(Section 2 — continued from previous page)
for shorts or other damage which could draw excessive currents and possibly cause an electrical system short when the battery is
reconnected. Apply protective coating to areas where coating was removed.
Alterations
If the wheelbase is modified the alterer must take responsibility for compliance with affected motor vehicle safety standards and for warranty
on items such as driveshafts, universal joints, center bearings and rear transmission tailshaft, transfer case and transmission case fractures,
output shaft bushings, bearings, brakes, fuel systems and any other related component failures. Additionally, the customer must be alerted
in the modifier’s owner’s manual that parts for the reworked area are not available through the General Motors service parts system.
Shear Plate Attachments
Attachments of shear plates should be accomplished by using existing manufacturing holes already available in the frame side rails. Manu-
facturing holes, normally 16 mm in diameter, are consistently placed along the frame side member in the center of the web on each frame.
When additional holes are required for shear plate attachment, they should be no larger than 20 mm (0.75 in.) in diameter. Holes are to be
drilled no closer than 63.5 mm (2.5 in.) apart. For holes drilled forward of the rear axle, centers are to be no closer than 63.5 mm (2.5 in.)
from the top or bottom flanges and no closer than 89 mm (3.5 in.) from any suspension attachments. For frame holes drilled rearward of the
rear axle, hole centers are to be no closer than 51 mm (2.0 in.) from the top or bottom flange and no closer than 89 mm (3.5 in.) from
suspension attachments.
No additional holes or notching of either top or bottom frame flanges is allowed.
Rear bodies or platforms added to the vehicle must utilize the released attachment points used by the pick-up box, along with
fasteners of the same diameter. These are minimum requirements; additional fasteners are permissible.
Section 3 — Front Suspension
See chassis data information for clearances and assistance in calculating trim heights.
Since there is a large variation in completed vehicle front weight due to differences in body weight and equipment, the front suspension
alignment must be checked and reset if necessary after the vehicle is completed. Caster and camber should be set with reference to the
“A” dimensions.
See Truck Service Manual for complete alignment procedure, specifications and measurement of the “A” dimension under “Diagnosis and
Front Alignment” section.
S/T SMALL UTILITY – SUV
(
C
HEVY BLAZER & GMC JIMMY
)
S/T Small Utility – SUV 2004
4
PAGE
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