TSRM/MK4 Supra/Repair Manual
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EGTE/Emission System 2JZ-GTE — Positive Crankcase Ventilation (PCV) System PCV Valve Inspection, page 4

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Positive Crankcase Ventilation (PCV) System PCV Valve Inspection — MK4 Supra Emission System 2JZ-GTE, page 4
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Page text (OCR transcript)
ENGINE – EMISSION CONTROL SYSTEMS (2JZ–GTE)

EG–177

PCV Valve

P11798

POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM
PCV VALVE INSPECTION

1. REMOVE PCV VALVE
(a) Disconnect the PCV hose from the PCV valve.
(b) Remove the PCV valve.

Cylinder Head Side

Clean Hose

P11834

2. INSTALL CLEAN HOSE TO PCV VALVE
3. INSPECT PCV VALVE OPERATION
(a) Blow air into the cylinder head side, and check that air passes
through easily.
CAUTION: Do not suck air through the valve. Petroleum sub-
stances inside the valve are harmful.

Air Intake Chamber Side

P11831

(b) Blow air into the air intake chamber side, and check that air
passes through with difficulty.
If operation is not as specified, replace the PCV valve.
4. REMOVE CLEAN HOSE FROM PCV VALVE
5. REINSTALL PCV VALVE

P11845

PCV HOSES AND CONNECTORS INSPECTION

VISUALLY INSPECT HOSES, CONNECTIONS AND GAS-
KETS
Check for cracks, leaks or damage.