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Why does the front end of your 2004 jeep wrangler shake at 45 mph?

There are several possible reasons why the front end of your 2004 Jeep Wrangler shakes at 45 mph. Here are a few things to check:

- Wheel Alignment: Misalignment of the wheels can cause the vehicle to shake at certain speeds. Check the wheel alignment and have it adjusted if necessary.

- Tire Balance: Improperly balanced tires can also cause shaking. Have the tires checked for balance and have them balanced if necessary.

- Control Arms: Worn or damaged control arms can cause the vehicle to shake. Inspect the control arms for damage and replace them if necessary.

- Track Bar: A loose or worn track bar can also cause shaking. Check the track bar for tightness and replace it if necessary.

- Tie Rod Ends: Worn or damaged tie rod ends can cause the vehicle to shake. Inspect the tie rod ends for play and replace them if necessary.

- Ball Joints: Worn or damaged ball joints can cause the vehicle to shake. Inspect the ball joints for play and replace them if necessary.

- Driveline Components: A damaged or loose driveline component, such as a driveshaft or U-joint, can also cause shaking. Inspect the driveline components for damage and repair or replace them if necessary.

If you are unable to identify the cause of the shaking, it is recommended that you take your vehicle to a qualified mechanic for further diagnosis and repair.