Engine Repair Shops in Thetford Mines, QC

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

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Garage Karl Gauthier
Thetford Mines • ≈ 2 km
GA
1124 Rue Gosselin, Thetford Mines, QC G6G 7S9, Canada, Thetford Mines
★ 5.0
3 Google reviews
Response ≈ 26 min • $$$ • Quotes free
Engine Repair Auto ElectricalSuspension & Steering
📞 (418) 341-0660 • Free quote • Verified
Lab-Auto
Thetford Mines • ≈ 6 km
LA
1954 Rue Notre Dame E, Thetford Mines, QC G6G 2W2, Canada, Thetford Mines
★ 5.0
7 Google reviews
Response ≈ 36 min • $$ • Quotes free
Engine Repair Auto DetailingAuto Body & Paint
📞 (581) 399-4689 • Free quote • Verified
Mécanique E.G. inc
Thetford Mines • ≈ 10 km
MÃ
Rue Daigle, Thetford Mines, QC G6G 7W6, Canada, Thetford Mines
★ 5.0
2 Google reviews
Response ≈ 29 min • $$ • Quotes free
Engine Repair Brake ServicesTransmission
📞 (418) 946-1332 • Free quote • Verified
Nols Autosport
Thetford Mines • ≈ 5 km
NO
4257 Bd Frontenac O, Thetford Mines, QC G6H 2A3, Canada, Thetford Mines
★ 5.0
3 Google reviews
Response ≈ 40 min • $ • Quotes free
Engine Repair Suspension & SteeringAuto Mechanic
📞 (418) 333-4424 • Free quote • Verified
Garage Daniel Bourque
Thetford Mines • ≈ 4 km
GA
473 Rue Cyr N, Thetford Mines, QC G6G 4E6, Canada, Thetford Mines
★ 4.9
20 Google reviews
Response ≈ 50 min • $$$ • Quotes free
Engine Repair TransmissionAuto Electrical
📞 (418) 335-7227 • Free quote • Verified
Garage Jacques Blais
Thetford Mines • ≈ 6 km
GA
880 Rue Saint-Alphonse N, Thetford Mines, QC G6G 3X5, Canada, Thetford Mines
★ 4.9
30 Google reviews
Response ≈ 17 min • $$ • Quotes free
Engine Repair Tires & WheelsTransmission
📞 (418) 338-1616 • Free quote • Verified
VitrXpert vitres d'autos
Thetford Mines • ≈ 6 km
VI
1550 Bd Frontenac E #2, Thetford Mines, QC G6G 6Z2, Canada, Thetford Mines
★ 4.9
497 Google reviews
Response ≈ 40 min • $ • Quotes free
Engine Repair Windshield & GlassAuto Cooling System
📞 (418) 338-6961 • Free quote • Verified
Atelier Mécanique
Thetford Mines • ≈ 2 km
AT
121 Rue Pie XI, Thetford Mines, QC G6G 2P3, Canada, Thetford Mines
★ 4.8
28 Google reviews
Response ≈ 56 min • $$$ • Quotes free
Engine Repair Oil Change & LubeBrake Services
📞 (418) 335-3636 • Free quote • Verified
Garage Beaudoin Stephane
Thetford Mines • ≈ 5 km
GA
766 Bd Frontenac O, Thetford Mines, QC G6G 6K3, Canada, Thetford Mines
★ 4.8
85 Google reviews
Response ≈ 56 min • $$$ • Quotes free
Engine Repair Oil Change & LubeBrake Services
📞 (418) 338-6292 • Free quote • Verified
GARAGE GRENIER PIÈCES ET SERVICE
Thetford Mines • ≈ 2 km
GA
3520 Bd Frontenac O, Thetford Mines, QC G6H 2B8, Canada, Thetford Mines
★ 4.8
105 Google reviews
Response ≈ 40 min • $ • Quotes free
Engine Repair Oil Change & LubeBrake Services
📞 (418) 423-2505 • Free quote • Verified
Routhier Alignement
Thetford Mines • ≈ 2 km
RO
4690 Rue de l'Église, Thetford Mines, QC G6H 3G2, Canada, Thetford Mines
★ 4.8
32 Google reviews
Response ≈ 24 min • $$$ • Quotes free
Engine Repair Oil Change & LubeBrake Services
📞 (418) 338-4904 • Free quote • Verified
Ford Thetford
Thetford Mines • ≈ 5 km
FO
2335 Rue Notre Dame E, Thetford Mines, QC G6G 2W2, Canada, Thetford Mines
★ 4.7
293 Google reviews
Response ≈ 29 min • $$ • Quotes free
Engine Repair Auto AC & HeatingFord Repair
📞 (418) 335-9131 • Free quote • Verified
Garage Daniel Poulin
Thetford Mines • ≈ 7 km
GA
190 Rue Jalbert O, Thetford Mines, QC G6G 7Y7, Canada, Thetford Mines
★ 4.7
66 Google reviews
Response ≈ 26 min • $ • Quotes free
Engine Repair Oil Change & LubeTransmission
📞 (418) 338-6088 • Free quote • Verified
Parts City Pièces d'Auto à Thetford Mines
Thetford Mines • ≈ 7 km
PA
917 Bd Frontenac O, Thetford Mines, QC G6G 6K5, Canada, Thetford Mines
★ 4.6
32 Google reviews
Response ≈ 45 min • $ • Quotes free
Engine Repair Brake ServicesExhaust System
📞 (418) 755-1201 • Free quote • Verified
Atelier Mécatech
Thetford Mines • ≈ 9 km
AT
1369 Bd Frontenac O, Thetford Mines, QC G6H 2C6, Canada, Thetford Mines
★ 4.4
18 Google reviews
Response ≈ 28 min • $ • Quotes free
Engine Repair Brake ServicesTires & Wheels
📞 (418) 755-0548 • Free quote • Verified
Desharnais Pneus et Mécanique
Thetford Mines • ≈ 6 km
DE
730 Bd Frontenac O, Thetford Mines, QC G6G 6K3, Canada, Thetford Mines
★ 4.4
121 Google reviews
Response ≈ 44 min • $$ • Quotes free
Engine Repair Oil Change & LubeBrake Services
📞 (418) 338-2191 • Free quote • Verified
NAPA Pièces d'auto
Thetford Mines • ≈ 4 km
NA
414 Bd Frontenac O, Thetford Mines, QC G6G 6N7, Canada, Thetford Mines
★ 4.4
44 Google reviews
Response ≈ 36 min • $ • Quotes free
Engine Repair Auto Cooling SystemFuel System
📞 (418) 338-4661 • Free quote • Verified
Garage Néron & Frères Inc
Thetford Mines • ≈ 2 km
GA
1266 Rue Notre Dame E, Thetford Mines, QC G6G 2V5, Canada, Thetford Mines
★ 4.3
46 Google reviews
Response ≈ 43 min • $$$ • Quotes free
Engine Repair Oil Change & LubeTransmission
📞 (418) 335-3360 • Free quote • Verified
Pneus freins 112
Thetford Mines • ≈ 3 km
PN
1699 Bd Frontenac E, Thetford Mines, QC G6G 6P6, Canada, Thetford Mines
★ 4.2
53 Google reviews
Response ≈ 50 min • $$$ • Quotes free
Engine Repair Oil Change & LubeBrake Services
📞 (418) 338-8844 • Free quote • Verified
Drouin Auto Electrique Et Fils Inc
Thetford Mines • ≈ 2 km
DR
4753 Bd Frontenac E, Thetford Mines, QC G6H 4G6, Canada, Thetford Mines
★ 4.1
34 Google reviews
Response ≈ 52 min • $$$ • Quotes free
Engine Repair Brake ServicesAuto Electrical
📞 (418) 335-9641 • Free quote • Verified
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Find a Best Engine Repair in Thetford Mines, QC

Boommar lists 21 verified mechanics in Thetford Mines. 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 Thetford Mines? +
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.