Positive Crankcase Ventilation: Service and Repair

***UPDATED BY TSB #113891, 11-01-91

REMOVAL
1. Remove the hose from the valve.
2. Remove the valve in the CCW direction.

INSTALLATION
1. Reinstall the valve and tighten to specification.

TORQUE VALUE
14 - 19 ft.lbs (20 - 35 Nm)

2. Reconnect the hose.


***TSB INFORMATION
If you receive a customer complaint of an SPFI vehicle emitting white smoke during sharp right turn driving conditions, the PCV modification kit P/N 11813AA010 should be installed as follows:

NOTE: This modification has been included in production since 4/91, starting with VIN M*209520 and M*417055.

Original Installation:

1. Make sure the repair kit contains these four parts: blue connector, black connector, plug, hose.
2. Remove and discard connector "A," connector "B," hose "C" and connector "D." Retain hose clamps for reuse.

Modification:

3. Install the modification parts as illustrated in image.

CAUTION: The blue and black connectors are not interchangeable. The blue connector contains an orifice.