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Commercial Van ("P" Series)

ALIGNMENT SPECIFICATIONS (COMMERCIAL VAN) (1)(2)

Application Specification
Camber (4)
Caster (3)(5)
Toe-In (4)
(1) For alignment tolerances, see CASTER, CAMBER & WHEEL TOE-IN ALIGNMENT SETTING TOLERANCES  table.
(2) Left and right adjustments must be within 0.5 degree of each other.
(3) For all Dimension "A" values on PS (32, 42) WFS3 is +5 Nominal (reference only: no means of adjustment provided)
(4) See Fig 1 and CAMBER & TOE-IN CHART (COMMERCIAL VAN) table for camber and toe-in specifications.
(5) See Fig 1 and appropriate CASTER CHART table below for caster specifications.
P3 (42) CASTER CHART (EXCEPT FS3, RO5, JB8 OR JF9) (1)

Dimension "A" MM Dimension "A" In. Specification
38.1 1.50 N/A
44.5 1.75 N/A
50.8 2.00 3.0°
57.2 2.25 2.6°
63.5 2.50 2.3°
70 2.75 2.0°
76.2 3.00 1.7°
82.5 3.25 1.4°
88.9 3.50 1.2°
95.3 3.75 0.9°
101.6 4.00 0.6°
108 4.25 0.4°
114.3 4.50 0.2°
120.7 4.75 -0.1°
127 5.00 N/A
133.4 5.25 N/A
139.7 5.50 N/A
146 5.75 N/A
152.4 6.00 N/A
(1) Vehicles are equipped as follows: FS3 - I-Beam Front Axle (5000 lbs.); JB8 - Hydraulic Power Disc Brakes; JF9 - Hydraulic Power 4-Wheel Disc Brakes; RO5 - Dual Rear Wheels
P3 (42) CASTER CHART (W/RO5 EXCEPT FS3, JB8 OR JF9 ) (1)

Dimension "A" MM Dimension "A" In. Specification
38.1 1.50 N/A
44.5 1.75 N/A
50.8 2.00 2.5°
57.2 2.25 2.2°
63.5 2.50 1.9°
70 2.75 1.6°
76.2 3.00 1.3°
82.5 3.25 1.1°
88.9 3.50 0.8°
95.3 3.75 0.5°
101.6 4.00 0.3°
108 4.25 0.0°
114.3 4.50 -0.2°
120.7 4.75 -0.4°
127 5.00 N/A
133.4 5.25 N/A
139.7 5.50 N/A
146 5.75 N/A
152.4 6.00 N/A
(1) Vehicles are equipped as follows: FS3 - I-Beam Front Axle (5000 lbs.); JB8 - Hydraulic Power Disc Brakes; JF9 - Hydraulic Power 4-Wheel Disc Brakes; RO5 - Dual Rear Wheels
P3 (42) CASTER CHART (W/JB8 OR JF9 EXCEPT FS3) (1)

Dimension "A" MM Dimension "A" In. Specification
38.1 1.50 N/A
44.5 1.75 N/A
50.8 2.00 3.2°
57.2 2.25 2.9°
63.5 2.50 2.6°
70 2.75 2.4°
76.2 3.00 2.1°
82.5 3.25 1.8°
88.9 3.50 1.5°
95.3 3.75 1.2°
101.6 4.00 1.0°
108 4.25 0.7°
114.3 4.50 0.5°
120.7 4.75 0.2°
127 5.00 -0.1°
133.4 5.25 -0.3°
139.7 5.50 0.5°
146 5.75 -0.7°
152.4 6.00 N/A
(1) Vehicles are equipped as follows: FS3 - I-Beam Front Axle (5000 lbs.); JB8 - Hydraulic Power Disc Brakes; JF9 - Hydraulic Power 4-Wheel Disc Brakes; RO5 - Dual Rear Wheels
P3 (32) CASTER CHART (W/JB8 OR JF9 EXCEPT FS3) (1)

Dimension "A" MM Dimension "A" In. Specification
38.1 1.50 N/A
44.5 1.75 N/A
50.8 2.00 N/A
57.2 2.25 N/A
63.5 2.50 5.5°
70 2.75 5.3°
76.2 3.00 5.0°
82.5 3.25 4.7°
88.9 3.50 4.4°
95.3 3.75 4.1°
101.6 4.00 3.8°
108 4.25 3.6°
114.3 4.50 3.3°
120.7 4.75 3.1°
127 5.00 2.9°
133.4 5.25 2.6°
139.7 5.50 2.4°
146 5.75 2.2°
152.4 6.00 2.0°
(1) Vehicles are equipped as follows: FS3 - I-Beam Front Axle (5000 lbs.); JB8 - Hydraulic Power Disc Brakes; JF9 - Hydraulic Power 4-Wheel Disc Brakes; RO5 - Dual Rear Wheels
CAMBER & TOE-IN CHART (COMMERCIAL VAN) (1)

Model  Camber  Toe-In Angle  Total Toe-In (2)
P3 (42) w/o FS3 0.1° 0.36° 4.5 mm (0.18 inch)
P3 (32) w/JB8/JF9 0.1° 0.5° 1.5 mm (.06 inch)
P3 (32, 42) w/FS3 (3) 0.07° 3.0 mm (0.12 inch)
(1) Vehicles are equipped as follows: FS3 - I-Beam Front Axle (5000 lbs.); JB8 - Hydraulic Power Disc Brakes; JF9 - Hydraulic Power 4-Wheel Disc Brakes; RO5 - Dual Rear Wheels
(2) TOTAL TOE-IN represents distance "E" minus distance "F" as measured from center of tire tread. See Fig 1. On all models except P30/35 w/FS3, this distance is approximately 10 inches from center of wheel. On P30/35 models w/FS3, total toe-in is based on 19.5" tires.
(3) +1.5° Nominal (Reference only, no means of adjustment provided.)
CASTER, CAMBER & WHEEL TOE-IN ALIGNMENT SETTING TOLERANCES

Application Check Re-Set
Caster +/- 1.00° (1) (2) +/- 0.50°
Camber +/- 0.75° (1) (2) +/- 0.50°
Total Toe-In
P all +/- .23° +/- .12°
***** +/- .12 in. +/- .06°
(1) Left and right to be equal within 1° 0'.
(2) Left and right to be equal within 0° 30'.
Fig 1: Identifying Alignment Measuring Points (Commercial Van)
G92E21919Courtesy of GENERAL MOTORS CORP.
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