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General Information, Lubrication and Maintenance

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SAFETY CERTIFICATION LABEL The safety certification label is located on the driver side Bpillar (door latch post) (Figures 1-2, 1-3, and 1-4). The label is required by the National Highway Traffic Safety Administration and includes a tamper-proof feature. If the label is tampered with, a void pattern will appear across the label. The label contains the name of the manufacturer, the month and year the vehicle was manufactured, the certification statement, the vehicle identification number (VIN), and the vehicle model type. It also contains the Gross Vehicle Weight Rating (GVWR), Gross Axle Weight Ratings (GAWR), and wheel and tire information. For more information on the GVWR and GAWR, refer to ÒVEHICLE LOADING INFORMATIONÓ in the Hummer OwnerÕs Manual.

Figure 1-3: Safety Certification Label for 10,300 lb GVWR Vehicles

Figure 1-4: Safety Certification Label for 10,800 lb GVWR Vehicles

TRANSMISSION IDENTIFICATION The 4L80-E automatic transmission serial number is located on a plate at the right side of the transmission (Figure 1-5).

Figure 1-2: Safety Certification Label for Fleet Vehicles (12,100 lb. GVW vehicles)


Figure 1-5: Transmission I.D. Plate Location

Hummer h1 1997 service repair manual  
Hummer h1 1997 service repair manual