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How do you replace the serpentine belt on a 1997 Honda Civic EX?

Replacing a serpentine belt on a 1997 Honda Civic EX requires some mechanical aptitude and the right tools. This is not a beginner's job, and if you're uncomfortable working on your car, take it to a mechanic. Improper installation can lead to engine damage.

Tools You'll Need:

* New serpentine belt: Make sure you get the correct belt for your specific 1997 Honda Civic EX model. The part number is usually found in your owner's manual or online parts stores.

* Socket wrench set (metric): You'll need various sizes, likely including 10mm, 12mm, and possibly others depending on the tensioner design.

* Ratchet: A good quality ratchet will make the job much easier.

* Wrench (metric): Possibly needed for some tensioners.

* Socket extensions: These will provide reach for tighter spaces.

* Gloves: Protect your hands.

* Jack and jack stands: Essential for safe working conditions. Never work under a car supported only by a jack.

* Wheel chocks: For added safety.

* Pliers: May be helpful to grip the belt.

* Optional: Belt tensioner tool: While you might be able to do it without one, a specialized tool designed to relieve tension on the belt can make the job significantly easier and safer.

Procedure:

1. Safety First: Engage the parking brake, chock the wheels, and jack up the front of the car securely using jack stands. Never work under a car supported only by a jack.

2. Locate the Serpentine Belt: The serpentine belt runs around various pulleys, including the alternator, power steering pump, and water pump.

3. Locate the Belt Tensioner: This is a device that puts tension on the belt. It's usually a pulley with a spring or hydraulic mechanism. On some 1997 Civic EX models, it might be on the passenger side of the engine.

4. Release Belt Tension: This is the trickiest part. There are different methods depending on your specific Civic EX model and tensioner design. Some tensioners have a bolt you loosen to release tension, others might require a specialized tool to push or turn the tensioner out of the way. Consult a repair manual specific to your 1997 Honda Civic EX to determine the correct procedure for your vehicle. This manual will show you exactly where the tensioner is and how to relieve the tension. Attempting this without a repair manual is strongly discouraged.

5. Remove the Old Belt: Once tension is released, carefully pry the belt off the pulleys. Work your way around, starting from the loosest part of the belt.

6. Install the New Belt: Route the new belt around the pulleys in the same order as the old belt. Make sure it's seated correctly in all the grooves.

7. Re-tension the Belt: Once the new belt is in place, tighten the belt tensioner back to its normal position. Again, refer to your repair manual for the correct procedure and torque specifications.

8. Check Belt Tension: After tightening, try to twist the belt with your fingers. It should have some tension, but you should be able to slightly twist it without excessive effort.

9. Lower the Car: Carefully lower the car using the jack stands.

10. Test Run the Car: Start the engine and listen for any squealing or other abnormal noises. Check all belts and components for any issues.

Important Considerations:

* Repair Manual: A repair manual specific to your 1997 Honda Civic EX is crucial. It will provide detailed diagrams, torque specifications, and step-by-step instructions specific to your vehicle's model.

* Torque Specifications: Tightening bolts to the correct torque is crucial to prevent damage. Use a torque wrench to ensure you're applying the correct amount of force.

* Broken Parts: If you break a part while attempting this repair, it will increase the cost of the repair significantly.

If you are not comfortable performing this repair yourself, take your car to a qualified mechanic. The cost of a professional repair is much less than the potential cost of damage caused by an improper repair.