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Your 2004 Chevy Denali start to shake and pull the right when speed is above 70 mph?

Here are some potential causes and things you can check related to your 2004 Chevy Denali shaking and pulling to the right at speeds above 70 mph:

1. Wheel Alignment:

- Misaligned wheels can cause the vehicle to pull to one side.

2. Tire Issues:

- Uneven tire wear or low tire pressure can cause the vehicle to shake and pull.

3. Suspension Components:

- Worn or damaged suspension components, such as control arms, ball joints, or tie rods, can cause shaking and pulling.

4. Driveshaft:

- A worn or unbalanced driveshaft can cause vibrations at higher speeds.

5. Brake Issues:

- Warped or damaged brake rotors can cause the vehicle to shake when braking.

- Caliper issues or uneven brake pad wear can cause the vehicle to pull to one side.

6. Engine Mounts:

- Worn engine mounts can allow excessive engine movement, leading to vibrations.

7. Wheel Bearings:

- Worn or damaged wheel bearings can cause the vehicle to shake and make noise.

Here's what you can do to address the issue:

1. Visual Inspection:

- Check the tires for uneven wear, bulges, or low pressure.

- Look for any obvious signs of damage to suspension components or the driveshaft.

2. Wheel Alignment:

- Have the alignment checked and adjusted if necessary.

3. Tire Rotation and Balancing:

- Rotate the tires and have them balanced to ensure even wear and smooth operation.

4. Suspension Inspection:

- Take your vehicle to a mechanic or service center for a comprehensive inspection of the suspension components.

5. Brake Inspection:

- Inspect the brakes for any issues with the rotors, calipers, or pads.

6. Engine Mount Inspection:

- Check the engine mounts for signs of wear or damage.

7. Wheel Bearing Inspection:

- If the shaking is accompanied by a humming noise, have the wheel bearings inspected.

Remember that it's always best to consult with a qualified mechanic or automotive technician to diagnose the exact cause of the shaking and pulling in your vehicle. They will be able to identify and fix the issue accurately, ensuring your safety and a smoother ride.