Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Assist Step Body Mounting Bolts | 90 N.m | 66 lb ft |
| Assist Step Center Bracket Bolt | 45 N.m | 33 lb ft |
| Body Mounting Bolt | 85 N.m | 63 lb ft |
| Engine Protection Shield to Frame Rail Bolts | 20 N.m | 25 lb ft |
| Frame Crossmember Bolt/Nut | 180 N.m | 133 lb ft |
| Front Lamp Harness Ground Bolt | 6 N.m | 53 lb in |
| Intermediate Cable Nut | 4 N.m | 30 lb in |
| Master Cylinder Mounting Nuts | 36 N.m | 27 lb ft |
| Tow Hook to Frame Rail Bolts | 85 N.m | 63 lb ft |
| Trailer Hitch to Frame Bolts | 125 N.m | 92 lb ft |
| Transmission Mount to Support Bolts | 40 N.m | 30 lb ft |
| Transmission Support to Frame Bolts | 95 N.m | 70 lb ft |
Fastener Tightening Specifications
Scheme 1
| Description | Location | Length | Width | Height |
|---|---|---|---|---|
| 13 mm tow hook attachment | A | 1441 mm | 388 mm | 562 mm |
| 32 mm hole | B | 1327 mm | 411 mm | 552 mm |
| 17 mm hole | C | 0 mm | 522 mm | 382 mm |
| 20 x 16 mm slot | D | 1827 mm | 601 mm | 351 mm |
| 19.5 mm hole | E | 3732 mm | 500 mm | 574 mm |
| All dimensions are measured in millimeters, from a zero line, center line, and a common datum. All dimensions are symmetrical, unless otherwise specified. | ||||
Dimensions - Frame (1500 Suburban/Yukon XL 2WD/4WD)
Dimensions - Frame (1500 Sub/Yukon XL/Avalanche 2WD/4WD)
Point-to-point measurements are for reference only. Use these measurements for diagnosis or for validating. Point-to-point measurements do not afford the accuracy that 3-Dimensional measuring systems have. Point-to-point measurements are duplicated with tram bar pointers set at equal lengths. All holes, slots and fasteners are measured to the center.
Scheme 2
| Location | Point to Point |
|---|---|
| A | 1459 mm |
| B | 1343 mm |
| C | 1829 mm |
| D | 1921 mm |
| E | 2212 mm |
| F | 2145 mm |
| G | 1714 mm |
| H | 1632 mm |
Dimensions - Frame (1500 Sub/Yukon XL/Avalanche 2WD/4WD)
Dimensions - Frame (1500 Tahoe/Yukon/Escalade 2WD/4WD)
Point-to-point measurements are for reference only. Use these measurements for diagnosis or for validating. Point-to-point measurements do not afford the accuracy that 3-Dimensional measuring systems have. Point-to-point measurements are duplicated with tram bar pointers set at equal lengths. All holes, slots and fasteners are measured to the center.
Scheme 3
| Location | Point to Point |
|---|---|
| A | 1459 mm |
| B | 1343 mm |
| C | 1475 mm |
| D | 1760 mm |
| E | 2073 mm |
| F | 1851 mm |
| G | 1714 mm |
| H | 1632 mm |
Dimensions - Frame (1500 Tahoe/Yukon/Escalade 2WD/4WD)
Scheme 4
| Description | Location | Length | Width | Height mm |
|---|---|---|---|---|
| 13 mm tow hook attachment | A | 1441 mm | 388 mm | 562 mm |
| 32 mm hole | B | 1327 mm | 411 mm | 552 mm |
| 17 mm hole | C | 0 mm | 522 mm | 382 mm |
| 20 x 16 mm slot | D | 1471 mm | 601 mm | 351 mm |
| 19.5 mm hole | E | 3214 mm | 500 mm | 574 mm |
| All dimensions are measured in millimeters, from a zero line, center line, and a common datum. All dimensions are symmetrical, unless otherwise specified. | ||||
Dimensions - Frame (1500 Yukon/Tahoe/Escalade 2WD/4WD)
Scheme 5
| Description | Location | Length | Width | Height |
|---|---|---|---|---|
| 32 mm hole | A | 1327 mm | 411 mm | 471 mm |
| 23.5 x 13.5 mm slot | B | 1276 mm | 411 mm | 466 mm |
| 17.3 mm hole | C | 0 mm | 523 mm | 370 mm |
| 28 x 19 mm slot | D | 2457 mm | 523 mm | 610 mm |
| 19.5 mm hole | E | 3733 mm | 500 mm | 574 mm |
| All dimensions are measured in millimeters, from a zero line, center line, and a common datum. All dimensions are symmetrical, unless otherwise specified. | ||||
Dimensions - Frame (2500 Suburban/Yukon XL/Avalanche 2WD)
Dimensions - Frame (2500 Suburban/Yukon XL /Avalanche 2WD)
Point-to-point measurements are for reference only. Use these measurements for diagnosis or for validating. Point-to-point measurements do not afford the accuracy that 3-Dimensional measuring systems have. Point-to-point measurements are duplicated with tram bar pointers set at equal lengths. All holes, slots and fasteners are measured to the center.
Scheme 6
| Location | Point to Point |
|---|---|
| A | 1335 mm |
| B | 1284 mm |
| C | 2468 mm |
| D | 1277 mm |
| E | 1636 mm |
| F | 2680 mm |
| G | 1626 mm |
| H | 1583 mm |
Dimensions - Frame (2500 Suburban/Yukon XL /Avalanche 2WD)
Scheme 7
| Description | Location | Length | Width | Height |
|---|---|---|---|---|
| 32 mm hole | A | 1327 mm | 411 mm | 471 mm |
| 23.5 x 13.5 mm slot | B | 1276 mm | 411 mm | 466 mm |
| 17 mm hole | C | 0 mm | 523 mm | 370 mm |
| 28 x 19 mm slot | D | 2457 mm | 523 mm | 610 mm |
| 19.5 mm hole | E | 3733 mm | 500 mm | 574 mm |
| All dimensions are measured in millimeters, from a zero line, center line, and a common datum. All dimensions are symmetrical, unless otherwise specified. | ||||
Dimensions - Frame (2500 Suburban/Yukon XL/Avalanche 4WD)
Dimensions - Frame (2500 Suburban/Yukon XL /Avalanche 4WD)
Point-to-point measurements are for reference only. Use these measurements for diagnosis or for validating. Point-to-point measurements do not afford the accuracy that 3-Dimensional measuring systems have. Point-to-point measurements are duplicated with tram bar pointers set at equal lengths. All holes, slots and fasteners are measured to the center.
Scheme 8
| Location | Point to Point |
|---|---|
| A | 1335 mm |
| B | 1284 mm |
| C | 2468 mm |
| D | 1277 mm |
| E | 1636 mm |
| F | 2680 mm |
| G | 1626 mm |
| H | 1583 mm |
Dimensions - Frame (2500 Suburban/Yukon XL /Avalanche 4WD)
See also:
• LIFTING & JACKING THE VEHICLE