ACDelco 18FR745
ACDelco Gold 18FR745 Front Passenger Side Disc Brake Caliper Assembly Instruction Manual
Remanufactured Friction Ready Non-Coated Caliper
Product Overview
The ACDelco Gold (Professional) Remanufactured Friction Ready Disc Brake Caliper is a high-quality alternative to Original Equipment (OE) parts, designed for reliable braking performance. This caliper is remanufactured using both aluminum and iron castings and features Ethylene Propylene (EPDM) rubber components for superior resistance to heat, corrosion, and leakage. It is supplied without attached brake pads, allowing for application-specific customization.
Key Features
- Pressure tested to ensure safe and confident braking.
- Constructed with cast iron and aluminum specifications, avoiding extra stress on the brake boosting mounting.
- Developed without attached brake pads for customization.
- Includes bleeder screws, copper sealing washers, hardware, and mounting brackets for easy installation.

Image: Front Passenger Side Disc Brake Caliper Assembly, showing the main body and included hardware.
Specifications
| Attribute | Detail |
|---|---|
| Brand | ACDelco |
| Model | Brake Caliper (18FR745) |
| Item Weight | 7 pounds |
| Product Dimensions | 13.8 x 7.1 x 6.5 inches |
| Position | Front Passenger Side |
| Material | Aluminum and Cast Iron |
| Components Included | Brake Caliper, Bleeder Screws, Copper Sealing Washers, Hardware, Mounting Brackets |
Setup and Installation
Installation of brake components requires mechanical expertise and specialized tools. It is highly recommended that installation be performed by a qualified automotive technician to ensure proper function and safety.
Pre-Installation Checks
- Verify that the caliper model (18FR745) is correct for your vehicle's make, model, and year, specifically for the front passenger side.
- Inspect the new caliper for any shipping damage.
- Ensure all included components (bleeder screws, copper sealing washers, hardware, mounting brackets) are present.
- Acquire appropriate brake pads, as they are not included with this friction-ready caliper.
Installation Steps (General Guidance)
- Safely lift and support the vehicle. Remove the wheel.
- Carefully remove the old brake caliper and pads. Disconnect the brake line.
- Clean the mounting area on the steering knuckle.
- Attach the new ACDelco Gold caliper to the vehicle, ensuring proper alignment.
- Connect the brake line to the new caliper, using new copper sealing washers. Torque to manufacturer specifications.
- Install the chosen brake pads into the caliper.
- Bleed the brake system to remove any air from the lines. This is a critical step for brake system functionality.
- Reinstall the wheel and lower the vehicle.
- Test the brakes in a safe area at low speed before normal operation.


Image: Various views of the brake caliper, illustrating its design and components for installation reference.
Operation
The disc brake caliper is a crucial component of your vehicle's braking system. When the brake pedal is pressed, hydraulic pressure from the master cylinder forces the caliper piston(s) to extend, pushing the brake pads against the rotor. This friction converts kinetic energy into heat, slowing and stopping the vehicle.
Proper Braking Practices
- Apply brakes smoothly and progressively for optimal control and reduced wear.
- Avoid sudden, harsh braking unless in an emergency.
- Be aware of your vehicle's braking distance, especially in varying road conditions.
- If you notice any changes in braking performance, such as sponginess, pulling, or unusual noises, have your brake system inspected immediately.
Maintenance
Regular maintenance is essential for the longevity and safe operation of your brake system, including the calipers.
Recommended Maintenance Schedule
- Brake System Inspection: Have your entire brake system, including calipers, pads, rotors, and fluid, inspected by a qualified technician at least once a year or every 12,000 miles (whichever comes first).
- Brake Fluid Check: Check brake fluid level and condition regularly as per your vehicle manufacturer's recommendations. Brake fluid should be clear and free of contaminants.
- Pad and Rotor Wear: Monitor brake pad thickness and rotor condition. Worn pads or grooved rotors can affect caliper performance and overall braking.
- Caliper Slide Pins: Ensure caliper slide pins are clean and properly lubricated to allow the caliper to move freely.
- Bleeder Screws: Periodically check bleeder screws for tightness and signs of leakage.
Troubleshooting
If you experience any issues with your brake system, consult a qualified technician. Below are some common symptoms and potential causes related to brake calipers:
| Symptom | Potential Cause | Action |
|---|---|---|
| Squealing or Grinding Noise | Worn brake pads, foreign material between pad and rotor, caliper not releasing fully. | Inspect pads and rotors. Check caliper slide pins for freedom of movement. |
| Vehicle Pulls to One Side During Braking | Sticking caliper piston, seized caliper slide pins, uneven pad wear. | Inspect calipers for proper function and movement. Bleed brake system if air is suspected. |
| Spongy Brake Pedal | Air in the brake lines, low brake fluid, faulty master cylinder. | Bleed the brake system thoroughly. Check brake fluid level and condition. |
| Brake Pedal Hard to Press | Faulty brake booster, restricted brake line, seized caliper. | Inspect brake booster and lines. Check caliper for seizing. |
| Brake Fluid Leakage | Damaged brake line, faulty caliper seal, loose bleeder screw. | Locate source of leak and repair immediately. Do not drive vehicle with brake fluid leaks. |
Warning: Issues with your braking system can severely compromise vehicle safety. Do not attempt repairs if you are not qualified. Always seek professional assistance for brake system problems.
Warranty and Support
ACDelco Gold (Professional) parts are backed by ACDelco's commitment to quality and performance. For specific warranty details pertaining to your ACDelco Gold 18FR745 Front Passenger Side Disc Brake Caliper Assembly, please refer to the official ACDelco warranty documentation provided with your purchase or visit the official ACDelco website.
For technical support, product inquiries, or to locate an authorized service center, please visit the official ACDelco website or contact their customer service department. Always provide your product model number (18FR745) and any relevant purchase information when seeking support.
ACDelco Official Website: www.acdelco.com
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