(Section 8 — continued from previous page)
Tail pipe outlet location must be tested statically and with the vehicle in motion to ensure that exhaust gases do not penetrate side or rear
windows or underbody seams and holes. Auxiliary power plants should also be tested under the same conditions. Tail pipe exit ahead of
rear wheels is not recommended.
Check for leaks in exhaust systems and repair as required.
Any exhaust joint which has been disassembled must have the exhaust gasket replaced and the fasteners torqued to specifications.
Re-check exhaust system for leaks.
Exhaust temperatures can exceed 1600ºF under extreme operating conditions, with pipe surface temperatures slightly less than this.
Extreme care must be used when placing body components in the proximity of the exhaust system so as not to exceed the rated
temperature limits of the components. Due to variants in underbody configurations of the vehicles, we are not in a position to make
recommendations on how to insulate or design components in the proximity of the exhaust system.
Each manufacturer must make temperature checks of critical areas of his vehicle and adjust his design accordingly, or provide shielding to
ensure safe operation of his body components.
The same can be said for the engine compartment. Obviously there will be additional heat radiated from the engine. How much is retained
in the area will depend on how well this area is ventilated in your individual designs. Here again, temperature checks of interior areas
surrounding the engine should be made to determine if your insulation is adequate. This is the same engineering practice we have followed
on our complete vehicles incorporating these exhaust systems.
Exhaust system materials are selected and tested to withstand the operating environment of the vehicle. Do not modify the exhaust system
in any way. The tail pipes are made of 409 aluminized stainless steel.
Heatshields are mounted to the underbody and/or exhaust system components (catalytic converter, muffler and tail pipe). Shields for the
propshaft hanger bearings are also provided in some vehicles.
Section 9 — Steering
Check power steering fluid level and system operations. (Refer to Owner’s Manual).
The power steering hydraulic system should not be used to drive any other accessories.
Steering wheel and horn pad must not be altered or replaced.
The steering column mast jacket must not be altered.
S/T SMALL UTILITY – SUV
(
C
HEVY BLAZER & GMC JIMMY
)
S/T Small Utility – SUV 2004
10
PAGE
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