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The YG9925688409 Rear Shock Absorber Upper Bracket Assembly is a critical structural element within the Sinotruk HOWO suspension architecture. It serves as the primary anchor point for the rear shock absorbers, bridging the gap between the damping unit and the vehicle’s chassis rail.
Technical Specifications
Attribute
Technical Data
Part Number
YG9925688409
Compatible Brand
Sinotruk (HOWO, Houhan)
Position
Rear Axle – Suspension System
Component Type
Upper Support Bracket Assembly
Material
High-Strength Reinforced Forged Steel
Surface Treatment
Anti-oxidation Electrophoretic Coating
Hole Configuration
Precise OEM Pre-drilled Alignment
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A poorly mounted bracket can lead to catastrophic suspension failure. Follow these expert steps for a safe replacement:
Preparation: Park the truck on a level surface. Secure the front wheels and use a heavy-duty air jack to lift the rear chassis. Always use jack stands for secondary support.
Removal: Use a high-torque pneumatic wrench to remove the bolts connecting the shock absorber to the old bracket. Inspect the chassis rail for any signs of stress cracks before installing the new unit.
Positioning: Align the YG9925688409 bracket with the factory mounting holes on the frame. It is vital to ensure the mounting surface is clean of rust and debris to maintain a flush fit.
Fastening: Install new Grade 10.9 high-strength bolts. Tighten them in a cross-pattern to ensure even pressure distribution.
Final Torque: Refer to your Sinotruk service manual for specific torque settings (standard for this series is typically between 180-220 Nm).
Inspection: Re-attach the shock absorber, lower the vehicle, and check for clearance between the bracket and the air lines/wiring harness.
