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Transmission Shops in Thunder Bay, ON

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

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Deluxe Auto & Fleet
Thunder Bay • ≈ 3 km
DE
Deluxe Auto & Fleet
1802B Victoria Ave E, Thunder Bay, ON P7C 1E1, Canada, Thunder Bay
★ 4.9
124 Google reviews
Response ≈ 47 min • $ • Quotes free
Transmission European & Speciality Cars
📞 (807) 935-7902 • Free quote • Verified
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Up Front Auto
Thunder Bay • ≈ 9 km
UP
Up Front Auto
112 Front St, Thunder Bay, ON P7A 4K5, Canada, Thunder Bay
★ 4.9
112 Google reviews
Response ≈ 24 min • $ • Quotes free
Transmission Auto MechanicEngine Repair
📞 (807) 346-4091 • Free quote • Verified
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Lakeshore Auto & Co
Thunder Bay • ≈ 5 km
LA
Lakeshore Auto & Co
429 Fort William Rd, Thunder Bay, ON P7B 2Z5, Canada, Thunder Bay
★ 4.8
112 Google reviews
Response ≈ 41 min • $$ • Quotes free
Transmission Auto MechanicAuto Electrical
📞 (807) 474-3229 • Free quote • Verified
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Payless Automotive Maintenance and Repairs
Thunder Bay • ≈ 3 km
PA
Payless Automotive Maintenance and Repairs
330 Fort William Rd, Thunder Bay, ON P7B 2Z3, Canada, Thunder Bay
★ 4.4
63 Google reviews
Response ≈ 20 min • $$$ • Quotes free
Transmission Auto MechanicBrake Services
📞 (807) 344-3444 • Free quote • Verified
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Lightning Rod
Thunder Bay • ≈ 7 km
LI
Lightning Rod
519 Brock St E, Thunder Bay, ON P7E 4H8, Canada, Thunder Bay
★ 4.3
21 Google reviews
Response ≈ 55 min • $$ • Quotes free
Transmission Rust Proofing & ProtectionRust Proofing & Protection
📞 (807) 577-1859 • Free quote • Verified
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Narvi's Auto Service
Thunder Bay • ≈ 7 km
NA
Narvi's Auto Service
918 Alloy Dr, Thunder Bay, ON P7B 6A4, Canada, Thunder Bay
★ 4.3
134 Google reviews
Response ≈ 36 min • $ • Quotes free
Transmission Auto MechanicSuspension & Steering
📞 (807) 622-2829 • Free quote • Verified
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Daniar's Automatic Transmission Ltd
Thunder Bay • ≈ 6 km
DA
Daniar's Automatic Transmission Ltd
632 Fort William Rd, Thunder Bay, ON P7B 2Z9, Canada, Thunder Bay
★ 3.8
26 Google reviews
Response ≈ 39 min • $$$ • Quotes free
Transmission
📞 (807) 344-3127 • Free quote • Verified
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Thunder Bay customer reviews

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Verified Reviews for Transmission
★ ★ ★ ★ ★

“Great Service. Daryl takes care of his customers”

Bjorn Bjorkman • Transmission at Narvi's Auto Service, Thunder Bay
★ ★ ★ ★ ★

“Great service!They fix my car AC quickly and efficiently.”

Lanlan Sibolboro • Transmission at Deluxe Auto & Fleet, Thunder Bay
★ ★ ★ ★ ★

“I really appreciate the team for checking my car and not charging me since it didn’t require any additional work at the moment. Honest and helpful service like this is rare—thank you!”

david kaseka • Transmission at Payless Automotive Maintenance and Repairs, Thunder Bay
★ ★ ★ ★ ★

“Outstanding job undercoating my SUV. Clean application with no overspray and prompt turnaround.”

Robert C. • Transmission at Lightning Rod, Thunder Bay
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Find a Best Transmission in Thunder Bay, ON

Need a reliable mechanic for Transmission in Thunder Bay? We've verified 7 local shops ready to help. Check their availability and get a quote instantly.

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 Thunder Bay? +
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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