MakeToyota

1220466020 VALVE SUB-ASSY, VENTILATION

Compatibility

Toyota 1220466020

DescriptionModelOptionsProd PeriodDiagram
FJ,FZJ,HDJ,HJ,HZJ,KZJ,LJ,PZJ,RJ7#FZJ79R-TJMRKATM,MTM: MANUAL TRANSMISSION; Building Condition: COMPLETELY BUILT UNIT; Driver's Position: RIGHT-HAND DRIVE VEHICLES; Body: PICKUP; Grade: STANDARD TYPE; Fuel Induction: ELECTRIC FUEL INJECTION SYSTEM; Gear Shift Type: MTM, 5-SPEED FLOOR SHIFT; Engine: (1FZFE) 4500CC EFI; Destination: FOR GENERAL COUNTRIES(EXCEPT FOR GCC,ARL,SA)08.1999 - 01.2007 View
DescriptionModelOptionsProd PeriodDiagram
FZJ10#,HDJ100,HZJ105,UZJ100FZJ100L-GNPNKVATM,MTM: AUTOMATIC TRANSMISSION; Driver's Position: LEFT-HAND DRIVE VEHICLES; Grade: GX TYPE; Fuel Induction: ELECTRIC FUEL INJECTION SYSTEM; Gear Shift Type: ATM, 4-SPEED FLOOR SHIFT; Engine: (1FZFE) 4500CC EFI; Destination: GULF CORPORATION COUNCIL01.1998 - 08.2007 View

Information

Essential Engine Ventilation Valve

Every vehicle requires a fully operational engine ventilation system to ensure its smooth running and longevity. The Engine Ventilation Valve plays a pivotal role in this system. It is designed to regulate the flow of engine crankcase gases back into the engine for combustion, rather than releasing them into the environment. This process of recirculation helps in reducing emissions, maintaining fuel efficiency, and ensuring the engine runs cleanly.

How the Ventilation Valve Functions

This valve effectively manages the pressure within the engine's crankcase. It opens to vent gases out when the pressure reaches a certain level and closes to prevent the ingress of external contaminants. By performing this balancing act, the valve ensures that the engine's seals are not exposed to excessive pressure, which could otherwise lead to oil leaks or other seal integrity issues.

Consequences of a Faulty Valve

If the ventilation valve is damaged or fails to function correctly, you may encounter a range of engine performance issues. These problems can include increased oil consumption, higher emissions, and potential engine damage due to buildup of pressure. It's imperative to replace a defective valve promptly to avoid these complications.

Compatibility List for Replacement

  • Land Cruiser
  • Land Cruiser 100