🔧 Terrain - Rear Brake Pads & Rotor Replacement

On your Terrain, the rear brake pads clamp the rotor to slow the vehicle. When pads get thin or rotors get grooved/rusted, you replace pads and rotors together to restore safe stopping and prevent noise and vibration.

Difficulty Level: Intermediate | Estimated Time: 2-4 hours

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⚠️ Safety & Precautions

• 🛑 Work on level ground and use jack stands—never rely on a jack alone.
• 🛑 Chock the front wheels; the rear wheels will be off the ground.
• 🛑 Release the parking brake before removing rear rotors (your parking brake is inside the rear rotor “hat”).
• 🛑 Avoid breathing brake dust; use brake cleaner instead of compressed air.
• 🛑 Rotors and calipers can be hot if you just drove—let everything cool.

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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)
• Wheel chocks
• 19mm lug socket
• Breaker bar 1/2"
• Ratchet 3/8"
• Torque wrench 3/8"
• Torque wrench 1/2"
• 13mm socket
• 18mm socket
• C-clamp 6"
• Flathead screwdriver
• Wire brush
• Bungee cord
• Brake cleaner
• High-temperature silicone brake grease
• Anti-seize compound
• Drain pan
• Nitrile gloves
• Safety glasses

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Rear brake pad set - Qty: 1
• Rear brake rotors - Qty: 2
• Rear brake hardware kit (abutment clips) - Qty: 1
• Brake parts cleaner - Qty: 2 cans

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📋 Before You Begin

• Park on level ground, turn the steering wheel straight, and put the shifter in P.
• Release the parking brake (important: the parking brake shoes are inside the rear rotor).
• Chock both front wheels.
• Loosen the rear lug nuts 1/2 turn with a 19mm lug socket and breaker bar 1/2" before lifting.
• Plan to do one side at a time so you can use the other side as a reference.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Lift and secure the rear

• Use a floor jack to lift at the rear jacking point, then support the vehicle with jack stands.
• Give the vehicle a gentle shake to confirm it’s stable before you work.

Step 2: Remove the rear wheel

• Remove the lug nuts using a 19mm lug socket and ratchet 3/8" (or breaker bar 1/2" if tight).
• Remove the wheel and set it under the rocker as an extra safety backup.

Step 3: Locate the caliper and caliper bracket

• The caliper squeezes the pads; the caliper bracket is the metal frame the pads slide in.
• Turn the rotor by hand and look for heavy grooves or rust lips—this confirms why rotor replacement helps.

Step 4: Remove the caliper (do not hang it by the hose)

• Place a drain pan under the brake area.
• Remove the caliper guide/slider bolts using a 13mm socket and ratchet 3/8".
• Lift the caliper off the bracket. Support it with a bungee cord from the suspension spring.
• Never let the caliper dangle by the hose.

Step 5: Remove the old pads and hardware

• Slide the old pads out of the bracket by hand; use a flathead screwdriver if they’re stuck.
• Remove the stainless pad clips (hardware) from the bracket using a flathead screwdriver.

Step 6: Remove the caliper bracket

• Remove the two caliper bracket bolts using an 18mm socket and breaker bar 1/2".
• Set the bracket aside.

Step 7: Remove the old rotor

• If the rotor is stuck, spray the hub area with brake cleaner and tap the rotor hat firmly (not the wheel studs) using the handle end of a breaker bar 1/2".
• If the rotor will not come off, double-check the parking brake is fully released. The parking brake shoes can hold the rotor.

Step 8: Clean and prep the hub

• Clean the hub face with a wire brush until it’s smooth and free of flaky rust.
• Apply a very thin film of anti-seize compound to the hub face (avoid the wheel studs).
• Thin is in—too much can cause wobble.

Step 9: Install the new rotor

• Clean the new rotor with brake cleaner to remove shipping oil.
• Install the rotor onto the hub and hold it in place with 1-2 lug nuts hand-threaded (use the old lug nuts temporarily).

Step 10: Reinstall the caliper bracket

• Reinstall the bracket bolts using an 18mm socket and ratchet 3/8" to start threads by hand.
• Tighten with a torque wrench 1/2": Torque to 129 Nm (95 ft-lbs).
• A torque wrench clicks when the correct tightness is reached.

Step 11: Install new pad hardware and pads

• Install new abutment clips into the bracket.
• Apply a thin layer of high-temperature silicone brake grease where the pad ears touch the clips (metal-to-metal sliding points only).
• Slide the new pads into the bracket.

Step 12: Compress the caliper piston

• Remove the brake fluid reservoir cap under the hood (this helps fluid move back). Keep it sitting on top to prevent splashes.
• Use a C-clamp 6" to slowly push the piston back into the caliper.
• Watch the brake fluid level so it doesn’t overflow; catch any spill with the drain pan.

Step 13: Reinstall the caliper

• Place the caliper over the new pads.
• Reinstall the slider bolts using a 13mm socket and ratchet 3/8".
• Tighten with a torque wrench 3/8": Torque to 35 Nm (26 ft-lbs).

Step 14: Reinstall the wheel

• Install the wheel and hand-thread all lug nuts.
• Snug the lug nuts in a star pattern using a 19mm lug socket and ratchet 3/8".
• Lower the vehicle off the jack stands using the floor jack.
• Final-tighten with a torque wrench 1/2" in a star pattern: Torque to 140 Nm (103 ft-lbs).

Step 15: Repeat on the other rear side

• Repeat Steps 1–14 for the other rear wheel.

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✅ After Repair

• With the engine off, press the brake pedal slowly 10–15 times until it feels firm (this seats the pistons against the new pads).
• Check the brake fluid level and reinstall the reservoir cap.
• Test at low speed first. Confirm no grinding, pulling, or warning lights.
• Brake pad break-in: make 6–10 moderate stops from 30–35 mph, with cool-down time between stops. Avoid hard panic stops for the first 200 miles.

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💰 DIY vs Shop Cost

Shop Cost: $450-$750 (parts + labor)

DIY Cost: $160-$320 (parts only)

You Save: $290-$430 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 2-3 hours.

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🎯 Ready to get started?

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