Repairing the stabilizer bar (also known as a sway bar) on a Volvo BM A25C articulated dump truck involves several steps and requires a detailed understanding of the truck’s suspension system. click here for more details on the download manual…..

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1995 Volvo BM A35 articulated haul truck for sale | sold at auction July 25, 2013 SOLD! Construction Equipment Auction This asset was for sale and sold for a contract price of $30800 in an absolute, no-reserve …

Below is a comprehensive guide that outlines the tools, parts, and procedures involved in performing this repair.

### Components Involved in Stabilizer Bar Repair

1. **Stabilizer Bar (Sway Bar)**: A metal bar that connects the left and right suspension components, reducing body roll during turns.

2. **Bushings**: Rubber or polyurethane components that cushion the stabilizer bar where it connects to the frame and the suspension arms.

3. **End Links**: These connect the stabilizer bar to the suspension components, allowing for movement while maintaining stability.

4. **Mounting Brackets**: Metal brackets that hold the stabilizer bar in place on the truck’s chassis.

5. **Fasteners**: Bolts, nuts, and washers that secure the stabilizer bar and its components to the truck.

### Tools Required

– **Socket Set**: Various sizes for removing and installing bolts/nuts.
– **Wrenches**: Open-end and box-end wrenches for stubborn fasteners.
– **Torque Wrench**: For ensuring bolts are tightened to the manufacturer’s specifications.
– **Pry Bar**: For manipulating components as needed.
– **Hammer**: To help dislodge rusted or seized parts.
– **Jack and Jack Stands**: To lift and support the truck safely.
– **Safety Gear**: Gloves, safety glasses, and steel-toed boots.

### Procedure for Stabilizer Bar Repair

#### Step 1: safety Preparations

1. **Park the Truck**: Ensure the truck is on a flat surface.
2. **Engage the Parking Brake**: Prevent any movement.
3. **Wear safety Gear**: Put on gloves, safety glasses, and steel-toed boots.
4. **Lift the Truck**: Use a hydraulic jack to lift the front or rear end (depending on where the stabilizer bar is located) and secure it with jack stands.

#### Step 2: Inspect the Stabilizer Bar

1. **Visual Inspection**: Check for any visible damage, such as bends, cracks, or excessive rust.
2. **Check the Bushings and End Links**: Look for wear or deterioration. If they are cracked or worn out, they will need to be replaced.

#### Step 3: Remove the Stabilizer Bar

1. **Unbolt the End Links**:
– Use the socket and wrench to remove the bolts securing the end links to the stabilizer bar and suspension components.
– If the bolts are seized, apply penetrating oil and allow it to sit for a few minutes before attempting to remove them.

2. **Unbolt the Stabilizer Bar from the Mounting Brackets**:
– Locate the mounting brackets that hold the stabilizer bar to the truck’s frame.
– Remove the bolts/nuts securing the brackets using the appropriate size socket.

3. **Remove the Stabilizer Bar**:
– Carefully slide the stabilizer bar out from the brackets. If it’s stuck, gently tap with a hammer or use a pry bar to free it.

#### Step 4: Replace Damaged Components

1. **Replace Bushings**:
– Remove old bushings from the brackets and the stabilizer bar. Clean the mounting areas.
– Install new bushings, ensuring they are seated properly in their respective locations.

2. **Replace End Links**:
– If the end links are worn or damaged, replace them with new ones.
– Ensure the new end links are the same length as the originals to maintain suspension geometry.

#### Step 5: Reinstall the Stabilizer Bar

1. **Position the Stabilizer Bar**:
– Insert the stabilizer bar back into the mounting brackets.

2. **Bolt the Bar into Place**:
– Secure the stabilizer bar to the brackets using the proper fasteners. Torque to the manufacturer’s specifications.

3. **Attach End Links**:
– Reattach the end links to the stabilizer bar and the suspension components. Again, ensure they are torqued to specifications.

#### Step 6: Final Checks

1. **Inspect Everything**: Double-check all fasteners and components to ensure everything is installed correctly.
2. **Lower the Truck**: Carefully remove the jack stands and lower the truck back to the ground.
3. **Test Drive**: Take the truck for a short drive to ensure that the repair has resolved any stability issues. Listen for any unusual noises that could indicate improper installation.

### Conclusion

Repairing the stabilizer bar on a Volvo BM A25C articulated dump truck requires attention to detail and careful handling of components. Ensure that you have the right parts and tools before starting the repair, and always follow safety protocols. If you encounter any significant issues or uncertainties, consulting the truck’s service manual or seeking assistance from a professional mechanic is recommended.
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