PCV Breather Hose - Replacement

9216chevy02

Number: 90-371-6E

Section: 6E

Date: October 1990

Corporate Bulletin No.: 036517


Subject:
POSITIVE CRANKCASE VENTILATION
BREATHER HOSE REPLACEMENT


Month and Year:
1989-90 GEO TRACKER


TO: ALL CHEVROLET DEALERS

This procedure is an addition to the service information included in Section 6E of the 1989/90 GEO Tracker Service Manuals (ST377-89 and 8-T377-90). Follow this procedure when service of the PCV breather hose is necessary.





PCV Breather Hose Figure 1

Remove or Disconnect

1. Breather hose protectors from breather hose assembly.

2. Breather hose assembly by removing three clamps one at cylinder head cover, one at air intake and one at PCV valve.

Figure 1 Breather Hose Assembly Here

Install or Connect

^ Reposition PCV valve protector.

1. Breather hose assembly by installing three clamps: one at cylinder head cover, one at air intake and one at PCV valve.

*IMPORTANT: Always use new breather hose protectors whenever service, to the breather hose is required.

2. New breather hose protectors to breather hoses by removing clear film from inside of protectors exposing self-adhesive surfaces.


*IMPORTANT: The center breather hose protector: the one which is positioned directly above the PCV valve, is shorter on one side than the other. Be sure to install the short side of this protector toward the front of the vehicle (Figure 1).