However, if you're determined to do it yourself, here's a general outline. Remember that these are general steps and may vary slightly depending on your specific engine. Always consult a repair manual specific to your 1995 Cadillac Sedan Deville's engine (4.9L or 4.6L Northstar) for detailed instructions and diagrams. These manuals will show the exact routing of the belt.
Tools You'll Need:
* New serpentine belt: Get the correct size and type from a parts store, providing your VIN or engine details.
* Wrench(es): Various sizes depending on your car's specific tensioner and pulley bolts. Probably including a socket wrench set and possibly a ratchet.
* Socket Set: This will help with removing and installing the belt.
* Jack and jack stands: Essential for safe working conditions. Never work under a car supported only by a jack.
* Wheel chocks: For extra safety.
* Gloves: To protect your hands.
* Pliers (optional): May be helpful for certain situations.
* Repair Manual: Crucial for accurate instructions and diagrams.
General Steps (Consult your repair manual for specifics):
1. Safety First: Disconnect the negative battery terminal. Secure the car on jack stands with the parking brake engaged and wheel chocks in place.
2. Locate the Tensioner: Identify the serpentine belt tensioner. This is a pulley with a mechanism to release tension on the belt. Your manual will show its location and how it operates (often a lever or bolt).
3. Release Belt Tension: Using the appropriate wrench, carefully release the tension on the tensioner. This will allow you to slip the belt off the pulleys. This is the most critical step and requires precise knowledge of your specific tensioner mechanism. Some tensioners use a bolt, others a lever. Force is rarely required, but a solid firm pressure is.
4. Remove the Old Belt: Once the tension is released, carefully guide the old serpentine belt off each pulley. Pay close attention to the belt's routing; you'll need to reinstall it the same way.
5. Install the New Belt: Route the new belt around each pulley in the exact same order as the old one. Again, refer to your repair manual for the correct routing.
6. Re-engage Tensioner: Carefully re-engage the belt tensioner. Make sure the belt is seated correctly on all pulleys before releasing the tension.
7. Check Tension: Ensure the belt is properly tensioned by trying to twist it slightly with your hand. There should be a slight give, but it shouldn't be too loose or too tight. Again, your repair manual will specify the correct tension.
8. Reconnect Battery Terminal: Reconnect the negative battery terminal.
9. Test: Start the engine and check for any squealing or unusual noises. If you hear squealing, the belt is likely improperly tensioned or routed.
Important Considerations:
* Belt Routing: The routing of the serpentine belt is crucial. Incorrect routing can lead to damage to the engine. Use your repair manual to confirm the correct path.
* Tension: Too little or too much tension can damage the belt and other components.
* Pulley Condition: Inspect the pulleys for damage while you're working. Worn or damaged pulleys can damage a new belt quickly.
This is a general guide. Always consult a repair manual specific to your 1995 Cadillac Sedan Deville before attempting this repair. If you're unsure about any step, it's best to seek professional help to avoid potential damage or injury.
