Engine & Transmission Services in Richmond Hill
Engine replacement when a repair is no longer practical, and transmission flush service to keep your transmission fluid clean and doing its job.
Keeping Your Engine and Transmission on the Road
Your engine and transmission are two of the most important and expensive systems in your vehicle. When an engine has serious internal damage, replacing it can be the most sensible way to get the vehicle back on the road. When your transmission is due for service, fresh fluid helps it shift and stay protected.
Every job at 404 Auto Repair starts with a proper look at the problem. If you are not sure what is wrong, we begin with computer diagnostics so the recommendation is based on facts. We also handle engine and transmission service for commercial vans used for work.
Our Engine & Transmission Services
Engine Replacement
When an engine is damaged beyond a practical repair, we can remove it and install a suitable replacement engine. We review the options with you before any work begins.
- Inspection and diagnosis to confirm engine condition
- Discussion of replacement options for your vehicle
- Removal and installation of the replacement engine
- Final checks before the vehicle is returned
Transmission Flush
Over time, transmission fluid breaks down and collects debris. A transmission flush replaces old fluid with new fluid that meets your vehicle’s specifications.
- Old transmission fluid exchanged for new fluid
- Fluid type matched to your vehicle's requirements
- Service based on your maintenance schedule
- Available for cars, SUVs and commercial vans
When to Have Your Engine or Transmission Checked
Engine warning signs
- Knocking or loud tapping from the engine
- Heavy smoke from the exhaust
- Major loss of power or compression
- Severe overheating or oil consumption
- The engine will not run properly after repairs
Transmission service reminders
- Your maintenance schedule calls for fluid service
- The fluid looks dark or smells burnt
- Shifting feels delayed or harsh
- You tow, haul or drive a work van daily
If your transmission is slipping or not shifting correctly, start with a diagnostic check so the cause can be identified.
Why Acting Early Matters
Avoid bigger damage
Ignoring engine noises or old transmission fluid can turn a manageable problem into a costly one.
Make an informed choice
A clear diagnosis helps you decide between repair, replacement or regular maintenance.
Less downtime
Planned service is easier to schedule than an unexpected breakdown, especially for work vehicles.
Related Services
Engine & Transmission Questions
When is engine replacement a better option than repair?
Engine replacement is usually considered when there is serious internal damage and the cost of repairing the original engine is close to, or more than, the cost of a replacement. We inspect the engine first and go over the options with you.
What is a transmission flush?
A transmission flush exchanges the old transmission fluid with new fluid that meets your vehicle’s specifications. It is a maintenance service, not a repair for internal transmission damage.
How often should transmission fluid be changed?
Intervals vary by vehicle and driving conditions. Check your owner’s manual, or ask us to check the fluid condition and recommend the right timing.
Do you work on commercial van engines and transmissions?
Yes. We service Mercedes-Benz Sprinter, Ford Transit and Chevrolet Express vans. Contact us with your van’s details to discuss the work it needs.
Engine or transmission concerns?
Tell us about your vehicle and request an estimate from 404 Auto Repair.
Auto repair shop at 10427 Yonge St in Richmond Hill, Ontario. Diagnostics, brakes, tires, commercial van repair and auto appearance services.
- 10427 Yonge St, Richmond Hill, ON L4C 0Z3
- (416) 731-2920
- info@404auto.ca
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Mon–Fri: 8:30 AM – 6:00 PM
Saturday: 8:00 AM – 3:00 PM
Sunday: Closed