Positive Crankcase Ventilation (PCV) Valve Removal/Installation: Notes
WARNING: This page is about a different variant/trim than selected.
Replacement Part
| Gasket | Retainer | O-ring |
| Quantity: 1 | Quantity: 1 | Quantity: 1 |
| Location of use: Oil separator | Location of use: PCV valve | Location of use: PCV valve |
- Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
- Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
- Remove the intake manifold. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
- Remove in the order indicated in the table.
Courtesy of MAZDA MOTORS CORP.
PARTS DESCRIPTION1 PCV hose
(See PCV HOSE INSTALLATION NOTE .)2 Intake manifold stay 3 Oil separator 4 Retainer
(See Retainer Removal Note .)
(See Retainer Installation Note .)5 PCV valve - Install in the reverse order of removal.