Engine Repair Shops in St. Catharines, ON

Find trusted engine repair services in St. Catharines. Compare prices, read reviews, and book online.

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Broz motors
Verified Verified
St. Catharines • ≈ 4 km
BR
2-201 Merritt st, St. Catharines
Response ≈ 48 min • $$$ • Quotes free
Engine Repair Vehicle InspectionTransmission
📞 3653666164 • Free quote • Verified
GoWrench Auto Niagara
St. Catharines • ≈ 2 km
GO
115 Queen St, St. Catharines, ON L2R 5H4, Canada, St. Catharines
★ 5.0
123 Google reviews
Response ≈ 38 min • $$$ • Quotes free
Engine Repair Brake ServicesTransmission
📞 (866) 567-2884 • Free quote • Verified
Ibo auto service
St. Catharines • ≈ 10 km
IB
131 Cushman Rd, St. Catharines, ON L2M 6T5, Canada, St. Catharines
★ 5.0
14 Google reviews
Response ≈ 34 min • $$$ • Quotes free
Engine Repair TransmissionVehicle Inspection
📞 (905) 351-4111 • Free quote • Verified
Santos Boys Auto and Exhaust Repair
St. Catharines • ≈ 2 km
SA
32 Lincoln Ave, St. Catharines, ON L2P 0E9, Canada, St. Catharines
★ 5.0
45 Google reviews
Response ≈ 41 min • $$ • Quotes free
Engine Repair Exhaust SystemAuto Mechanic
📞 (905) 341-0360 • Free quote • Verified
Central Service Auto Repair
St. Catharines • ≈ 6 km
CE
63 Welland Ave, St. Catharines, ON L2R 2M8, Canada, St. Catharines
★ 4.9
210 Google reviews
Response ≈ 27 min • $$ • Quotes free
Engine Repair Auto MechanicBrake Services
📞 (905) 685-1622 • Free quote • Verified
Lakeport Auto
St. Catharines • ≈ 10 km
LA
81 Lakeport Rd, St. Catharines, ON L2N 4P9, Canada, St. Catharines
★ 4.9
137 Google reviews
Response ≈ 24 min • $ • Quotes free
Engine Repair Auto ElectricalAuto AC & Heating
📞 (905) 934-2923 • Free quote • Verified
McGeorge's Auto Electric
St. Catharines • ≈ 8 km
MC
88 Geneva St, St. Catharines, ON L2R 4M8, Canada, St. Catharines
★ 4.9
35 Google reviews
Response ≈ 49 min • $$$ • Quotes free
Engine Repair Auto ElectricalAuto Mechanic
📞 (905) 685-9179 • Free quote • Verified
Minit Auto Service
St. Catharines • ≈ 7 km
MI
1393 Fourth Ave, St. Catharines, ON L2S 0B7, Canada, St. Catharines
★ 4.9
604 Google reviews
Response ≈ 45 min • $ • Quotes free
Engine Repair Brake ServicesSuspension & Steering
📞 (905) 684-4740 • Free quote • Verified
Scott's Automotive
St. Catharines • ≈ 5 km
SC
260 Oakdale Ave, St. Catharines, ON L2P 2K4, Canada, St. Catharines
★ 4.9
483 Google reviews
Response ≈ 50 min • $ • Quotes free
Engine Repair Auto MechanicBrake Services
📞 (905) 341-6996 • Free quote • Verified
Boyd Automotive & Tire
St. Catharines • ≈ 3 km
BO
80 Commerce Pl, St. Catharines, ON L2S 0B3, Canada, St. Catharines
★ 4.8
677 Google reviews
Response ≈ 52 min • $$$ • Quotes free
Engine Repair Auto MechanicBrake Services
📞 (905) 685-5821 • Free quote • Verified
Lincoln Valley Automotive
St. Catharines • ≈ 9 km
LI
52 Scott St W, St. Catharines, ON L2R 1C9, Canada, St. Catharines
★ 4.8
79 Google reviews
Response ≈ 30 min • $ • Quotes free
Engine Repair Auto MechanicBrake Services
📞 (905) 687-4044 • Free quote • Verified
Master Mechanic St. Catharine's
St. Catharines • ≈ 4 km
MA
252 St Paul St W, St. Catharines, ON L2S 2E7, Canada, St. Catharines
★ 4.8
172 Google reviews
Response ≈ 15 min • $$$ • Quotes free
Engine Repair Auto MechanicBrake Services
📞 (289) 362-3003 • Free quote • Verified
St. Amand Auto & Truck Repair Inc.
St. Catharines • ≈ 3 km
ST
132 Bunting Rd, St. Catharines, ON L2P 3G5, Canada, St. Catharines
★ 4.8
74 Google reviews
Response ≈ 33 min • $$$ • Quotes free
Engine Repair Truck MechanicDiesel Truck Mechanic
📞 (905) 682-4656 • Free quote • Verified
Viva Auto | Service
St. Catharines • ≈ 6 km
VI
302 Oakdale Ave, St. Catharines, ON L2P 2T5, Canada, St. Catharines
★ 4.8
987 Google reviews
Response ≈ 34 min • $$$ • Quotes free
Engine Repair Auto MechanicTransmission
📞 (289) 696-5152 • Free quote • Verified
AutoSmart Niagara
St. Catharines • ≈ 5 km
AU
5 Henrietta St, St. Catharines, ON L2S 2M5, Canada, St. Catharines
★ 4.7
44 Google reviews
Response ≈ 35 min • $ • Quotes free
Engine Repair Auto ElectricalAuto AC & Heating
📞 (905) 684-6360 • Free quote • Verified
Total Auto Repair
St. Catharines • ≈ 2 km
TO
135 Cushman Rd Unit B, St. Catharines, ON L2M 6T2, Canada, St. Catharines
★ 4.7
81 Google reviews
Response ≈ 55 min • $$$ • Quotes free
Engine Repair Auto MechanicSuspension & Steering
📞 (905) 682-3928 • Free quote • Verified
Ace Alignment
St. Catharines • ≈ 9 km
AC
64 North St, St. Catharines, ON L2R 2S6, Canada, St. Catharines
★ 4.6
160 Google reviews
Response ≈ 20 min • $ • Quotes free
Engine Repair Suspension & SteeringAuto Mechanic
📞 (905) 685-5311 • Free quote • Verified
Don's Spring Repair & Service
St. Catharines • ≈ 10 km
DO
242 Dunkirk Rd, St. Catharines, ON L2P 3X7, Canada, St. Catharines
★ 4.6
28 Google reviews
Response ≈ 55 min • $ • Quotes free
Engine Repair Suspension & SteeringAuto Mechanic
📞 (905) 687-3581 • Free quote • Verified
Midas
St. Catharines • ≈ 5 km
MI
387 1/2 Ontario St, St. Catharines, ON L2R 5L3, Canada, St. Catharines
★ 4.6
626 Google reviews
Response ≈ 24 min • $$ • Quotes free
Engine Repair Brake ServicesExhaust System
📞 (289) 273-1222 • Free quote • Verified
Muffler Works
St. Catharines • ≈ 7 km
MU
54 Grantham Ave S, St. Catharines, ON L0S 1A0, Canada, St. Catharines
★ 4.6
188 Google reviews
Response ≈ 21 min • $$$ • Quotes free
Engine Repair Exhaust SystemAuto Mechanic
📞 (905) 658-8827 • Free quote • Verified
Baker's Auto and Jeep, 4wd, lift kits.
St. Catharines • ≈ 2 km
BA
128 Grantham Ave S Unit 3, St. Catharines, ON L2P 3H2, Canada, St. Catharines
★ 4.3
73 Google reviews
Response ≈ 20 min • $$$ • Quotes free
Engine Repair Suspension & SteeringAuto Mechanic
📞 (905) 688-3897 • Free quote • Verified
More Than Tires
St. Catharines • ≈ 2 km
MO
335 Lake St, St. Catharines, ON L2N 7R4, Canada, St. Catharines
★ 4.3
110 Google reviews
Response ≈ 34 min • $$ • Quotes free
Engine Repair Tires & WheelsSuspension & Steering
📞 (905) 934-6624 • Free quote • Verified
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St. Catharines customer reviews

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Verified Reviews for Engine Repair
★ ★ ★ ★ ★

“Great service!”

Sharon Howe • Engine Repair at Total Auto Repair, St. Catharines
★ ★ ★ ★ ★

“Joel communicated clearly what needed to be done. He is fast, detail oriented, and fair priced. I couldn’t be more happy with the work he did. What more could you ask for?”

Bryden Ouwendyk • Engine Repair at Santos Boys Auto and Exhaust Repair, St. Catharines
★ ★ ★ ★ ★

“Excellent service, fair price, great staff!!”

Nadeen Mac • Engine Repair at St. Amand Auto & Truck Repair Inc., St. Catharines
★ ★ ★ ★ ★

“Great Experience!
Fixed my problem right away.
Will definitely recommend. 👍🏾”

leiro2000 • Engine Repair at McGeorge's Auto Electric, St. Catharines
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Find a Best Engine Repair in St. Catharines, ON

Boommar lists 23 verified mechanics in St. Catharines. Compare real reviews, response times, pricing bands, and open bays — then book online.

Common Causes of Auto Engine Problems

Neglected oil changes causing internal sludge buildup and bearing wear
Overheating due to coolant leaks, failed thermostats, or water pump failure
Worn or fouled spark plugs causing misfires and poor combustion
Timing belt or chain failure leading to catastrophic valve damage
Carbon buildup on intake valves reducing airflow and performance
Failing head gaskets allowing coolant and oil to mix internally

Critical Signs Your Auto Engine Needs Repair

Check Engine light is on or flashing on the dashboard
Engine is knocking, pinging, or making metallic rattling sounds
Significant loss of power during acceleration or climbing hills
Excessive white, blue, or black smoke from the exhaust tailpipe
Visible oil or coolant leaks pooling under the vehicle
Engine is overheating or the temperature gauge reads in the red zone

Engine Repair Services Available

Engine Diagnostics

OBD-II scanning and advanced live data analysis

Engine Tune-Up

Spark plugs, ignition coils, filters, and sensor replacements

Head Gasket Replacement

Resealing the engine block to cylinder head joint

Timing Belt/Chain Service

Preventive replacement before catastrophic failure

Engine Rebuild

Complete disassembly, machining, and reassembly with new internals

Engine Replacement

Installing a remanufactured or used replacement engine

Engine Repair Tips

Never ignore a flashing Check Engine light—it indicates active damage to the catalytic converter or engine internals
Follow the manufacturer's timing belt replacement interval exactly (usually 100,000 to 160,000 km)
Use the correct grade of engine oil specified in your owner's manual
Monitor your temperature gauge regularly, especially in heavy summer traffic
Address small oil leaks before they become major engine failures
Get a compression test done if your engine has over 200,000 km to assess internal wear

Frequently Asked Questions

How much does engine repair cost in St. Catharines? +
Minor repairs like spark plugs or sensors cost $150-$500. Head gasket replacement runs $1,500-$3,000. A complete engine rebuild costs $3,000-$6,000+, while a replacement engine with installation ranges from $4,000-$8,000+.
Is it worth rebuilding an engine vs. replacing it? +
If the block and heads are in good condition, a rebuild is often more cost-effective and can result in a like-new engine. If there's severe damage (cracked block, spun bearings), a remanufactured replacement may be more practical.
How long does an engine rebuild take? +
A complete engine rebuild typically takes 2 to 4 weeks, depending on parts availability, machining requirements, and the shop's workload.
What causes a head gasket to fail? +
The most common cause is engine overheating. When the engine exceeds its designed temperature, the head gasket material warps and fails, allowing coolant and oil to mix or leak externally.