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Transmission Shops in Sarnia, ON

Find trusted transmission services in Sarnia. Compare prices, read reviews, and book online.

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Best Automotive
Sarnia • ≈ 6 km
BE
Best Automotive
100 Russell St S, Sarnia, ON N7T 1C5, Canada, Sarnia
★ 4.9
89 Google reviews
Response ≈ 29 min • $$ • Quotes free
Transmission Auto MechanicBrake Services
📞 (519) 344-4588 • Free quote • Verified
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Brothers Auto care
Sarnia • ≈ 3 km
BR
Brothers Auto care
1444 Plank Rd, Sarnia, ON N7W 1A7, Canada, Sarnia
★ 4.9
84 Google reviews
Response ≈ 24 min • $$$ • Quotes free
Transmission Auto MechanicBrake Services
📞 (548) 888-8491 • Free quote • Verified
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Mister Transmission
Sarnia • ≈ 2 km
MI
Mister Transmission
894 Exmouth St, Sarnia, ON N7T 5R2, Canada, Sarnia
★ 4.9
192 Google reviews
Response ≈ 52 min • $ • Quotes free
Transmission
📞 (226) 778-2600 • Free quote • Verified
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Mini_auto
Sarnia • ≈ 6 km
MI
Mini_auto
111 Campbell St, Sarnia, ON N7T 2G5, Canada, Sarnia
★ 4.8
6 Google reviews
Response ≈ 17 min • $$$ • Quotes free
Transmission Auto MechanicAuto Electrical
📞 (519) 466-6445 • Free quote • Verified
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Econo Automotive Repair Inc
Sarnia • ≈ 4 km
EC
Econo Automotive Repair Inc
795 Campbell St, Sarnia, ON N7T 7T3, Canada, Sarnia
★ 4.7
108 Google reviews
Response ≈ 57 min • $ • Quotes free
Transmission Auto MechanicBrake Services
📞 (519) 336-0950 • Free quote • Verified
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The Mufflerman
Sarnia • ≈ 2 km
TH
The Mufflerman
759 Exmouth St, Sarnia, ON N7T 5P7, Canada, Sarnia
★ 4.7
392 Google reviews
Response ≈ 32 min • $ • Quotes free
Transmission Brake ServicesSuspension & Steering
📞 (519) 336-3295 • Free quote • Verified
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Sarnia customer reviews

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Verified Reviews for Transmission
★ ★ ★ ★ ★

“Exactly work friendly environment and good service over night work seriously they give 24/7 service in town

My cars break is stuck they fix same time when i come to his garage

Nice service nice experience”

Balwinder kumar Goyal • Transmission at Mini_auto, Sarnia
★ ★ ★ ★ ★

“Great service, came in with issues of wires being eaten through by some pesky squirrels. Got it all repaired and handled within no time 😁 and reasonable price.”

Will Companion • Transmission at Econo Automotive Repair Inc, Sarnia
★ ★ ★ ★ ★

“best service in sarnia ont”

Chris Bags • Transmission at Best Automotive, Sarnia
★ ★ ★ ★ ★

“Bob was great in getting me in the next day. Fantastic quick action, and more than friendly. Thank you Sir.”

glen leach • Transmission at Mister Transmission, Sarnia
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Sarnia Pro – last 30 days
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Find a Best Transmission in Sarnia, ON

Boommar lists 6 verified mechanics in Sarnia. Compare real reviews, response times, pricing bands, and open bays — then book online.

Common Causes of Transmission Failure

Low or contaminated transmission fluid from neglected maintenance
Overheating from towing heavy loads without a transmission cooler
Worn clutch discs and pressure plates in manual transmissions
Failed solenoids and valve body issues in automatic transmissions
Torque converter failure causing shuddering and overheating
Broken or worn synchronizers making manual shifting difficult

Warning Signs of Transmission Problems

Transmission slipping—engine revs high but the vehicle doesn't accelerate
Harsh, delayed, or jerky shifting between gears
Grinding or shaking sensation when shifting a manual transmission
Transmission fluid leaking (bright red or dark brown fluid)
Check Engine or Transmission Warning light illuminated
Burning smell indicating overheated transmission fluid

Transmission Services Available

Transmission Fluid Flush

Complete fluid exchange to restore clean, functional ATF

Clutch Replacement

Replacing worn clutch disc, pressure plate, and throw-out bearing

Transmission Rebuild

Full teardown, parts replacement, and reassembly

Valve Body Repair

Fixing shift solenoids and hydraulic control circuits

Torque Converter Replacement

Replacing the failed fluid coupling unit

Transmission Replacement

Installing a remanufactured or used replacement unit

Transmission Tips

Check your transmission fluid level and condition monthly—it should be bright red and not smell burnt
Follow the manufacturer's recommended transmission fluid change intervals (usually every 60,000-100,000 km)
Come to a complete stop before shifting between Drive and Reverse
If you tow frequently, install an auxiliary transmission cooler to prevent overheating
Address a minor fluid leak immediately before it causes internal damage
For manual transmissions, don't ride the clutch pedal in traffic—it causes premature wear

Frequently Asked Questions

How much does a transmission rebuild cost in Sarnia? +
A complete automatic transmission rebuild typically costs $2,500-$5,000 for most vehicles. High-performance or European vehicles can cost $5,000-$8,000+. Manual transmission rebuilds are usually $1,500-$3,000.
How do I know if my transmission needs rebuilding vs. repair? +
If the issue is a single component like a solenoid or sensor, a targeted repair may suffice ($300-$800). If you have slipping, multiple fault codes, and burnt fluid, a full rebuild is usually necessary.
How long does a transmission rebuild take? +
Most transmission rebuilds take 3 to 5 business days. Complex units like CVTs or dual-clutch transmissions may take longer depending on parts availability.
Is a transmission flush safe for my vehicle? +
Yes, when performed correctly by a professional using the proper fluid. However, if your fluid is severely burnt and the transmission is already failing, a flush alone won't fix the underlying mechanical damage.

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