Section 4 — Rear Suspension
Clearance to body should be provided for the suspension, axle, driveshaft and tires under the following conditions: (1) Axle in full jounce
against the metal-to-metal stop, (2) Axle at 4.5˚ roll with one side of axle in full jounce at the metal-to-metal stop and (3) Axle at design
position. Allowance for the tire chain clearance shown on a maximum grown tire must allow for (1.66 in.) clearance to the sides of the tire
and (2.5 in.) to the top of the tire. Be sure sufficient clearance is provided for suspension, axle and tire and wheel in full vertical travel (up
and down).
NOTE: Notification to the consumer may be required in certain states if tire chains cannot be used.
Pipes, wiring, conduits and any other related components must not be placed where they cross the path of motion of the rear axle, driveshaft,
axle brake pipes, hoses, spring or tires. Such crossing could result in rupture, wear through, or separation due to normal axle motion.
See chassis data information for additional clearances and for assistance in calculating trim heights.
Section 5 — Brakes
See Truck Service Manual for brake specifications.
Due to the critical nature of brake systems, anyone making modifications or alterations must assume complete responsibility for
system reliability, performance and certification to FMVSS 105 or FMVSS 121.
It is mandatory that no change be made to the brake main cylinder location, brake pedal push rod length or pedal position.
Ensure that hydraulic brake system is free of air and hydraulic leaks. Bleed brakes if required, following procedures as outlined in truck
chassis service manual. Ensure that vacuum booster system or hydroboost system is functional and free of leaks.
Check master cylinder fluid level and fill as necessary. (Refer to Owner’s Manual).
Check power steering fluid level for models equipped with hydroboost brake. (Refer to Owner’s Manual).
Added floor covering or carpeting must not restrict service or parking brake pedal travel from released position to full pedal travel.
No body part or chassis-mounted component may be located within 2.0 in. of brake hose routing in all wheel and axle positions. All exhaust
system components must also have a minimum of 2.0 in. clearance to brake hoses in closest positions. (Be sure to account for brake hose
travel with suspension).
S/T SMALL UTILITY – SUV
(
C
HEVY BLAZER & GMC JIMMY
)
S/T Small Utility – SUV 2004
5
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(Section 5 — continued on next page)
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