Three-Dimensional Measurements

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Three-dimensional measurements are provided in the absences of dimension information from your equipment supplier. Universal three-dimensional measuring equipment is required to use these numbers. You may need to adjust the height dimensions to match the datum height of your equipment. Only the width dimensions can be used to measure point-to-point. All holes, slots and fasteners are measured from the center.

Fig 1: Three-Dimensional Measurements - Frame (TrailBlazer EXT, Envoy XL)

Courtesy of GENERAL MOTORS CORP.

Three-Dimensional Frame Measurement Locations (TrailBlazer EXT, Envoy XL)

Location	Description	Length	Width	Height
1	Datum Line	0	0	0
2	Center Line	0	0	0
3	Zero Line	0	0	0
A	Front Bumper Mounting Hole	1895 mm	416 mm	546 mm
B	Die Mark Arrow	1544 mm	416 mm	552 mm
C	Gusset Hole	837 mm	322 mm	294 mm
D	Gage Hole	0 mm	540 mm	379 mm
E	Draw Hole	55 mm	503 mm	297 mm
F	17.0 mm Hole	1795 mm	495 mm	449 mm
G	Drain Hole	2506 mm	497 mm	569 mm
H	Side Member Rail RR	3033 mm	537 mm	569 mm
2WD shown; 4WD dimensions are the same, graphics similar. All dimensions are measured in millimeters, from a zero line, center line, and a common datum. All dimensions are symmetrical, unless otherwise specified.