Tools You'll Likely Need:
* Jack and jack stands: Essential for safely lifting the vehicle.
* Wheel chocks: To prevent the vehicle from rolling.
* Socket wrench set: Various sizes, including metric and possibly SAE.
* Ratchet and extensions: To reach difficult-to-access bolts.
* Torque wrench: Crucial for tightening bolts to the correct specification.
* Pry bar or large screwdriver: To help separate the motor mounts.
* Hammer (rubber mallet preferred): For gently tapping components.
* Engine support bar or hoist: Highly recommended to support the engine's weight. Improper support can lead to serious injury.
* New motor mounts: Get the correct ones for your specific engine.
* Penetrating oil (PB Blaster, etc.): To loosen rusted bolts.
* Gloves and safety glasses: Always protect yourself.
General Steps (This is a simplified overview – consult your repair manual for specifics):
1. Safety First: Disconnect the negative battery terminal. Chock the wheels and securely lift the Blazer using the jack and jack stands.
2. Access the Motor Mounts: Locate the motor mounts. There are typically two, one on each side of the engine. You may need to remove some components for better access, such as the air cleaner assembly, some wiring harnesses, or parts of the exhaust system.
3. Support the Engine: Before removing any mount bolts, use an engine support bar or hoist to securely support the engine's weight. This prevents the engine from falling and causing damage or injury. Improper support is the biggest risk in this job.
4. Remove the Old Mounts: Carefully remove the bolts holding the motor mounts to the engine and the frame. Penetrating oil may be necessary to loosen rusted bolts. Work slowly and methodically, keeping track of hardware.
5. Install the New Mounts: Carefully align the new motor mounts and install them in the reverse order of removal. Tighten the bolts in stages, following the torque specifications in your repair manual.
6. Lower the Engine (If Necessary): If you used a hoist, slowly lower the engine. If you only supported it with a bar, ensure it's properly supported while tightening the mount bolts.
7. Reconnect and Check: Reconnect any components you removed earlier. Lower the vehicle. Start the engine and check for any unusual noises or vibrations. Double-check all bolts are tight.
Important Considerations:
* Engine Type: The exact location and removal procedure will vary depending on your Blazer's engine (2.5L, 2.8L, or 4.3L).
* Repair Manual: A repair manual is crucial. It will provide detailed diagrams, torque specifications, and specific instructions for your vehicle.
* Rust: On older vehicles, bolts can be severely rusted and difficult to remove. Use penetrating oil and patience. Stripped bolts can be a major problem, requiring additional work.
* Professional Help: If you are not comfortable working on your vehicle, consider seeking professional help from a mechanic. Improperly installed motor mounts can cause significant damage to your engine and vehicle.
This is a general guide. Failing to follow proper procedures can result in damage to your vehicle or personal injury. Always prioritize safety and consult a repair manual specific to your 1989 Chevy S10 Blazer before attempting this repair.
