G/H Van 2007 – Rev. 5-07
G/H Va n
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G/H Van 2007 – Rev. 2-07
(Section 0 — continued from previous page)
Welding
CAUTION: Fuel tank and fuel lines must be drained and all vapors purged to ensure non-combustible mixture before any welding, brazing
or soldering.
If arc-welding is employed on the chassis or body parts or components which could be damaged by welding temperatures, these parts
must be removed or adequately shielded. Some examples are brake lines, fuel lines and fuel tank assembly, electrical wiring, electronic
modules, sensing and diagnostic module under the drivers seat and S.I.R. sensor under radiator support. To avoid electronic component
damage, disconnect battery (batteries); disconnect the negative cable first, followed by the positive. To reconnect cables; connect the
positive first, then the negative.
When welding low carbon steel side rails, crossmembers and brackets, emphasis is placed upon weld application techniques to avoid
stress risers that may adversely affect frame operating stresses. Note that some of the frame sections are made of high-strength-low-
alloy steel that could be adversely affected by heating due to welding. Also, prior to welding, the area to be welded and surrounding area
must be cleaned of all frame protective coating.
After welding, when parts are cool, carefully inspect wiring and electrical components for shorts or other damage which could draw excessive
currents and possibly cause an electrical system short when the battery is reconnected. Also, assure that the fuel systems and especially
the fuel lines are not damaged or distorted from the welding heat. Apply protective coating to areas where coating was removed.
Service and service replacement parts for your add-on systems may not be available from a GM dealer. Those installing aftermarket
systems should provide information as to where and how to obtain service.
Labels
All labels on the vehicle (any message applied to the
vehicle or vehicle component that informs, instructs, or
warns) must appear on the completed vehicle so the user
can read them easily and without obstruction.
NOTE: In order to be in compliance with FMVSS 208, no
other label shall be installed on the same side of
the sunvisor as the Inflatable Restraint Caution
(Air Bag) Label.
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