Transmission Shops in Saint John, NB

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

✓ Verified Shops ✓ Online Booking ✓ Real Reviews
Midas Saint John
Saint John • ≈ 7 km
MI
469 Rothesay Ave, Saint John, NB E2J 2C3, Canada, Saint John
★ 4.9
91 Google reviews
Response ≈ 26 min $$ • Quotes free
Transmission Oil Change & LubeBrake Services
📞 (506) 214-9274 Free quote • Verified
Straight Forward Auto Sales and Service
Saint John • ≈ 5 km
ST
1 Cottage Rd, Saint John, NB E2J 4V9, Saint John
★ 4.9
17 Google reviews
Response ≈ 57 min $$$ • Quotes free
Transmission Auto MechanicAuto Mechanic
📞 (506) 672-2222 Free quote • Verified
Fairweather Tire & Automotive
Saint John • ≈ 5 km
FA
314 Rothesay Ave, Saint John, NB E2L 3Y2, Saint John
★ 4.8
87 Google reviews
Response ≈ 48 min $$$ • Quotes free
Transmission Auto MechanicTires & Wheels
📞 (506) 634-1050 Free quote • Verified
Lancaster Automotive Repair
Saint John • ≈ 7 km
LA
180 Simms Ct, Saint John, NB E2M 5K5, Saint John
★ 4.8
63 Google reviews
Response ≈ 43 min $$ • Quotes free
Transmission Auto MechanicAuto Mechanic
📞 (506) 635-8792 Free quote • Verified
MSA Autorepair
Saint John • ≈ 10 km
MS
516 Rothesay Ave, Saint John, NB E2J 2C7, Saint John
★ 4.8
152 Google reviews
Response ≈ 43 min $$$ • Quotes free
Transmission Auto MechanicAuto Mechanic
📞 (506) 645-0961 Free quote • Verified
Better Steering and Automotive Inc
Saint John • ≈ 7 km
BE
6 McLaughlin Crescent, Saint John, NB E2J 2J8, Saint John
★ 4.7
269 Google reviews
Response ≈ 18 min $$$ • Quotes free
Transmission Auto MechanicSuspension & Steering
📞 (506) 634-7833 Free quote • Verified
Lansdowne Auto Maintenance
Saint John • ≈ 2 km
LA
267 Metcalf St, Saint John, NB E2K 1K7, Saint John
★ 4.6
48 Google reviews
Response ≈ 26 min $$$ • Quotes free
Transmission Auto MechanicAuto Mechanic
📞 (506) 658-0406 Free quote • Verified
napa autopro
Saint John • ≈ 4 km
NA
1704 Rothesay Rd, Saint John, NB E2H 2J4, Saint John
★ 4.5
45 Google reviews
Response ≈ 31 min $$ • Quotes free
Transmission Auto MechanicAuto Mechanic
📞 (506) 847-8271 Free quote • Verified
Princess Auto
Saint John • ≈ 8 km
PR
35 Depot Ct, Saint John, NB E2J 0C2, Canada, Saint John
★ 4.4
275 Google reviews
Response ≈ 58 min $$ • Quotes free
Transmission Brake ServicesEngine Repair
📞 (506) 638-6200 Free quote • Verified
Take 5 Oil Change
Saint John • ≈ 6 km
TA
461 Rothesay Ave, Saint John, NB E2J 2C3, Saint John
★ 4.4
422 Google reviews
Response ≈ 52 min $$$ • Quotes free
Transmission Auto MechanicOil Change & Lube
📞 (506) 801-1194 Free quote • Verified
Future Auto Garage
Saint John • ≈ 2 km
FU
529 Rothesay Ave, Saint John, NB E2J 2C6, Saint John
★ 4.1
35 Google reviews
Response ≈ 45 min $ • Quotes free
Transmission Auto MechanicAuto Mechanic
📞 (506) 288-0999 Free quote • Verified
DriveCore Garage
Saint John • ≈ 6 km
DR
2900 Westfield Rd, Saint John, NB E2M 6S5, Saint John
Response ≈ 17 min $$$ • Quotes free
Transmission Auto MechanicAuto Mechanic
📞 (506) 721-9535 Free quote • Verified
JPlus Autoprecision
Saint John • ≈ 4 km
JP
Mobile Auto Shop, Saint John, NB E2L 1R5, Saint John
Response ≈ 20 min $$ • Quotes free
Transmission Auto MechanicAuto Mechanic
📞 (506) 321-8473 Free quote • Verified
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STEP 01
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STEP 03
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Saint John customer reviews

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Verified Reviews for Transmission
★ ★ ★ ★ ★

“These guys are great! Always helpful and fair. Some of the best I’ve had the pleasure of doing bussiness with! 🚙”

Rory Bell • Transmission at napa autopro, Saint John
★ ★ ★ ★ ★

“Everyone at Renforth Auto is fantastic. They are friendly and efficient. Most importantly they do not rip you off with pricing. I cannot recommend them enough.”

Julie Wood • Transmission at napa autopro, Saint John
★ ★ ★ ★ ★

“I have been going to nappa for years they are very reliable and I trust them”

Donna Shannon • Transmission at napa autopro, Saint John
★ ★ ★ ★ ★

“Best in town!”

Rakesh Kant • Transmission at napa autopro, Saint John
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Find a Best Transmission in Saint John, NB

Boommar lists 13 verified mechanics in Saint John. 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 Saint John? +
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.