fits snugly, and install a new PCV valve if needed, securing both the valve and hose properly.

Genuine Toyota T100 PCV Valve

Position Crank Ventilation Valve

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3 PCV Valves found

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Toyota T100 Valve Sub-Assy, Ventilation
Part Number: 12204-62010
$13.55 MSRP: $18.95
You Save: $5.40 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: PCV Valve
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1994-1998 Toyota T100 | DLX, SR5, STD | 4 Cyl 2.7L, 6 Cyl 3.0L, 6 Cyl 3.4L | 3RZFE, 3VZE, 5VZFE; RCK10L-TRMRKA, RCK10L-TRSRKA, VCK10L-THMREA, VCK10L-THSREA, VCK10L-TRMREA, VCK10L-TRMREK, VCK10L-TRMSEA, VCK10L-TRMSEK, VCK10L-TRSREA, VCK10L-TRSREK, VCK10L-TRSSEA, VCK10L-TRSSEK, VCK11L-CRMDKA, VCK11L-CRMDKK, VCK11L-CRMSKA, VCK11L-CRSDKA, VCK11L-CRSDKK, VCK11L-CRSSKA, VCK11L-THMDKA, VCK11L-THSDKA, VCK11L-TRMDKA, VCK11L-TRMDKK, VCK11L-TRMRKA, VCK11L-TRMSKA, VCK11L-TRSDKA, VCK11L-TRSDKK, VCK11L-TRSSKA, VCK20L-TRMREA, VCK20L-TRMREK, VCK20L-TRMSEA, VCK20L-TRMSEK, VCK20L-TRSREA, VCK20L-TRSREK, VCK20L-TRSSEA, VCK20L-TRSSEK, VCK21L-CRMDKA, VCK21L-CRMDKK, VCK21L-CRMSKA, VCK21L-CRMSKK, VCK21L-CRSDKA, VCK21L-CRSDKK, VCK21L-CRSSKA, VCK21L-CRSSKK, VCK21L-TRMDKA, VCK21L-TRMDKK, VCK21L-TRMSKA, VCK21L-TRMSKK, VCK21L-TRSDKA, VCK21L-TRSDKK, VCK21L-TRSSKA, VCK21L-TRSSKK
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Toyota T100 Valve Sub-Assy, Ventilation
Part Number: 12204-75010
$7.72 MSRP: $10.79
You Save: $3.07 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: PCV Valve
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1993-1998 Toyota T100 | DLX, SR5, STD | 4 Cyl 2.7L, 6 Cyl 3.0L, 6 Cyl 3.4L | 3RZFE, 3VZE, 5VZFE; RCK10L-TRMRKA, RCK10L-TRSRKA, VCK10L-THMREA, VCK10L-THSREA, VCK10L-TRMREA, VCK10L-TRMREK, VCK10L-TRMSEA, VCK10L-TRMSEK, VCK10L-TRSREA, VCK10L-TRSREK, VCK10L-TRSSEA, VCK10L-TRSSEK, VCK11L-CRMDKA, VCK11L-CRMDKK, VCK11L-CRMSKA, VCK11L-CRSDKA, VCK11L-CRSDKK, VCK11L-CRSSKA, VCK11L-THMDKA, VCK11L-THSDKA, VCK11L-TRMDKA, VCK11L-TRMDKK, VCK11L-TRMRKA, VCK11L-TRMSKA, VCK11L-TRSDKA, VCK11L-TRSDKK, VCK11L-TRSSKA, VCK20L-TRMREA, VCK20L-TRMREK, VCK20L-TRMSEA, VCK20L-TRMSEK, VCK20L-TRSREA, VCK20L-TRSREK, VCK20L-TRSSEA, VCK20L-TRSSEK, VCK21L-CRMDKA, VCK21L-CRMDKK, VCK21L-CRMSKA, VCK21L-CRMSKK, VCK21L-CRSDKA, VCK21L-CRSDKK, VCK21L-CRSSKA, VCK21L-CRSSKK, VCK21L-TRMDKA, VCK21L-TRMDKK, VCK21L-TRMSKA, VCK21L-TRMSKK, VCK21L-TRSDKA, VCK21L-TRSDKK, VCK21L-TRSSKA, VCK21L-TRSSKK
View related parts
Toyota T100 Valve Sub-Assy, Ventilation
Part Number: 12204-65010
$7.72 MSRP: $10.79
You Save: $3.07 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: PCV Valve
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1993-1995 Toyota T100 | DLX, SR5, STD | 4 Cyl 2.7L, 6 Cyl 3.0L, 6 Cyl 3.4L | 3RZFE, 3VZE, 5VZFE; RCK10L-TRMRKA, RCK10L-TRSRKA, VCK10L-THMREA, VCK10L-THSREA, VCK10L-TRMREA, VCK10L-TRMREK, VCK10L-TRMSEA, VCK10L-TRMSEK, VCK10L-TRSREA, VCK10L-TRSREK, VCK10L-TRSSEA, VCK10L-TRSSEK, VCK11L-CRMDKA, VCK11L-CRMDKK, VCK11L-CRMSKA, VCK11L-CRSDKA, VCK11L-CRSDKK, VCK11L-CRSSKA, VCK11L-THMDKA, VCK11L-THSDKA, VCK11L-TRMDKA, VCK11L-TRMDKK, VCK11L-TRMRKA, VCK11L-TRMSKA, VCK11L-TRSDKA, VCK11L-TRSDKK, VCK11L-TRSSKA, VCK20L-TRMREA, VCK20L-TRMREK, VCK20L-TRMSEA, VCK20L-TRMSEK, VCK20L-TRSREA, VCK20L-TRSREK, VCK20L-TRSSEA, VCK20L-TRSSEK, VCK21L-CRMDKA, VCK21L-CRMSKA, VCK21L-CRMSKK, VCK21L-CRSDKA, VCK21L-CRSSKA, VCK21L-CRSSKK, VCK21L-TRMDKA, VCK21L-TRMDKK, VCK21L-TRMSKA, VCK21L-TRMSKK, VCK21L-TRSDKA, VCK21L-TRSDKK, VCK21L-TRSSKA, VCK21L-TRSSKK

Toyota T100 PCV Valve

The PCV Valve in Toyota T100 automobiles is one of the critical conductivity that is used in minimizing emissions and equally, improve the engine's performance. Harm to the environment by the byproduct gases of combustion together with the formation of sludge in the engine's crankcase is prevented by letting the PCV Valve recycle the gases to the combustion chambers of the engine. Working under the conditions of intake manifold vacuum, the PCV Valve closes the gas flow in idle mode and opens it during active driving to provide the proper crankcase gas circulation without negatively impacting the vehicle's functioning. Furthermore, the PCV Valve has the function of the flame arrester and may enhance the engine power increasing the compression. Scheduled servicing of the PCV Valve is advised so that more expensive repairs can be avoided and for the overall efficiency of the car.

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Toyota T100 PCV Valve Parts Questions & Experts Answers

Valve Sub-Assy, Ventilation
12204-62010
Q: What Is the Function of the Positive Crankcase Ventilation (PCV) System and PCV Valve and How Do You Check and Replace on Toyota T100?
A: The Positive Crankcase Ventilation (PCV) system reduces hydrocarbon emissions by scavenging crankcase vapors, circulating fresh air from the air cleaner through the crankcase to mix with blow-by gases, which are then rerouted through a PCV valve to the intake manifold. Key components include the PCV valve, fresh air intake, and vacuum hoses connecting these parts to the engine. To maintain idle quality, the PCV valve restricts flow when intake manifold vacuum is high, and in abnormal conditions, it allows excessive blow-by gases to flow back into the air cleaner for combustion. This system can lead to oily residue buildup near the throttle plate, so periodic cleaning is advisable. To check the valve, remove it from the grommet and shake it; a rattling sound indicates it is not clogged. If vacuum is felt when covering the valve opening during idle, the valve is functioning properly; otherwise, it may need replacement or the hose could be plugged. For replacement, pull the valve straight up, inspect the rubber grommet for damage, and clean or replace the hose if necessary. After cleaning, ensure the hose fits snugly, and install a new PCV valve if needed, securing both the valve and hose properly.