Structure Identification (Long Wheel Base)

Table 1: Engine Compartment Table 2: Body Side Table 3: Body Side Outer Table 4: Body Side Inner Table 5: Roof Table 6: Floor Table 7: Underbody Table 8: Frame Table 9: Outer Closures Engine Compartment

Structure Identification (Long Wheel Base) — figure 1

Engine Compartment

Number	Procedure	Material
1	Upper Tie Bar Headlamp Resistance Spot Welded Full Panel Replacement	Mild Steel
2	Front Wheelhouse Panel Bracket Replacement Resistance Spot Welded Full Panel Replacement	Mild Steel
3	Front Compartment Side Rail Bracket - Front Right Resistance Spot Welded Full Panel Replacement	Mild Steel
4	Front Compartment Side Rail Bracket Replacement - Rear	Mild Steel
5	Front of Dash Bracket Right Resistance Spot Welded Full Panel Replacement	Mild Steel
6	Front of Dash Bracket Left Resistance Spot Welded Full Panel Replacement	Mild Steel
7	Front Compartment Side Rail Bracket - Rear Left Resistance Spot Welded Full Panel Replacement	Mild Steel

Number	Procedure	Material
8	Front Compartment Side Rail Bracket - Front Left Resistance Spot Welded Full Panel Replacement	Mild Steel
9	Front Wheelhouse Lower Panel Bracket Resistance Spot Welded Full Panel Replacement	Mild Steel
10	Front Compartment Front Side Rail Reinforcement Replacement	High Strength Low Alloy Steel
11	Plenum Upper Panel Replacement	Mild Steel
12	Plenum Front Panel Outer Reinforcement Replacement	Aluminum
13	Body Front Structure Parts Replacement	High Strength Low Alloy Steel **
14	Front Fender Bracket Upper Bracket Resistance Spot Welded Full Panel Replacement	Mild Steel
15	Hood Front Bumper Bracket Replacement	High Strength Low Alloy Steel
16	Front Fender Bracket Replacement	Mild Steel
17	Radiator Side Mounting Panel Replacement	Mild Steel
18	Radiator Lower Support Bracket Resistance Spot Welded Full Panel Replacement	Mild Steel
19	Radiator Lower Support Reinforcement Resistance Spot Welded Full Panel Replacement	Mild Steel
20	Radiator Support Replacement	High Strength Low Alloy Steel
21	Front Crossmember Bracket Replacement	Mild Steel
22	Front End Upper Tie Bar Removal and Installation	High Strength Low Alloy Steel
23	Inner Fender Upper Rail	High Strength Low Alloy Steel

Body Side

Structure Identification (Long Wheel Base) — figure 2

Body Side

Number	Procedure	Material
1	Body Side Outer Panel Replacement	Mild Steel
2	Center Pillar Sectioning	Mild Steel
3	Body Side Outer Panel Sectioning	Mild Steel
4	Body Side Fender Lower Bracket Resistance Spot Welded Full Panel Replacement	High Strength Low Alloy Steel
5	Body Side Fender Upper Bracket Resistance Spot Welded Full Panel Replacement	High Strength Low Alloy Steel
6	Quarter Outer Panel Replacement	Mild Steel
7	Quarter Outer Panel Sectioning	Mild Steel
8	Body Side Outer Panel Filler Replacement	Mild Steel
9	Rear Side Door Replacement Door Skin Not Serviced	Aluminum
10	Front Side Door Replacement Door Skin Not Serviced	Aluminum

Body Side Outer

Structure Identification (Long Wheel Base) — figure 3

Body Side Outer

	Number	Procedure	Material
	1	Front Compartment Upper Side Rail Replacement	High Strength Low Alloy Steel **
	2	Hood Strut Mount Bracket Resistance Spot Welded Full Panel Replacement	High Strength Low Alloy Steel
	3	Front Compartment Side Rail Bracket Replacement GMC and Cadillac only	Mild Steel
	4	Upper Side Rail Reinforcment - Serviced with Upper Side Rail	Ultra High Strength Steel
	5	Front Compartment Side Rail Rear Reinforcement Replacement	High Strength Low Alloy Steel
	6	Body Side Fender Upper Hinge Pillar Bracket Resistance Spot Welded Full Panel Replacement	High Strength Low Alloy Steel
	7	Roof Outer Side Rail Replacement — Front	Ultra High Strength Steel
	8	Roof Outer Side Rail Replacement — Rear	Ultra High Strength Steel
	9	Body Side Outer Rear Panel Drain Gutter Replacement — Upper	Mild Steel
	10	Body Side Outer Rear Panel Drain Gutter Replacement — Lower	Mild Steel
	11	Quarter Inner Panel Extension Replacement — Sectioning	Mild Steel
	12	Quarter Inner Panel Extension Replacement — Complete	Mild Steel
	13	Center Pillar Outer Panel Reinforcement Replacement	Ultra High Strength Steel
	14	Rocker Outer Panel Replacement	Ultra High Strength Steel
	15	Body Hinge Pillar Outer Panel Reinforcement Replacement	Dual Phase Steel
	16	Body Hinge Pillar Panel Reinforcement	Dual Phase Steel

Number	Procedure	Material
	Sectioning
17	Front Fender Rear Bracket Replacement	Mild Steel
18	Front Wheelhouse Panel Reinforcement Replacement	Mild Steel

Body Side Inner

Structure Identification (Long Wheel Base) — figure 4

Body Side Inner

	Number	Procedure	Material
	1	Roof Inner Front Side Rail Replacement	Ultra High Strength Steel
	2	Roof Inner Side Rail Replacement	Ultra High Strength Steel
	3	Front Inner Handle Bracket Resistance Spot Welded Full Panel Replacement	High Strength Low Alloy Steel
	4	Coat Hook Bracket Resistance Spot Welded Full Panel Replacement	High Strength Low Alloy Steel
	5	Roof Side Rail Replacement	Ultra High Strength Steel
	6	Rear Coat Hook Bracket Resistance Spot Welded Full Panel Replacement	High Strength Low Alloy Steel

Number	Procedure	Material
7	Quarter Inner Panel Upper Reinforcement Replacement	Mild Steel
8	Back Body Pillar Replacement	High Strength Low Alloy Steel
9	Quarter Inner Panel Replacement — Left Side Quarter Inner Panel Replacement - Right Side	Mild Steel
10	Fuel Tank Filler Pipe Housing Replacement	Mild Steel
11	Rear Wheelhouse Inner Panel Replacement	Mild Steel
12	Quarter Inner Panel Sectioning	Mild Steel
13	Rocker Inner Panel Filler Replacement	Mild Steel
14	Rocker Inner Panel Rear Bracket Resistance Spot Welded Full Panel Replacement	Mild Steel
15	Rocker Inner Panel Replacement	Ultra High Strength Steel
16	Quarter Inner Lower Panel Replacement w/o extension	Mild Steel
17	Quarter Inner Lower Panel Replacement w/extension	Mild Steel
18	Center Pillar Inner Panel Replacement	Ultra High Strength Steel
19	Center Pillar Inner Panel Lower Reinforcement Replacement	Ultra High Strength Steel
20	Center Pillar Inner Panel Sectioning	Ultra High Strength Steel
21	Body Hinge Pillar Panel Reinforcement Replacement — Lower Resistance Spot Welded Full Panel Replacement	Mild Steel
22	Body Hinge Pillar Panel Reinforcement Replacement — Upper Resistance Spot Welded Full Panel Replacement	Mild Steel
23	Body Hinge Pillar Inner Panel Replacement	Ultra High Strength Steel
24	Body Hinge Pillar Extension Panel Replacement Resistance Spot Welded Full Panel Replacement	Mild Steel

Roof

Structure Identification (Long Wheel Base) — figure 5

Roof

Number	Procedure	Material
1	Roof Outer Panel Replacement	Mild Steel **
2	Roof Rear Header Panel Replacement	High Strength Low Alloy Steel
3	Roof Panel Number 7 Bow Replacement	High Strength Low Alloy Steel
4	Roof Panel Number 6 Bow Replacement	Mild Steel
5	Roof Panel Rear Extension Replacement	Mild Steel
6	Roof Panel Number 5 Bow Replacement	Mild Steel
7	Roof Panel Number 4 Bow Replacement	Mild Steel
8	Roof Panel Number 3 Bow Replacement	Mild Steel
9	Roof Panel Number 2 Bow Replacement	Ultra High Strength Steel
10	Roof Panel Number 1 Bow Replacement	Mild Steel
11	Front Header Bracket Resistance Spot Welded Full Panel Replacement	Mild Steel
12	Roof Front Header Panel Replacement	Ultra High Strength Steel

Floor

Structure Identification (Long Wheel Base) — figure 6

Floor

	Number	Procedure	Material
	1	Plenum Lower Panel Replacement	Mild Steel
	2	Tunnel Reinforcement	Ultra High Strength Steel
	3	Floor Panel Number 1 Cross Bar Replacement	Dual Phase Steel
	4	Floor Panel Number 2 Cross Bar Replacement	Dual Phase Steel
	5	Floor Panel Reinforcement Resistance Spot Welded Full Panel Replacement	Mild Steel
	6	Floor Panel Reinforcement Resistance Spot Welded Full Panel Replacement	Mild Steel
	7	Floor Panel Air Bag Bracket Resistance Spot Welded Full Panel Replacement	Mild Steel
	8	Floor Panel Number 3 Cross Bar Extension Replacement	Mild Steel
	9	Floor Panel Number 3 Cross Bar Replacement	Dual Phase Steel
	10	Rear End Panel Replacement	High Strength Low Alloy Steel
	11	Rear End Upper Panel Replacement	Mild Steel
	12	Rear End Outer Panel Replacement	High Strength Low Alloy Steel
	13	Rear Floor Panel Filler Replacement - Left Side	Mild Steel
	14	Floor Panel Replacement	High Strength Low Alloy Steel
	15	Tunnel Bracket Resistance Spot Welded Full Panel Replacement	Mild Steel
	16	Hinge Pillar Reinforcement Resistance Spot Welded Full Panel Replacement	Dual Phase Steel

Number	Procedure	Material
17	Front of Dash	Mild Steel

Underbody

Structure Identification (Long Wheel Base) — figure 7

Underbody

	Number	Procedure	Material
	1	Underbody Number 1 Cross Sill Replacement	Dual Phase Steel
	2	Underbody Number 2 Cross Sill Replacement	Dual Phase Steel
	3	Underbody Number 2 Cross Sill Extension Replacement Resistance Spot Welded Full Panel Replacement	Dual Phase Steel
	4	Underbody Number 3 Cross Sill Replacement	Dual Phase Steel
	5	Underbody Number 3 Cross Sill Extension Resistance Spot Welded Full Panel Replacement	High Strength Low Alloy Steel
	6	Underbody Number 4 Cross Sill Replacement	Dual Phase Steel
	7	Underbody Center Cross Sill Reinforcement Replacement	Mild Steel

Number	Procedure	Material
8	Rear End Lower Panel Reinforcement Extension Replacement	Mild Steel
9	Rear End Lower Panel Reinforcement Replacement	High Strength Low Alloy Steel
10	Underbody Rear Side Rear Rail Replacement — Partial	High Strength Low Alloy Steel
11	Underbody Rear Side Rear Rail Replacement — Complete	High Strength Low Alloy Steel
12	Underbody Rear Side Rail Outrigger Replacement	Ultra High Strength Steel
13	Rear Wheelhouse Inner Panel Reinforcement Replacement	Ultra High Strength Steel
14	Underbody Rear Side Rail Outrigger Replacement - Center	Dual Phase Steel
15	Underbody Rear Side Rail Reinforcement Replacement	High Strength Low Alloy Steel
16	Underbody Rear Side Rail Extension Replacement	High Strength Low Alloy Steel
17	Underbody Rear Side Rail Replacement	High Strength Low Alloy Steel
18	Rocker Inner Panel Extension Replacement — Seat Belt	High Strength Low Alloy Steel
19	Underbody Rear Brace Bracket Replacement	Ultra High Strength Steel
20	Rocker Inner Panel Reinforcement Replacement	Dual Phase Steel
21	Underbody Outer Front Side Rail Replacement — Outer	Ultra High Strength Steel
22	Underbody Side Rail Rear Extension Replacement	Dual Phase Steel
23	Underbody Outer Front Side Rail Replacement — Inner	Dual Phase Steel
24	Underbody Front Side Rail Outrigger Replacement	Ultra High Strength Steel

Frame

Structure Identification (Long Wheel Base) — figure 8

Frame

Number	Procedure	Material
1	Front Full Frame Sectioning	High Strength Low Alloy Steel
2	Frame Brace Replacement	High Strength Low Alloy Steel
3	Rear Half Frame Replacement	High Strength Low Alloy Steel
4	Rear Body Mounts	High Strength Low Alloy Steel
5	Front Cross Member Shield Mount	High Strength Low Alloy Steel
6	Front Bumper Impact Bar Bracket Replacement	Mild Steel

Outer Closures

Structure Identification (Long Wheel Base) — figure 9

Outer Closures

Number	Procedure	Material
1	Hood Replacement	Aluminum
2	Liftgate Replacement	Aluminum
3	Rear Side Door Replacement Door Skin Not Serviced	Aluminum
4	Front Side Door Replacement Door Skin Not Serviced	Aluminum
5	Front Fender Replacement	Mild Steel

**See procedure for additional information regarding material type.