G 20 Van V6-262 4.3L VIN Z (1993)
OWNER NOTIFICATION
Owners will be notified of this campaign on their vehicles by GMC Truck Division (see copy of owner letter included with this bulletin). A listing of
owner names and addresses has been furnished to the involved dealers to enable dealers to follow up with owners involved in this campaign. This listing
may contain owner names and addresses obtained from State Motor Vehicle Registration records. The use of such motor vehicle registration data for any
other purpose is a violation of law in several states. Accordingly, you are urged to limit the use of this listing to this campaign.
ADMINISTRATIVE PROCEDURE
Procedures covering this campaign are outlined in Section V of your dealership's "GMC" Truck Warranty Claims Processing Manual" # P9119 Rev.
2/94.
Service Procedure, Parts & Warranty Information
Vacuum Release Valve Replacement
1.
Remove knee bolster (G-Van only).
Figure 1 - G Van Vacuum Release Valve