🔧 Ridgeline - Side View Mirror Replacement

Replacing both side view mirrors on your Ridgeline means removing the interior door trim just enough to access the mirror mounting nuts and the mirror’s electrical connector. This is usually done after a mirror is cracked, the turn signal/puddle light stops working (if equipped), or the mirror glass won’t adjust.

Difficulty Level: Intermediate | Estimated Time: 1.5-3.0 hours

---

⚠️ Safety & Precautions

• ⚠️ Turn ignition OFF and remove the key/fob from the truck.
• ⚠️ Disconnect the negative battery cable to reduce airbag/short risk while working in the door.
• ⚠️ Do not pull on wiring—always unplug connectors by the tab.
• ⚠️ Support the mirror as you remove the last nut so it doesn’t drop and chip paint.
• ⚠️ Use painter’s tape around the mirror base area to protect the paint.

---

🔧 Required Tools

You'll need the following tools for this repair:

• Safety glasses
• Mechanic gloves
• Trim removal tool set (plastic)
• Phillips screwdriver #2
• 10mm socket
• 1/4" drive ratchet
• 6" extension for 1/4" drive ratchet
• Torque wrench (inch-pound or low-range ft-lb)
• Needle-nose pliers
• Painter’s tape
• Shop towel
• 10mm wrench

---

🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Left (driver) side view mirror assembly - Qty: 1
• Right (passenger) side view mirror assembly - Qty: 1
• Door trim panel clips (assortment) - Qty: 1
• Butyl tape or door vapor barrier adhesive - Qty: 1

---

📋 Before You Begin

• Park on level ground and make sure the window is fully up.
• Apply painter’s tape around the mirror base on the outside of the door.
• Disconnect the negative battery cable: use a 10mm wrench on the negative terminal and isolate it so it can’t spring back.
• Have a towel ready to set the door trim and mirror on.

---

🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Remove the inner sail panel (mirror corner cover)

• Open the door you’re working on.
• Use a trim removal tool set (plastic) to gently pry off the small triangular plastic cover at the front upper corner of the door (inside, by the mirror).
• If it has a small tweeter speaker connector, unplug it by pressing the tab and pulling straight out.

Step 2: Remove the door handle/armrest fasteners

• Use a trim removal tool set (plastic) to pop off the small covers hiding screws in the door pull/armrest area.
• Remove the screws with a Phillips screwdriver #2.
• Tip: Put screws in a cup immediately.

Step 3: Release the door panel clips

• Slide a trim removal tool set (plastic) under the bottom edge of the door panel and pop the clips loose one at a time.
• Work your way around the sides until the panel feels free.

Step 4: Lift the door panel up and disconnect wiring

• Lift the door panel straight upward to unhook it from the window ledge.
• Support the panel and disconnect electrical connectors (window/lock switch) by pressing the tab and pulling straight out.
• If equipped with a mechanical door handle cable, unhook it carefully (rotate the cable housing out of its bracket, then lift the cable end out).

Step 5: Peel back the vapor barrier near the mirror area

• Use your hands and a trim removal tool set (plastic) to gently peel back the plastic sheet (vapor barrier) just enough to reach the mirror mounting area.
• If the adhesive gets messy or won’t stick later, plan to use butyl tape or door vapor barrier adhesive during reassembly.

Step 6: Unplug the mirror connector

• Locate the mirror electrical connector inside the door near the mirror mount.
• Press the lock tab and unplug it. Use needle-nose pliers only if needed to help depress the tab (don’t yank wires).

Step 7: Remove the mirror mounting nuts

• From inside the door, remove the mirror mounting nuts using a 10mm socket, 1/4" drive ratchet, and 6" extension for 1/4" drive ratchet.
• Hold the mirror with your other hand as you remove the last nut.
• Torque note: reinstall to 9 Nm (80 in-lbs) unless your replacement mirror kit specifies otherwise.

Step 8: Remove the mirror assembly

• Feed the mirror wiring and grommet out through the door opening and remove the mirror from the outside.
• Wipe the mounting surface with a shop towel so the new mirror sits flat.

Step 9: Install the new mirror

• Set the new mirror in place from the outside and feed the wiring/grommet into the door.
• Start the mounting nuts by hand to avoid cross-threading.
• Tighten with a 10mm socket and 1/4" drive ratchet, then final-tighten with a torque wrench (inch-pound or low-range ft-lb).
• Torque to 9 Nm (80 in-lbs).

Step 10: Reconnect mirror wiring and re-secure the vapor barrier

• Plug the mirror connector back in until it clicks.
• Press the vapor barrier back into place firmly.
• If it won’t stick, apply butyl tape or door vapor barrier adhesive and press it down all the way around.

Step 11: Reinstall the door panel

• Reconnect all door electrical connectors (and the handle cable if equipped).
• Hang the door panel on the top window ledge first, then press downward to seat it.
• Press all clips back in around the edges using your hands.

Step 12: Reinstall screws and the sail panel

• Reinstall the door screws using a Phillips screwdriver #2.
• Snap the screw covers back on.
• Reconnect the tweeter connector (if equipped) and snap the sail panel back in place.

Step 13: Repeat on the other door

• Follow the same steps for the other side mirror.

---

✅ After Repair

• Reconnect the negative battery cable using a 10mm wrench.
• Turn ignition ON and test mirror functions: adjust up/down/left/right, mirror fold (if equipped), heating (if equipped), and turn signal/puddle light (if equipped).
• Confirm the window and door locks work from the driver switch panel.
• Check that the vapor barrier is sealed so you don’t get water leaks or wind noise.

---

💰 DIY vs Shop Cost

Shop Cost: $350-$900 (parts + labor)

DIY Cost: $180-$650 (parts only)

You Save: $170-$250 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 1.0-2.0 hours.

---

🎯 Ready to get started?

HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections below to add everything to your cart.