Chevrolet Impala SS, Handbook

Page: 8 / 159

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SSHandbook
Maintenance: Braking
"Bolt II" Metering Bolt Instructions
Tools:
• Ratchet
• Shallow 19mm socket
• Adjustable wrench
• Brake fluid
• Plastic bags
• Paper towels
• Shop rag
• Turkey baster
Procedure:
Stealth Bolt (left) and Metering Bolt (right)
1. Place paper towels inside plastic bags. Place plastic bags underneath back of combination-valve to catch
brake fluid.
2. Use the adjustable wrench to hold the combination-valve body. Loosen the stock bolt (located at the rear
ofthe combination-valve) with the ratchet. Be careful not to bend the brake lines.
3. Remove the bolt by hand and discard. Replace it with the new "Bolt II" Metering Bolt.
4. Remove the cover of the master cylinder reservoir and remove the old brake fluid using the turkey baster,
down to almost to the bottom ofthe front and rear reservoir. Wipe the remaining "sludge" from the bottom
ofthe reservoirs.
5. Refill each reservoir halfway, and bleed the brakes (procedure not covered here).
6. Check for leaks, paying close attention to the new bolt that you just installed.
7. Replace the master cylinder reservoir cover.
8. Start the car and press the brake pedal. The pedal should be hard and feel tight.
9. Re-check for leaks.