Engine Repair Shops in Sarnia, ON

Find trusted engine repair services in Sarnia. Compare prices, read verified reviews, and request free quotes.

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Tony's Diesel & Electric - Engine Repair in Sarnia
Sarnia, ON
TO

Tony's Diesel & Electric

5926 Brigden Rd, Sarnia, ON N7T 7H2, Canada
★ 5.0
12 reviews
18 auto services • Free quotes available
Engine Repair Auto AC & HeatingAuto Cooling SystemAuto Electrical
📞 (519) 542-7095 • Sarnia
Best Automotive - Engine Repair in Sarnia
Sarnia, ON
BE

Best Automotive

100 Russell St S, Sarnia, ON N7T 1C5, Canada
★ 4.9
89 reviews
18 auto services • Free quotes available
Engine Repair Auto AC & HeatingAuto Cooling SystemAuto Electrical
📞 (519) 344-4588 • Sarnia
Brothers Auto care - Engine Repair in Sarnia
Sarnia, ON
BR

Brothers Auto care

1444 Plank Rd, Sarnia, ON N7W 1A7, Canada
★ 4.9
84 reviews
18 auto services • Free quotes available
Engine Repair Auto AC & HeatingAuto Cooling SystemAuto Electrical
📞 (548) 888-8491 • Sarnia
One Stop Automotive - Engine Repair in Sarnia
Sarnia, ON
ON

One Stop Automotive

802 Ontario St, Sarnia, ON N7T 1M7, Canada
★ 4.9
32 reviews
1 auto services • Free quotes available
Engine Repair
📞 (519) 336-2903 • Sarnia
Mr. Lube + Tires - Engine Repair in Sarnia
Sarnia, ON
MR

Mr. Lube + Tires

1151 London Rd, Sarnia, ON N7S 1P3, Canada
★ 4.8
734 reviews
17 auto services • Free quotes available
Engine Repair Auto AC & HeatingAuto Cooling SystemAuto Lights & Signals
📞 (519) 383-0606 • Sarnia
Speedy Auto Service Sarnia - Engine Repair in Sarnia
Sarnia, ON
SP

Speedy Auto Service Sarnia

888 Confederation St, Sarnia, ON N7T 2E5, Canada
★ 4.8
160 reviews
17 auto services • Free quotes available
Engine Repair Auto AC & HeatingAuto Cooling SystemAuto Lights & Signals
📞 (519) 491-6408 • Sarnia
Mini_auto - Engine Repair in Sarnia
Sarnia, ON
MI

Mini_auto

111 Campbell St, Sarnia, ON N7T 2G5, Canada
★ 4.8
6 reviews
18 auto services • Free quotes available
Engine Repair Auto AC & HeatingAuto Cooling SystemAuto Electrical
📞 (519) 466-6445 • Sarnia
LaSalle Auto Centre - Engine Repair in Sarnia
Sarnia, ON
LA

LaSalle Auto Centre

214 LaSalle Line, Sarnia, ON N7T 7Y5, Canada
★ 4.7
464 reviews
17 auto services • Free quotes available
Engine Repair Auto AC & HeatingAuto Cooling SystemAuto Lights & Signals
📞 (519) 337-7533 • Sarnia
The Mufflerman - Engine Repair in Sarnia
Sarnia, ON
TH

The Mufflerman

759 Exmouth St, Sarnia, ON N7T 5P7, Canada
★ 4.7
392 reviews
19 auto services • Free quotes available
Engine Repair Auto AC & HeatingAuto Cooling SystemAuto Lights & Signals
📞 (519) 336-3295 • Sarnia
Econo Automotive Repair Inc - Engine Repair in Sarnia
Sarnia, ON
EC

Econo Automotive Repair Inc

795 Campbell St, Sarnia, ON N7T 7T3, Canada
★ 4.7
108 reviews
19 auto services • Free quotes available
Engine Repair Auto AC & HeatingAuto Cooling SystemAuto Electrical
📞 (519) 336-0950 • Sarnia
Princess Auto - Engine Repair in Sarnia
Sarnia, ON
PR

Princess Auto

1370 Quinn Dr, Sarnia, ON N7S 6M8, Canada
★ 4.4
190 reviews
19 auto services • Free quotes available
Engine Repair Auto AC & HeatingAuto Accessories & UpgradesAuto Cooling System
📞 (519) 542-1661 • Sarnia
H&I Service Centre Ltd. - Engine Repair in Sarnia
Sarnia, ON
H&

H&I Service Centre Ltd.

314 Ontario St, Sarnia, ON N7T 1L9, Canada
★ 4.4
129 reviews
16 auto services • Free quotes available
Engine Repair Auto AC & HeatingAuto Cooling SystemAuto Lights & Signals
📞 (519) 344-4845 • Sarnia
Abram - Engine Repair in Sarnia
Sarnia, ON
AB

Abram

1606 London Line, Sarnia, ON N7W 1A8, Canada
★ 4.1
50 reviews
16 auto services • Free quotes available
Engine Repair Auto AC & HeatingAuto Cooling SystemAuto Lights & Signals
📞 (519) 542-3475 • Sarnia
After Hours Automotive - Engine Repair in Sarnia
Sarnia, ON
AF

After Hours Automotive

169 Ontario St, Sarnia, ON N7T 1L2, Canada
★ 4.0
80 reviews
16 auto services • Free quotes available
Engine Repair Auto AC & HeatingAuto Cooling SystemAuto Lights & Signals
📞 (519) 331-4215 • Sarnia
Sarnia, ON Cost Guide

Estimated Engine Repair Pricing

Check Engine Diagnostic $100 - $150
Spark Plugs & Ignition Tune-Up $220 - $480
Valve Cover Gasket Leak $280 - $550
Timing Belt & Water Pump $850 - $1,450

*Typical Sarnia independent shop ranges (CAD before tax). Exact price depends on vehicle year, make, and model.

Everyday Signs to Watch For
  • • Solid or flashing Check Engine light on the dashboard
  • • Rhythmic knocking, metallic tapping, or rattling on cold startup
  • • Rough shaking at idle, hesitation, or loss of power climbing hills
Driver Tip: Call 2 to 3 listed Sarnia shops on this page directly with your vehicle year, make, and model to compare exact quotes.
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Sarnia customer feedback

Customer Reviews for Engine Repair in Sarnia

Verified Reviews for Engine Repair
★ ★ ★ ★ ★

“We had a great experience with Sam and Todd! It was a quick response to a faulty water heater, which we are extremely thankful for. Very polite and knowledgeable.”

Terrie Dewsbury • Engine Repair at Abram, Sarnia
★ ★ ★ ★ ★

“Had my furnace die within two weeks of moving, their emergency service was super quick. They didn’t try to upsell me on the biggest, best and most expensive unit, but they gave me options to choose from. Very thankful for that.

Technician explained deficiencies in my older home and showed me how to improve the air flow. I was skeptical at first but my top floor bedroom finally gets heat and AC now rather than just having to deal with it in the winter and summer extremes.

Abrams really does care about their customer’s comfort. Very knowledgeable and I’d recommend them any day!”

Nathan Angle • Engine Repair at Abram, Sarnia
★ ★ ★ ★ ★

“Well stocked. Knowledgeable staff”

Skip & Sylvia Williams • Engine Repair at Princess Auto, Sarnia
★ ★ ★ ★ ★

“Super quick service Mark is always willing to help . Awesome service. Never disappointed”

Nefi Guerra • Engine Repair at Tony's Diesel & Electric, Sarnia

Top Engine Repair Shops in Sarnia, ON

Boommar lists 14 verified engine repair shops in Sarnia, Ontario, with an average rating of 4.7 / 5.0 across 2,530 customer reviews. Compare Verified partner shops and top-rated local garages below:

Shop Name Rating / Status
Tony's Diesel & Electric ★ 5.0 (12)
Best Automotive ★ 4.9 (89)
Brothers Auto care ★ 4.9 (84)
One Stop Automotive ★ 4.9 (32)
Mr. Lube + Tires ★ 4.8 (734)

Engine Repair & Diagnostics Shops in Sarnia, ON

Whether your vehicle has a check-engine misfire, a coolant leak, a noisy timing chain, or major internal wear, accurate diagnosis saves thousands in unnecessary parts. Compare experienced engine repair specialists in Sarnia, ON for diagnostics, tune-ups, head gaskets, and rebuilds.

Browse 14 verified engine repair shops in Sarnia, ON above to compare ratings, check offered services, and request a direct quote.

Common Causes of Engine Problems

Extended or skipped oil changes causing sludge, stretched timing chains, and spun bearings
Engine overheating from a failed water pump, stuck thermostat, or radiator leak
Worn spark plugs or failing ignition coils causing cylinder misfires
Snapped timing belt or worn timing chain tensioners bending valves
Carbon buildup on intake valves in direct-injection (GDI) engines
Blown head gasket allowing coolant into cylinders or crankcase oil

Critical Warning Signs of Engine Trouble

Solid or flashing Check Engine light on the dashboard
Rhythmic knocking, metallic tapping, or rattling on cold startup
Rough shaking at idle, hesitation, or loss of power climbing hills
Blue smoke (burning oil), thick white sweet smoke (coolant), or black smoke from the tailpipe
Milky, frothy residue under the oil filler cap or coolant disappearing without external leaks
Engine temperature gauge climbing toward the red zone

Engine Repair Services Available in Sarnia

Advanced Engine Diagnostics

Compression testing, cylinder leak-down tests, scope analysis, and OBD-II scanning

Ignition & Tune-Up Service

Spark plugs, ignition coils, intake manifold gaskets, and fuel injector service

Timing Belt & Timing Chain Replacement

Replacing timing belts, chains, guides, tensioners, and water pumps

Head Gasket & Cylinder Head Repair

Cylinder head machining, valve job, and multi-layer steel head gasket installation

Oil Leak Repair

Valve cover gaskets, oil pan resealing, rear main seals, and oil filter housing replacement

Engine Replacement & Rebuilds

Installing remanufactured or low-mileage tested engines with warranty

Engine Repair Tips for Sarnia Drivers

Change engine oil on time; clean oil is the cheapest insurance against timing chain and bearing failure
Replace your timing belt at the exact mileage or age interval in your manual (usually 100,000 to 160,000 km)
Shut the engine off immediately if it overheats or the red low-oil-pressure light comes on
Fix valve cover and oil filter housing leaks early before dripping oil ruins alternator windings or rubber coolant hoses
Ask for a compression and leak-down test report before deciding between repairing an engine or replacing it

Frequently Asked Questions

How much does engine repair cost in Sarnia? +
In Sarnia, ignition tune-ups, sensors, or valve cover gaskets typically cost $200 to $650. Timing belt or chain jobs range from $800 to $2,200, head gasket replacements run $1,800 to $3,500, and full engine replacements range from $4,000 to $8,500+.
What happens if a timing belt breaks while driving? +
Most modern engines are interference engines, meaning the pistons and open valves share the same space at different times. If the timing belt snaps, the pistons strike the valves immediately, causing severe internal engine damage.
Is it better to rebuild an engine or install a replacement engine? +
For minor top-end issues like a blown head gasket or worn timing components, repairing your current engine is usually best. If the lower block has spun a rod bearing or cracked, installing a remanufactured or tested low-kilometer engine is often faster and more economical.
Why does my engine rattle for two seconds on cold startup? +
A brief metallic rattle on cold startup is commonly caused by a worn hydraulic timing chain tensioner or variable valve timing (VVT) phaser waiting for oil pressure to build. Have a mechanic inspect it before the chain jumps timing.