🔧 Equinox - Rear Brake Pad Replacement

You’ll be removing the rear wheels, putting the electric parking brake into service mode (or disconnecting the EPB motor), then swapping the pads and reassembling with correct torque. This protects the rotors and makes sure the brakes wear evenly and safely.

Difficulty Level: Intermediate | Estimated Time: 2–3 hours

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⚠️ Safety & Precautions

• 🛑 Always support the Equinox with jack stands; never rely on the floor jack alone.
• 🛑 Your Equinox has an electric parking brake (EPB) on the rear calipers. Never apply the parking brake or cycle the ignition while a rear caliper is off the rotor.
• 🛑 Work on a flat, solid surface; use wheel chocks on the front wheels.
• 🛑 Brakes may be hot if recently driven; let them cool fully before starting.
• 🛑 Wear safety glasses and mechanic gloves; brake dust and cleaner are irritating.
• 🛑 Do not press the brake pedal with any caliper removed from the rotor.
• 🛑 Battery disconnect is not required if you correctly use EPB service mode and do not touch the EPB switch during the job.

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🔧 Required Tools

You'll need the following tools for this repair:

• 🧰 Floor jack (rated 3-ton minimum)
• 🧰 Jack stands (rated 3-ton minimum, Qty: 2–4)
• 🧰 Wheel chocks
• 🧰 19mm lug wrench or 19mm socket with breaker bar
• 🧰 13mm socket
• 🧰 18mm socket
• 🧰 3/8" ratchet
• 🧰 1/2" ratchet or breaker bar
• 🧰 Torque wrench (10–150 ft-lbs range)
• 🧰 C-clamp (6" or larger) or disc brake piston tool
• 🧰 Flathead screwdriver (medium)
• 🧰 Wire brush (small, steel)
• 🧰 Bungee cord or strong wire
• 🧰 Torx T30 bit or driver
• 🧰 Trim or pick tool
• 🧰 Brake cleaner spray
• 🧰 Shop towels or rags
• 🧰 OBD2 scan tool with EPB service mode (specialty, optional)
• 🧰 Small Allen key or Torx bit (to turn EPB spindle if needed)
• 🧰 Safety glasses
• 🧰 Mechanic gloves

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• 🧱 Rear brake pad set (left and right) - Qty: 1 set (replace in pairs)
• 🧱 Brake caliper hardware kit (rear, clips/shims) - Qty: 1 set
• 🧱 Synthetic brake lubricant (high-temp) - Qty: 1 small tube
• 🧱 Brake cleaner - Qty: 1–2 cans
• 🧱 Anti-seize compound - Qty: small packet (for hub/bolt heads only)

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📋 Before You Begin

• 🚗 Park the Equinox on level ground, shift to PARK, and apply the parking brake. Then turn ignition OFF.
• 🔧 Loosen (do not remove) both rear wheel lug nuts with the 19mm lug wrench while the vehicle is still on the ground.
• 📵 Make sure you have rear pads and hardware that match your Equinox; compare old and new parts before final assembly.
• 🧰 If using a scan tool with EPB function, read its instructions for EPB service/retract mode before lifting the vehicle.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Raise and support the rear of the Equinox

• Place wheel chocks in front of both front wheels.
• Use the floor jack at the approved rear jacking point (center of rear crossmember) to lift the rear of the Equinox.
• Position jack stands under the rear pinch welds or frame points on both sides and slowly lower the vehicle onto them with the floor jack.
• Remove the rear lug nuts completely with the 19mm socket and take off both rear wheels.
• Give the car a firm shake on stands to confirm stability.

Step 2: Put the rear EPB into service mode (preferred method)

• If you have an OBD2 scan tool with EPB function:
  • Turn ignition to ON (engine not running).
  • Connect the scan tool and select: Chevrolet > Equinox > Brake System > Electric Parking Brake.
  • Choose Service / Pad Replacement / Open Rear Calipers and follow on-screen instructions.
  • Wait until the scan tool confirms the calipers are in service mode.
• If you do not have a scan tool (backup method):
  • Leave ignition OFF and keep your foot off all pedals.
  • You will remove the EPB motor from each rear caliper in a later step and retract the piston mechanically.
• Do not touch the EPB switch again until the job is done.

Step 3: Remove the rear caliper (wheel side)

• Turn the steering wheel is not needed; rear wheels are fixed.
• Locate the rear brake caliper on one side.
• Use a flathead screwdriver to gently pry the outer pad away from the rotor a few millimeters to relieve tension.
• On the back of the caliper, locate the upper and lower guide pin bolts (usually 13mm heads).
• Use a 13mm socket and 3/8" ratchet to remove both caliper guide pin bolts.
• Carefully slide the caliper off the pads and rotor. Support it with a bungee cord from the suspension spring so the hose is not stretched.
• Never let the caliper hang by the brake hose.

Step 4: (No-scan-tool method) Remove EPB motor and retract piston

• Skip this step if you already put the EPB in service mode with a scan tool.
• Locate the EPB motor on the back of the caliper (small electric unit with a connector).
• Disconnect the electrical connector by releasing the tab with a trim or pick tool.
• Remove the 2 small screws holding the motor using a Torx T30 bit and 3/8" ratchet.
• Gently wiggle and pull the EPB motor straight back off the caliper; set it aside where it stays clean.
• Inside the opening, you will see a screw-type spindle. Insert a small Allen key or Torx bit and turn clockwise slowly to retract the piston fully.
• Turn gently; do not force the spindle.

Step 5: Remove old pads and hardware, inspect components

• Slide the inner and outer brake pads out of the caliper bracket by hand.
• Remove the metal pad clips (hardware) from the caliper bracket using a flathead screwdriver if needed.
• Inspect the rotor surface for deep grooves, cracks, or heavy ridges:
  • If badly worn or ridged, the rotors should be resurfaced or replaced.
• Use a wire brush to clean the pad contact areas on the caliper bracket until shiny metal is visible.
• Spray the area with brake cleaner and wipe with shop towels.

Step 6: Retract the caliper piston

• If you used a scan tool EPB service mode:
  • Place an old brake pad against the piston face in the caliper.
  • Use a C-clamp or disc brake piston tool to slowly push the piston straight back into the caliper until it is fully seated.
• If you used the mechanical EPB spindle method:
  • The piston should already be retracted by turning the spindle in Step 4.
• Check that the piston boot is not twisted or pinched; straighten it by hand if needed.
• Slow, steady pressure prevents damage to internal seals.

Step 7: Install new hardware and pads

• Clip the new metal hardware (pad clips) into the caliper bracket by hand, making sure they seat fully.
• Apply a thin film of synthetic brake lubricant to the pad clip contact areas where the pads will slide (do not get any on the pad friction material or rotor).
• Apply a small amount of brake lubricant to the pad ears (the ends that contact the clips) and the back of the pads where they contact the caliper piston and outer fingers.
• Slide the new inner and outer pads into the caliper bracket. They should move freely but not rattle.
• If a pad is tight, remove and clean the bracket more.

Step 8: Reinstall EPB motor (no-scan-tool method)

• Only for the side where you removed the EPB motor.
• Carefully align the EPB motor with the caliper opening and slide it straight on.
• Install the two EPB motor screws using the Torx T30 bit and 3/8" ratchet. Tighten evenly.
• Torque to 3 Nm (27 in-lbs) with the torque wrench if it can read that low.
• Reconnect the EPB electrical connector by pushing it on until it clicks.

Step 9: Reinstall the caliper over new pads

• Inspect the caliper guide pins:
  • Pull them out by hand, wipe off old grease with shop towels, and apply fresh synthetic brake lubricant to the smooth pin surfaces.
  • Reinstall the guide pins into the caliper boots and move them back and forth to spread the grease.
• Position the caliper over the new pads and align it with the caliper bracket.
• Install the upper and lower caliper guide pin bolts by hand to avoid cross-threading.
• Use the 13mm socket and 3/8" ratchet to snug them.
• Use the torque wrench with the 13mm socket to tighten the guide pin bolts to 32 Nm (24 ft-lbs).

Step 10: Repeat on the other side

• Repeat Steps 3–9 on the other rear wheel.
• Always replace rear brake pads on both sides in the same job to keep braking balanced.

Step 11: Reinstall wheels and lower the Equinox

• Place each rear wheel back on the hub and hand-thread all lug nuts.
• Snug the lug nuts in a star pattern using the 19mm socket and ratchet, but do not fully tighten while in the air.
• Use the floor jack to lift the Equinox off the jack stands, remove the stands, then slowly lower the vehicle to the ground.
• With the vehicle on the ground, use the torque wrench and 19mm socket to tighten the lug nuts in a star pattern to 140 Nm (103 ft-lbs).

Step 12: Exit EPB service mode and seat the pads

• Get into the driver’s seat and turn the ignition to ON (engine off).
• Slowly press the brake pedal all the way down and release it about 10–15 times until the pedal feels firm. This seats the pads against the rotors.
• If you used a scan tool:
  • Use the scan tool to command the EPB to Close / Exit Service Mode.
• If you used the mechanical EPB method:
  • With the ignition ON, apply and release the parking brake using the EPB switch a few times so the system self-adjusts.
• Do this before driving or the pedal may feel soft.

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✅ After Repair

• 🧪 Start the engine and carefully test the brake pedal in PARK; it should feel firm and consistent.
• 🧪 Check around both rear calipers for any fluid leaks or loose components.
• 🧪 In a safe, low-traffic area, perform a short test drive:
  • Make several gentle stops from 20–30 km/h (10–20 mph).
  • Listen for grinding, squealing, or any pulling to one side.
• 🧪 Bed-in the new pads: over the first 300–500 km, avoid hard panic stops when possible and use moderate braking to let the pads and rotors wear together.
• 🧪 After the test drive, recheck lug nut torque with the torque wrench.

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💰 DIY vs Shop Cost

Shop Cost: $250–$400 (parts + labor) for rear pads on an Equinox

DIY Cost: $70–$150 (parts only)

You Save: $180–$250 by doing it yourself!

Shop labor rates vary but typically run $100–$150/hour. This repair takes a shop approximately 1.0–1.5 hours.

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