How to Service Tesla Brake Calipers (Model S, 3, X, Y)

📋 Quick Facts

Tesla brake calipers seize more than any other modern car, because regenerative braking does 90% of the slowing. The friction pads barely move - slide pins corrode, dust boots crack, and the inboard pad sticks to the bracket. Tesla recommends a 12-month / 12,500-mile caliper service. Skip it in a wet climate and you will be replacing $1,200 worth of calipers in 50,000 miles.

🛠 What You'll Need

• Tesla-approved DOT 3 brake fluid for top-up if bleeding (Prestone DOT 3 on Amazon)
• High-temperature silicone caliper grease, P/N 1041575-00-A or equivalent (Permatex caliper grease on Amazon)
• 19mm and 21mm sockets for lug nuts (impact socket set on Amazon)
• T55 Torx for caliper bracket bolts (Torx set on Amazon)
• Wire brush and brake cleaner (CRC brake cleaner on Amazon)
• Torque wrench 10-150 ft-lb (torque wrench on Amazon)
• Floor jack and jack stands (floor jack on Amazon)

✅ Before You Start - Checklist

• Park on level, solid ground (no slopes, no soft dirt)
• Vehicle and fluids at the correct temperature for the procedure
• All tools, parts, and scanner on hand BEFORE you begin
• Owner's manual and OEM service procedure nearby for torque specs
• Safety: gloves, eye protection, wheel chocks, jack stands rated for vehicle weight

📝 Step-by-Step Instructions

1. Enable Service Mode in the Tesla touchscreenControls > Service > "Service Mode." Confirm the warning prompt. This unlocks brake service functions.
2. Disable Electronic Parking Brake via Service Mode menuService Mode > Chassis > Brakes > "Open EPB." Failure to do this will damage the rear caliper actuators when you push the piston back.
3. Loosen lug nuts, jack up one corner, place jack standBlock opposite wheel. Pull the wheel off.
4. Remove the two caliper slide bolts (T55 Torx)These hold the caliper body to the bracket. Set aside.
5. Hang the caliper from the suspension with a wire or bungeeNEVER let it hang by the brake hose - the hose will fail.
6. Remove brake pads, inspectMeasure pad thickness. Replace if under 3mm. Inspect inboard and outboard for uneven wear.
7. Pull both slide pins out of the bracketThey may be stuck - use pliers and twist. Inspect for corrosion. Bad pins must be replaced.
8. Wipe slide pin bores clean, then wipe slide pins cleanUse a clean rag. Inspect dust boots - tears mean replacement.
9. Apply silicone caliper grease to slide pinsCoat the smooth section of each slide pin generously. Permatex Silicone Caliper Grease works perfectly. Do not use general purpose grease - it swells the rubber boots.
10. Apply a thin layer of caliper grease to the pad backing plate contact pointsWhere the pad edges ride in the bracket - just a film. Keep grease off the friction surface.
11. Reinstall pads in the bracketMake sure the wear indicator clip is in the inboard pad and on the correct side.
12. Press the caliper piston backUse a piston compressor tool or large C-clamp. Front: straight push. Rear: rotate clockwise + push (the rear has the EPB screw mechanism - this is why Service Mode is mandatory).
13. Reinstall caliper, torque slide bolts to 22 ft-lb (30 Nm)For Model 3 and Y front. Rear: 26 ft-lb (35 Nm). Verify in your specific service manual.
14. If bleeding: bleed the corner you just worked onTesla service procedure says bleed every 24 months. Crack the bleeder, pump pedal, close, top reservoir. Repeat 5 times.
15. Reinstall wheel, torque lugs to 129 ft-lb (175 Nm)All four Tesla models use this lug torque. Use a real torque wrench.
16. Repeat for remaining three cornersFront pair first, then rear pair. Rears require EPB still in Service Mode.
17. Exit Service ModeService Mode > Exit. This re-enables EPB and traction systems.
18. Test drive low speed firstPump pedal before moving. Several gentle stops from 25 mph. Verify the EPB engages and releases normally.
19. Log the serviceDate, mileage, pad thickness measurements, fluid bleed if done. Next caliper service in 12 months or 12,500 miles.

✅ After You Finish - Verify Checklist

• No tools left in the engine bay or under the car
• All plugs torqued to spec with new crush washers / gaskets
• Test the system worked on (start, drive, monitor for codes)
• Look for leaks or drips after 30 minutes of cool-down
• Record date, mileage, fluid P/N, and quantity in your service log
• Properly dispose of old fluid at an auto parts store recycling center

🔗 Related Guides

❓ Frequently Asked Questions