How to Replace Engine Mounts on a 2012 Honda Civic (All Mount Locations)
Step-by-step DIY instructions, required tools/parts, safety tips, and where to find torque specs by mount
How to Replace Engine Mounts on a 2012 Honda Civic (All Mount Locations)
Step-by-step DIY instructions, required tools/parts, safety tips, and where to find torque specs by mount


đź”§ Civic - Engine Mount Replacement
On your Civic, “engine mounts” can mean multiple different mounts (engine-side, transmission-side, and torque mounts). The exact steps and torque specs change depending on which mount you’re replacing, so I want to lock that down before I walk you through unbolting anything.
Difficulty Level: Intermediate | Estimated Time: 1.0-3.0 hours (per mount)
⚠️ Safety & Precautions
- ⚠️ Never get under the car supported only by a jack; use jack stands.
- ⚠️ Do not lift the engine by the oil pan directly; always use a wood block between the jack and the engine/transmission.
- ⚠️ Keep hands clear when raising/lowering the engine; mounts can “shift” suddenly.
- ⚠️ Let the exhaust cool fully; the rear mount area can be near hot components.
đź”§ Required Tools
You'll need the following tools for this repair:
- Floor jack (rated 2-ton minimum)
- Jack stands (rated 2-ton minimum)
- Wheel chocks
- Wood block (2x6 or 2x8, 12-18 in long)
- Metric socket set (8mm-19mm)
- 3/8" drive ratchet
- 1/2" drive breaker bar
- Torque wrench (10-150 ft-lbs range)
- Metric combination wrench set (10mm-19mm)
- Phillips screwdriver
- Trim clip remover
- Flashlight
- Mechanic gloves
- Safety glasses
🔩 Required Parts
HowToo sells all the parts you need for this repair:
- Engine mount (right/passenger-side) - Qty: 1
- Transmission mount (left/driver-side) - Qty: 1
- Lower torque mount (front) - Qty: 1
- Lower torque mount (rear) - Qty: 1
- Mount-to-bracket bolts/nuts (recommended if specified with mount) - Qty: As needed
đź“‹ Before You Begin
- Park on level ground, put the transmission in 1st gear, and set the parking brake.
- Chock the rear wheels using wheel chocks.
- Plan to support the engine/transmission with a floor jack and wood block before loosening mount hardware. (A wood block spreads the load so you don’t crush parts.)
🔨 Step-by-Step Instructions
Follow these steps in order:
Step 1: Tell me which mount you’re replacing (so I can give exact steps + torque specs)
- Use a flashlight and look for the torn/cracked rubber mount.
- Reply with which one it is:
- Right (passenger-side) upper engine mount (near the engine belt side)
- Left (driver-side) upper transmission mount (under/near the battery tray area)
- Lower front torque mount (down low, front side of engine/trans area)
- Lower rear torque mount (down low, closer to firewall side)
- Most vibration at idle often points to an upper mount.
Step 2: Quick confirmation checks (no disassembly yet)
- Open the hood and have a helper start the car while you watch the engine (stay clear of moving parts).
- With the car stationary, have the helper gently “blip” the throttle (small rev). Excess rocking can indicate a failed mount.
- If you have a manual, also note if you feel a “clunk” during on/off throttle or shifting—this often points to a lower torque mount.
Step 3: Answer these 2 questions and I’ll give the full replacement procedure with exact torque specs
- Which mount are you replacing (right upper / left upper / lower front / lower rear / all of them)?
- Do you have access to a torque wrench (yes/no)?
âś… After Repair
- After the correct mount is installed, you’ll re-check for vibration at idle and for clunks on takeoff/shifts.
- You’ll also re-check that no hoses/wiring are stretched and that the engine sits level.
đź’° DIY vs Shop Cost
Shop Cost: $350-$1,200 (parts + labor, depending on how many mounts)
DIY Cost: $60-$450 (parts only, depending on how many mounts)
You Save: $290-$750 by doing it yourself!
Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 1-3 hours per mount.
🎯 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.



















