Goodyear 1S4-044 Air Spring SZ70-5067 for Japanese Truck Cabin - 4.0" to 10.5" Height Range, -40°C to +70°C Temperature Rating

Goodyear 1S4-044 Air Spring designed for cabin suspension systems in Japanese trucks and trailers. This heavy-duty air bag provides reliable performance with temperature resistance from -40°C to +70°C and durability tested to over 3 million cycles.

• Inspect air lines and devices for leaks and ensure they rotate freely
• Check bellows bearing for damage, proper fastening, deformation, and sharp edges
• Verify shock absorbers for proper operation, impermeability, and tightness
• Periodically check nuts and bolts for proper torque according to manufacturer specifications
• Inspect axle suspension, trailing arms, and rods for wear
• Check height control valve functionality to prevent unnecessary maintenance expenses

• Gather all necessary tools and equipment for safe repair execution
• Review manufacturer's service guide for specific suspension system details
• Consult qualified suspension specialists when uncertain about procedures

• Inspect leveling valve, linkage, and transmission parts for wear and damage
• Check shock absorbers for leaks and perform functionality tests
• Examine air lines for cracks or damage along their entire length
• Check frame hangers, trailing arm bushings, torque rods, and air spring mounts
• Clean air spring mounting plates thoroughly before installing new unit
• Always use new attaching bolts and observe specified tightening torques
• Verify leveling valve linkage functionality under load conditions