Automatic Transmission Mount Repair Costs
Front Transmission Mount
Labor time: 1.5-2 hours
Parts cost: $50-120
Total estimated cost: $237-370
Rear Transmission Mount
Labor time: 2-3 hours
Parts cost: $40-100
Total estimated cost: $290-475
Side Transmission Mount
Labor time: 1.5-2.5 hours
Parts cost: $45-110
Total estimated cost: $232-422
Please note:
- All labor is calculated at our standard rate of $125/hour
- Parts costs may vary depending on vehicle make and model
- Some vehicles may require additional time due to accessibility
- Multiple mount replacements can be done simultaneously, potentially reducing overall labor time
Signs you need transmission mount replacement:
- Excessive vibration while driving
- Clunking noises during acceleration or braking
- Visible damage or wear on the mounts
- Engine movement when shifting gears
Automatic Transmission Mount Replacement Guide
Front Transmission Mount
Typical Steps:
- Raise and secure vehicle on lift or jack stands
- Support transmission with jack and safety stand
- Remove front mount bolts connecting to transmission
- Remove bolts securing mount to crossmember/frame
- Carefully lower transmission slightly to create working space
- Remove old mount
- Install new mount, ensuring correct orientation
- Raise transmission back to proper position
- Install and torque all mounting bolts to specification
- Remove transmission support
Rear Transmission Mount
Typical Steps:
- Raise and secure vehicle on lift or jack stands
- Support transmission with jack and safety stand
- Remove heat shield if present
- Disconnect exhaust components if necessary for access
- Remove rear mount bolts from transmission and crossmember
- Lower transmission slightly
- Remove old mount
- Install new mount
- Raise transmission to proper position
- Install and torque all bolts to specification
- Reinstall heat shield and exhaust components
- Remove transmission support
Side Transmission Mount
Typical Steps:
- Raise and secure vehicle on lift or jack stands
- Support transmission with jack and safety stand
- Remove side mount bolts from transmission case
- Remove bolts securing mount to frame bracket
- Remove old mount
- Install new mount
- Secure mount to frame bracket
- Install and torque transmission-side bolts
- Remove transmission support
Important Notes:
- Always refer to vehicle-specific repair manual for exact procedures and torque specifications
- Inspect surrounding components for wear while mount is removed
- Check transmission alignment before final torque of bolts
- Replace all mounting hardware if corroded or damaged
- Test drive vehicle to ensure proper installation
Note: Repair time typically ranges from 1-3 hours depending on vehicle make/model and mount location. Some vehicles may require additional steps or special tools.
Understanding Automatic Transmission Mounts
AnAutomatic Transmission Mountis a crucial component in your vehicle's powertrain system that serves multiple important functions:
What is a Transmission Mount
A transmission mount is a specially designed bracket and rubber insulator system that securely connects your vehicle's transmission to the frame or body of your car. It's engineered to provide both solid support and controlled flexibility.
Primary Functions:
- Vibration Control:The mount absorbs and dampens vibrations from the transmission, preventing them from transferring to the vehicle's cabin.
- Support:It physically supports the weight of the transmission while keeping it properly aligned with other drivetrain components.
- Movement Management:The mount allows for controlled movement of the transmission during acceleration, braking, and torque transfer.
Why It's Important:
A properly functioning transmission mount:
- Reduces noise and vibration in the passenger compartment
- Prevents transmission misalignment
- Protects other drivetrain components from excessive stress
- Improves overall driving comfort
Warning Signs of a Failing Mount:
- Excessive vibration while driving
- Clunking noises during gear shifts
- Visible damage or wear to the mount
- Transmission movement under acceleration
Regular inspection and maintenance of your transmission mount can help prevent costly repairs and ensure smooth, comfortable operation of your vehicle.
Common Failure Symptoms of Automatic Transmission Mounts
Signs of Transmission Mount Failure & Maintenance Guide
Hydraulic Transmission Mount
Signs of Failure:
- Excessive engine/transmission movement during acceleration
- Fluid leaking from the mount
- Increased vibration throughout the vehicle
- Clunking or banging sounds when shifting gears
Service Schedule: Typically needs inspection every 60,000 miles, with replacement usually necessary between 60,000 to 100,000 miles depending on driving conditions.
Solid Rubber Transmission Mount
Signs of Failure:
- Visible cracks or tears in the rubber
- Separation of rubber from metal components
- Excessive transmission movement
- Increased cabin noise and vibration
Service Schedule: Should be inspected every 40,000 miles. Replacement typically needed between 5-7 years or 60,000-80,000 miles.
Active Transmission Mount
Signs of Failure:
- Electronic system warning lights
- Increased vibration at specific RPMs
- Failed electronic controls
- Unusual noise during acceleration or deceleration
Service Schedule: Requires electronic diagnostic testing every 50,000 miles. Typical lifespan is 60,000-90,000 miles.
Semi-Active Transmission Mount
Signs of Failure:
- Inconsistent vibration dampening
- Fluid leaks from internal chambers
- Increased noise during gear changes
- Poor response to changing road conditions
Service Schedule: Inspection recommended every 45,000 miles. Average replacement interval is 70,000-85,000 miles.
Important Note: These are general guidelines. Actual service intervals and replacement needs may vary based on vehicle make, model, driving conditions, and manufacturer recommendations. Always consult your vehicle's manual or a certified technician for specific maintenance schedules.
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.
