4 Best Transmission Repair Shops in Scarborough, ON

4 transmission shops found in Scarborough • Avg rating ★ 4.5 (833 reviews)

Scarborough customer feedback

Customer Reviews for Transmission in Scarborough

Verified Reviews for Transmission

★ ★ ★ ★ ★

“I am thoroughly impressed at the knowledge and expertise that Mario brings when it comes to properly helping you choose the right performance parts to get the “best bang for your buck” or in this case “boost” I will always bring my vehicle here for all service needs!!”

Steven M • Transmission at K & H Automotive Performance and Cooling, Scarborough

★ ★ ★ ★ ★

“Friendly knowledgeable fast repair services.”

Bruce Lawton • Transmission at K & H Automotive Performance and Cooling, Scarborough

★ ★ ★ ★ ★

“Gina, Mario, and the Tech is truly great.
Their honesty and hard work stands out from others. Every time I visit I feel welcome and treated with respect. I have a Golf R and recently got it tune and customize. I will be servicing the vehicle here onwards. Great work I highly recommend for all your car needs.”

R T • Transmission at K & H Automotive Performance and Cooling, Scarborough

★ ★ ★ ★ ★

“This people are highly professional and they know what they are doing!”

David Nega • Transmission at K & H Automotive Performance and Cooling, Scarborough

Top Transmission Shops in Scarborough, ON

Boommar lists 4 verified transmission shops in Scarborough, Ontario, with an average rating of 4.5 / 5.0 across 833 customer reviews. Compare Verified partner shops and top-rated local garages below:

Shop Name	Address	Rating / Status	Phone
Toronto Brake	188 Hymus Rd, Scarborough, ON M1L 2E1	★ 4.9 (44)	(416) 759-9763
Markham Muffler	114 Sinnott Rd Unit 3 &4, Scarborough, ON M1L 4M9, Canada	★ 4.5 (394)	(416) 751-5156
K & H Automotive Performance and Cooling	3596 St Clair Ave E Unit 2, Scarborough, ON M1K 1M2	★ 4.5 (93)	+1 416-266-7777
Canada Custom Mufflers & Brakes Inc (The Muffler Dr)	1211 Kennedy Rd, Scarborough, ON M1P 2L2, Canada	★ 4.2 (302)	(416) 285-6593

Which Auto Mechanic Is Best for Transmission Repairs in Scarborough?

From slipping automatic gears to shuddering CVT transmissions, finding the right transmission repair shop in Scarborough saves thousands compared to dealership replacement quotes. Specialized garages along Ellesmere, Lawrence, and Kennedy diagnose transmission fault codes before recommending major work.

Scarborough Transmission Diagnostics vs. Rebuilds

The best transmission mechanics in Scarborough use advanced OBD2 diagnostic scanners to test shift solenoid response, torque converter clutch slip, and fluid degradation. A timely fluid exchange ($180 to $320) or valve body solenoid repair can often solve shifting issues without an expensive $3,500+ rebuild.

Preventing Costly CVT & Automatic Transmission Failures

High highway mileage across eastern Toronto heats up transmission fluid. Changing your automatic or CVT fluid every 60,000 to 80,000 km prevents friction clutch burnout. Compare verified Scarborough transmission specialists on Boommar to get honest evaluations and warranty-backed repairs.

Common Causes of Transmission Problems

Degraded, overheated, or low automatic transmission fluid (ATF)

Heavy towing or stop-and-go traffic overheating the torque converter and clutches

Failing shift solenoids, pressure sensors, or valve body wear

CVT steel push-belt or pulley wear from skipped CVT fluid changes

Worn manual clutch disc, pressure plate, dual-mass flywheel, or slave cylinder

Corroded transmission cooler lines leaking fluid onto the ground

Warning Signs of Transmission Trouble

Engine revs rise between shifts without matching acceleration (transmission slipping)

Delayed engagement when shifting from Park into Drive or Reverse

Harsh clunking, bucking, or shuddering during gear changes

Whining, humming, or grinding noises that change with vehicle speed

Red or brownish transmission fluid spots under the front or middle of the vehicle

Burnt smell from the dipstick or a flashing transmission / wrench warning light

Transmission Services Available in Scarborough

Transmission Fluid & Filter Service

Drain-and-fill or fluid exchange using OEM-spec ATF or CVT fluid

Electronic Transmission Diagnostics

Scanning TCM fault codes, line pressure testing, and road-test data logging

Valve Body & Solenoid Repair

Replacing faulty shift solenoids, conductor plates, and valve bodies without removing the transmission

Manual Clutch & Flywheel Replacement

Replacing clutch kit, release bearing, flywheel, and hydraulic master/slave cylinders

Torque Converter & Cooler Line Repair

Fixing torque converter shudder and replacing rusted steel cooler lines

Complete Transmission Rebuild or Replacement

Full teardown and rebuild with upgraded internals or remanufactured unit installation

Transmission Tips for Scarborough Drivers

Change automatic and CVT transmission fluid every 60,000 to 90,000 km, even if the manufacturer calls it "lifetime" fluid

Always use the exact OEM fluid specification (such as WS, DW-1, Mercon ULV, or CVT-specific fluid)

Come to a complete stop before shifting between Reverse and Drive

Inspect transmission cooler lines for rust during winter oil changes, as a burst cooler line can ruin a transmission in minutes

Have a transmission specialist scan fault codes first; many harsh-shift issues are caused by a $300 solenoid rather than a full rebuild

Frequently Asked Questions

How much does transmission repair or rebuild cost in Scarborough? +

In Scarborough, a transmission fluid and filter service costs $180 to $350, and solenoid or cooler line repairs run $350 to $900. A manual clutch replacement typically costs $1,200 to $2,400, while a full automatic or CVT rebuild/replacement ranges from $2,800 to $5,500+.

Is "lifetime" transmission fluid really lifetime? +

In practice, "lifetime" usually means the length of the factory powertrain warranty (around 100,000 km). Draining and refilling transmission fluid every 60,000 to 90,000 km removes clutch wear material and significantly extends transmission life.

Can a transmission problem be fixed without a full rebuild? +

Often, yes. Delayed shifting, limp mode, or flares between specific gears are frequently caused by low fluid from a leaking cooler line, a failed shift solenoid, a speed sensor, or a worn valve body that can be serviced with the transmission still in the car.

How long does a transmission rebuild take? +

A full transmission removal, teardown, rebuild, reinstallation, and road test typically takes 3 to 5 business days depending on parts availability.

Transmission Shops in Scarborough, ON

Toronto Brake

Markham Muffler

K & H Automotive Performance and Cooling

Canada Custom Mufflers & Brakes Inc (The Muffler Dr)

Estimated Transmission Pricing

Customer Reviews for Transmission in Scarborough

Top Transmission Shops in Scarborough, ON

Which Auto Mechanic Is Best for Transmission Repairs in Scarborough?

Scarborough Transmission Diagnostics vs. Rebuilds

Preventing Costly CVT & Automatic Transmission Failures

Common Causes of Transmission Problems

Warning Signs of Transmission Trouble

Transmission Services Available in Scarborough

Transmission Fluid & Filter Service

Electronic Transmission Diagnostics

Valve Body & Solenoid Repair

Manual Clutch & Flywheel Replacement

Torque Converter & Cooler Line Repair

Complete Transmission Rebuild or Replacement

Transmission Tips for Scarborough Drivers

Frequently Asked Questions

Transmission in Nearby Cities

Other Services in Scarborough

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