Engine Mount Repair Cost Guide
Front Engine Mount Replacement
Labor time: 1.5-2.5 hours
Typical labor cost: $187-$312
Parts cost: $75-$200
Total estimated cost: $262-$512
Rear Engine Mount Replacement
Labor time: 2-3 hours
Typical labor cost: $250-$375
Parts cost: $80-$220
Total estimated cost: $330-$595
Side Engine Mount Replacement
Labor time: 1.5-2 hours
Typical labor cost: $187-$250
Parts cost: $65-$180
Total estimated cost: $252-$430
Torque Mount Replacement
Labor time: 1-2 hours
Typical labor cost: $125-$250
Parts cost: $70-$190
Total estimated cost: $195-$440
Please note:
- Costs may vary depending on vehicle make and model
- Premium or luxury vehicles typically have higher parts costs
- Additional repairs may be necessary if surrounding components are damaged
- All estimates based on our shop rate of $125/hour
Multiple Mount Replacement Discount:When replacing multiple engine mounts during the same service visit, labor costs are typically reduced due to overlapping work procedures.
Engine Mount Repair Procedures by Type
Hydraulic Engine Mount
Repair Steps:
- Perform visual inspection for fluid leaks and rubber deterioration
- Support engine with appropriate engine support fixture
- Remove mounting bolts connecting mount to engine and frame/chassis
- Remove damaged hydraulic mount
- Clean mounting surfaces thoroughly
- Install new hydraulic mount (these cannot be repaired and must be replaced)
- Torque all bolts to manufacturer specifications
- Remove engine support and test for proper operation
Conventional Rubber Engine Mount
Repair Steps:
- Inspect for rubber cracking, separation, or deterioration
- Support engine with appropriate support fixture
- Remove mounting bolts
- Remove damaged mount
- Clean mounting surfaces
- Install new rubber mount
- Torque bolts to specification
- Remove engine support
Active Engine Mount
Repair Steps:
- Perform diagnostic scan for electronic faults
- Check electrical connections and vacuum lines (if applicable)
- Support engine properly
- Disconnect electrical connectors and vacuum lines
- Remove mounting bolts
- Replace with new active mount
- Reconnect all electrical and vacuum connections
- Torque bolts to specification
- Clear any fault codes
- Test operation through all RPM ranges
Semi-Active Engine Mount
Repair Steps:
- Check vacuum system operation
- Support engine
- Disconnect vacuum lines
- Remove mounting bolts
- Replace mount assembly
- Reconnect vacuum lines
- Torque bolts to specification
- Test vacuum system operation
Important Notes:
- Always refer to manufacturer-specific procedures and torque specifications
- Engine mounts should typically be replaced in pairs for optimal performance
- Proper engine support is crucial to prevent damage during replacement
- Post-repair inspection should include checking for proper alignment and clearance
Note: These are general repair procedures. Specific vehicles may require additional or modified steps. Always consult your vehicle's service manual for detailed instructions.
Understanding Engine Mounts
Front Engine Mount
The front engine mount, also known as the front motor mount, is positioned at the front of the engine and serves as a primary support point. It helps absorb engine vibrations and prevents the engine from moving forward during braking. This mount is crucial for maintaining proper engine alignment and protecting other vehicle components from excessive movement.
Rear Engine Mount
Located at the back of the engine, the rear engine mount works in conjunction with the front mount to provide stability. It's specifically designed to control engine movement during acceleration and helps prevent the engine from lifting during heavy throttle application. The rear mount also plays a vital role in reducing noise and vibration transmission to the vehicle's cabin.
Side Engine Mount
Side engine mounts (also called torque mounts) are positioned on either side of the engine and help control lateral movement. These mounts are essential for preventing side-to-side swaying of the engine, particularly during cornering and sudden directional changes. They contribute significantly to overall vehicle stability and handling.
Transmission Mount
While technically not an engine mount, the transmission mount works as part of the engine mounting system. It supports the transmission's weight and helps align it with the engine. This mount is crucial for smooth power transfer and preventing transmission movement that could cause driveline vibrations or mechanical wear.
Hydraulic Engine Mount
A more advanced type of engine mount, the hydraulic mount contains fluid-filled chambers that provide superior vibration dampening. These mounts are particularly effective at isolating engine vibrations across different RPM ranges and load conditions, offering better comfort and reduced noise compared to conventional rubber mounts.
Active Engine Mount
The most sophisticated type of engine mount, active mounts use electronic controls to adjust their dampening characteristics based on driving conditions. These mounts can change their stiffness in real-time to provide optimal vibration isolation and engine control, resulting in superior comfort and performance.
Note: The specific configuration and number of engine mounts can vary depending on the vehicle's make, model, and engine type. Regular inspection and maintenance of engine mounts is essential for optimal vehicle performance and safety.
Signs and Symptoms of Engine Mount Failure
Engine Mount Failure Signs & Maintenance Guide
Hydraulic Engine Mounts
Signs of Failure:
- Excessive engine vibration at idle
- Fluid leakage from the mount
- Clunking or banging noises when shifting gears
- Engine movement during acceleration or braking
Service Schedule: Typically needs inspection every 60,000-100,000 miles, but should be replaced when showing signs of fluid leakage or deterioration.
Solid Rubber Engine Mounts
Signs of Failure:
- Visible cracks or splits in the rubber
- Separation of rubber from metal components
- Increased cabin vibration
- Misaligned engine position
Service Schedule: Should be inspected every 40,000-60,000 miles. Replacement typically needed between 5-7 years depending on driving conditions.
Active Engine Mounts
Signs of Failure:
- Electronic system warning lights
- Increased vibration at specific RPMs
- Electrical connection issues
- Failure to adjust to driving conditions
Service Schedule: Requires electronic diagnostic testing every 50,000 miles. Replace when electronic systems show failure or physical deterioration is evident.
Semi-Active Engine Mounts
Signs of Failure:
- Inconsistent vibration dampening
- Vacuum system leaks
- Poor engine stability at varying speeds
- Unusual engine movement
Service Schedule: Inspect vacuum systems and physical condition every 50,000 miles. Replace when vacuum system fails or mount shows physical wear.
Note: These are general guidelines. Always consult your vehicle's manual for specific maintenance schedules and replacement intervals.
How It Works
- Get a quote online or set-up a time to have your vehicle looked at.
- Pick time slots that work for you, easily, online.
- We will confirm appointments and send reminders.
- Our mechanics bring everything that is needed to you.
- All you have to do is provided a safe area for the work to be performed.
What we need from you
- A safe place to work on your vehicle
- No working on the side of busy roads
- No working on unstable or steep surfaces.
- We do not perform repairs during severe weather.
- Authorization from a property owner or management.
- Repair work done in a parking lot or at your requires permission.
- We do not do repairs in areas restricted by law.
Common Questions
Service Area
Our primary service area is greater Grand Rapids and includes Comstock Park, East Grand Rapids, Grandville, Kentwood, Walker, and Wyoming
Our secondary service area is provided by our Belding location and includes: Belding, Greenville, Ionia and the sorrounding areas.
Contact us if you have any questions about where we provide services.
