Wilwood GS Compact Master Cylinder Rebuild Kit - Bore Size .750 (3/4 Inch)
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Product Information
Full details
This Wilwood GS Compact Master Cylinder Rebuild Kit is for automotive enthusiasts and mechanics looking to service worn or leaking GS series master cylinders. Its key benefit is providing a cost-effective solution to restore master cylinder function without the expense of a full replacement. A potential caveat is that it specifically fits GS series master cylinders, so compatibility must be confirmed. The kit includes essential components like a new piston, seals, spring, pushrod, snap ring, and dust bellows, offering a complete solution for one master cylinder.
All features
| Model Part Number | 260-14119 |
|---|---|
| Brand | Wilwood |
Extended Product Information
FAQs
What Wilwood master cylinder series is this kit for?
This kit is specifically designed for the Wilwood GS series master cylinders.
What is the bore size of this rebuild kit?
The bore size for this kit is .750 inches (3/4 inch).
What parts are included in the kit?
The kit includes a new piston, seal, spring, pushrod, snap ring, and dust bellows.
Can I use this kit to rebuild any master cylinder?
No, this kit is exclusively for Wilwood GS series master cylinders with the specified bore size. Using it on incompatible cylinders will result in failure.
Is this kit difficult to install?
Installation requires mechanical aptitude and careful attention to detail. It is recommended to consult a service manual or seek professional assistance if you are unfamiliar with brake system repairs.
What should I do if the master cylinder still leaks after using the kit?
If leaks persist, inspect the master cylinder bore for damage (scratches, corrosion) that the new seals cannot overcome. The master cylinder housing itself might be damaged and require replacement.
How often should I rebuild my master cylinder?
Master cylinders typically do not require regular rebuilding unless they show signs of wear, leakage, or performance issues. Rebuilding is a repair, not routine maintenance.
Troubleshooting
Master cylinder still leaks after rebuild
Ensure all seals were installed correctly and oriented properly. Inspect the master cylinder bore for deep scratches or corrosion that may prevent a proper seal. The housing may need replacement.
Spongy brake pedal after rebuild
The brake system may not be fully bled. Perform a thorough brake bleeding procedure. Check for air trapped in the lines or master cylinder.
Brake fluid leaks from pushrod area
Verify the dust bellows and associated seals are correctly installed and intact. A damaged bellows or seal will allow fluid to escape.
Difficulty installing new piston or seals
Ensure the correct lubricant (brake fluid) is used on the seals. Do not force components; check for any obstructions or misalignment.
Pros and Cons
Pros
- Significantly cheaper than buying a new master cylinder.
- Restores performance of worn or leaking master cylinders.
- Includes all necessary parts for a complete rebuild of one unit.
- Ensures proper fit and function for Wilwood GS series cylinders.
- Extends the life of existing master cylinder components.
Cons
- Only compatible with Wilwood GS series master cylinders.
- Requires mechanical skill to install the rebuild kit.
- Does not include the master cylinder housing itself.
- Effectiveness depends on the condition of the original cylinder bore.
Setup, Compatibility & Care
Compatibility: This kit is specifically designed for Wilwood GS series master cylinders with a 0.750 inch (3/4 inch) bore size. Always verify your existing master cylinder is a Wilwood GS series model before purchasing.
Setup/Installation:
- Disassemble the master cylinder following the manufacturer's service manual for your specific model.
- Clean all internal components of the master cylinder housing thoroughly.
- Carefully install the new piston, seals, spring, pushrod, and snap ring included in the kit. Pay close attention to seal orientation.
- Lubricate seals with appropriate brake fluid before installation.
- Reassemble the master cylinder.
- Bleed the brake system thoroughly after installation.
Care:
- Use only compatible brake fluid (DOT 3, DOT 4, or DOT 5.1 as recommended by Wilwood) when refilling and bleeding.
- Inspect brake system regularly for leaks or performance degradation.
- If issues persist after rebuild, the master cylinder housing itself may be damaged beyond repair.