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BOOMMAR / ON / Ajax / Engine Repair

Engine Repair Shops in Ajax, ON

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

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Repair It Automotive
Ajax • ≈ 9 km
RE
Repair It Automotive
221 Westney Rd S, Ajax, ON L1S 2C9, Canada, Ajax
★ 5.0
11 Google reviews
Response ≈ 32 min • $$ • Quotes free
Engine Repair
📞 (905) 428-2323 • Free quote • Verified
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Master Mechanic Ajax
Ajax • ≈ 2 km
MA
Master Mechanic Ajax
264 Fairall St, Ajax, ON L1S 1R8, Canada, Ajax
★ 4.8
601 Google reviews
Response ≈ 16 min • $$ • Quotes free
Engine Repair Auto MechanicBrake Services
📞 (905) 426-3076 • Free quote • Verified
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Precision Motorsport
Ajax • ≈ 6 km
PR
Precision Motorsport
711 Finley Ave Unit 3, Ajax, ON L1S 3T1, Canada, Ajax
★ 4.7
259 Google reviews
Response ≈ 39 min • $$ • Quotes free
Engine Repair Suspension & SteeringVehicle Inspection
📞 (416) 471-4805 • Free quote • Verified
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Ajax Automotive Services
Ajax • ≈ 10 km
AJ
Ajax Automotive Services
220 Bayly St E, Ajax, ON L1S 7S9, Canada, Ajax
★ 4.6
247 Google reviews
Response ≈ 35 min • $$$ • Quotes free
Engine Repair Auto MechanicBrake Services
📞 (905) 683-0650 • Free quote • Verified
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Ajax customer reviews

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Verified Reviews for Engine Repair
★ ★ ★ ★ ★

“If you want to remove negative reviews from your Google Business, contact me via my profile; my contact details are listed there. After work you can pay..”

Riley Jones • Engine Repair at Master Mechanic Ajax, Ajax
★ ★ ★ ★ ★

“If you want to remove negative reviews from your Google Business, contact me via my profile; my contact details are listed there. After work you can pay..”

Ellie Martin • Engine Repair at Master Mechanic Ajax, Ajax
★ ★ ★ ★ ★

“Highly highly recommended, It's so easy to find a smart mechanic, but it's hard to find an HONEST smart mechanic , I was lucky ,I just walked into to this shop ,I received an amazing service, Top quality work ,Good prices and fast (front&rear brakes,rear caliber, sway par linkage and replace tires ) all in 3 Hrs.”

George • Engine Repair at Repair It Automotive, Ajax
★ ★ ★ ★ ★

“Friendly, honest, efficient, and reliable. Thank you!”

Maria Aletto • Engine Repair at Ajax Automotive Services, Ajax
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Ajax Pro – last 30 days
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Find a Best Engine Repair in Ajax, ON

Boommar lists 5 verified mechanics in Ajax. 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 Ajax? +
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.

Engine Repair in Nearby Cities

Toronto Ottawa Mississauga Brampton Hamilton London Markham Vaughan

Other Services in Ajax

Auto Mechanic Diesel Truck Mechanic Truck Mechanic Oil Change & Lube Brake Services Tires & Wheels Auto Detailing Auto Body & Paint

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