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Engine Repair Shops in Newmarket, ON

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

AE Auto Plus

AE Auto Plus

1225 Twinney Dr Unit # 1, Newmarket, ON L3Y 9E7, Canada

(905) 898-4430

All Things Automotive

All Things Automotive

17075 Leslie St, Newmarket, ON L3Y 8Y8, Canada

(905) 853-6161

Autohouse Newmarket Service Centre

Autohouse Newmarket Service Centre

200 Mulock Dr unit 6&7, Newmarket, ON L3Y 9B6, Canada

(905) 836-6777

HTS Auto Service

HTS Auto Service

1200 Twinney Dr Unit 10, Newmarket, ON L3Y 9E4, Canada

(647) 447-7960

Master Mechanic Newmarket

Master Mechanic Newmarket

225 Pony Dr, Newmarket, ON L3Y 7B5, Canada

(905) 830-0789

Reline North Automotive

Reline North Automotive

69 Davis Dr #1, Newmarket, ON L3Y 2M9, Canada

(905) 830-1057

Engine Repair & Diagnostics Shops in Newmarket, ON

Auto engine problems can range from minor tune-ups to major overhauls. Find experienced engine repair specialists in Newmarket equipped with advanced diagnostics to accurately pinpoint and resolve everything from misfires to complete engine failure.

Common Causes of Auto Engine Problems

Critical Signs Your Auto Engine Needs Repair

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

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+.

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.

A complete engine rebuild typically takes 2 to 4 weeks, depending on parts availability, machining requirements, and the shop's workload.

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.

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