Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Assist Step Bracket to Assist Step Nuts | 25 N.m | 18 lb.ft |
| Assist Step Bracket to Body Bolts | 25 N.m | 18 lb.ft |
| Body Mount Bolts | 80 N.m | 59 lb.ft |
| Engine Shield Mounting Bolts | 25 N.m | 18 lb.ft |
| Frame Brace Mounting Bolts | 45 N.m | 33 lb.ft |
| Front Steering Gear Crossmember Mounting Bolts | 50 N.m | 37 lb.ft |
| Fuel Tank Shield to Frame Mounting Bolts | 25 N.m | 18 lb.ft |
| Lower Control Arm Bracket Rear Mounting Bolts | 240 N.m | 177 lb.ft |
| Lower Transmission Support to Frame Bolts | 46 N.m | 35 lb.ft |
| Radiator Support Shield Mounting Bolts | 17 N.m | 13 lb.ft |
| Rear Steering Gear Crossmember Mounting Bolts | 50 N.m | 37 lb.ft |
| Tow Hook to Front Impact Bar Bolt | 50 N.m | 37 lb.ft |
| Transfer Case Shield Mounting Bolts | 16 N.m | 12 lb.ft |
| Transmission Mount to Transmission Support Nuts | 46 N.m | 35 lb.ft |
| Transmission Support to Frame Bolts | 50 N.m | 37 lb.ft |
FASTENER TIGHTENING SPECIFICATIONS
Three-Dimensional Measurements
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.
Scheme 1
Dimensions - Frame (Trailblazer, Envoy, Bravada)
| 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 | 698 mm |
| B | Die Mark Arrow | 1545 mm | 416 mm | 568 mm |
| C | Gusset Hole | 837 mm | 322 mm | 311 mm |
| D | Gage Hole | 0 mm | 386 mm | 540 mm |
| E | Gage Hole | 55 mm | 503 mm | 313 mm |
| F | Gage Hole | 1389 mm | 495 mm | 466 mm |
| G | Gage Hole | 2100 mm | 598 mm | 497 mm |
| H | Side Member Rail RR | 2626 mm | 586 mm | 447 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. | ||||
FRAME (TRAILBLAZER, ENVOY, BRAVADA) DIMENSIONS