Download 2003 JEEP WRANGLER TJ Service & Repair Manual – ! –

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Here’s a detailed guide on how to perform a wheel alignment on a Jeep Wrangler TJ, focusing on the necessary tools and steps involved:

– **Tools Required:**
– **Alignment Rack or a Level Surface:** A flat, level surface is essential for accurate alignment. An alignment rack is ideal but not necessary.
– **Tape Measure:** For measuring toe and ensuring proper alignment.
– **Camber Gauge:** A tool used to measure the camber angle of the wheels.
– **Caster Gauge:** This tool measures the caster angle, which is crucial for steering stability.
– **Wrenches and Sockets:** You will need various sizes to adjust the suspension components.
– **Jack and Jack Stands:** To lift the vehicle safely for access to the suspension components.
– **Wheel Chocks:** To prevent the vehicle from rolling while you work.
– **Alignment Plates (optional):** These can help to check and adjust the toe angle more easily.
– **Chalk or Marker:** To mark reference points on the tires or alignment plates.

– **Preparation Steps:**
– **Ensure Proper Tire Pressure:** Before starting, make sure all tires are inflated to the recommended pressure. This helps ensure accurate measurements.
– **Inspect Suspension Components:** Check for any worn or damaged parts in the suspension system, as these will affect alignment and should be repaired before proceeding.
– **Level the Vehicle:** If using an alignment rack, ensure the vehicle is level. If using a flat surface, make sure the surface is as level as possible.

– **Measuring Camber:**
– **Using the Camber Gauge:** Attach the camber gauge to the wheel or use it as directed. Measure the angle and compare it to the factory specifications.
– **Adjusting Camber:** If adjustments are needed, loosen the upper control arm bolts and reposition the arm until the desired camber angle is achieved, then retighten the bolts.

– **Measuring Caster:**
– **Using the Caster Gauge:** Place the caster gauge against the wheel according to the tool’s instructions. Measure the angle and compare it to factory settings.
– **Adjusting Caster:** Caster is usually adjusted by moving the control arm. Loosen the necessary bolts and reposition the control arm, then retighten.

– **Measuring Toe:**
– **Using Tape Measure or Alignment Plates:** Measure the distance between the front and back of the tires at the same height. The difference in distance will indicate toe alignment.
– **Adjusting Toe:** Adjust the tie rod ends by turning them to either shorten or lengthen the tie rod, which will move the wheels inward or outward. Aim for the specified toe angle.

– **Final Checks:**
– **Recheck All Angles:** After making adjustments, re-measure camber, caster, download JEEP WRANGLER TJ workshop manual and toe to ensure they are within the manufacturer’s specifications.
– **Test Drive:** Take the vehicle for a test drive to ensure that it handles correctly and that the steering wheel is centered.

– **Document Results:** Record the final measurements for future reference and to track any changes over time.

By following these steps and using the right tools, you can successfully perform a wheel alignment on your Jeep Wrangler TJ, ensuring better handling, tire wear, and overall vehicle performance.
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