Engine Repair Shops in Saint John, NB

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

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Alpha Engines
Saint John • ≈ 5 km
AL
4180 Loch Lomond Rd bld 40, Saint John, NB E2N 0G4, Saint John
★ 5.0
8 Google reviews
Response ≈ 49 min $$ • Quotes free
Engine Repair Auto MechanicAuto Mechanic
📞 (506) 634-8628 Free quote • Verified
Midas Saint John
Saint John • ≈ 7 km
MI
469 Rothesay Ave, Saint John, NB E2J 2C3, Canada, Saint John
★ 4.9
91 Google reviews
Response ≈ 52 min $ • Quotes free
Engine Repair Oil Change & LubeBrake Services
📞 (506) 214-9274 Free quote • Verified
Car-Rizma Motorsports
Saint John • ≈ 8 km
CA
31 Tim St, Saint John, NB E2H 1X8, Saint John
★ 4.8
136 Google reviews
Response ≈ 51 min $$ • Quotes free
Engine Repair Auto MechanicAuto Mechanic
📞 (506) 657-7860 Free quote • Verified
Fairweather Tire & Automotive
Saint John • ≈ 6 km
FA
314 Rothesay Ave, Saint John, NB E2L 3Y2, Saint John
★ 4.8
87 Google reviews
Response ≈ 54 min $$$ • Quotes free
Engine Repair Auto MechanicTires & Wheels
📞 (506) 634-1050 Free quote • Verified
Lancaster Automotive Repair
Saint John • ≈ 9 km
LA
180 Simms Ct, Saint John, NB E2M 5K5, Saint John
★ 4.8
63 Google reviews
Response ≈ 60 min $$ • Quotes free
Engine Repair Auto MechanicAuto Mechanic
📞 (506) 635-8792 Free quote • Verified
MSA Autorepair
Saint John • ≈ 7 km
MS
516 Rothesay Ave, Saint John, NB E2J 2C7, Saint John
★ 4.8
152 Google reviews
Response ≈ 31 min $ • Quotes free
Engine Repair Auto MechanicAuto Mechanic
📞 (506) 645-0961 Free quote • Verified
Better Steering and Automotive Inc
Saint John • ≈ 5 km
BE
6 McLaughlin Crescent, Saint John, NB E2J 2J8, Saint John
★ 4.7
269 Google reviews
Response ≈ 41 min $ • Quotes free
Engine Repair Auto MechanicSuspension & Steering
📞 (506) 634-7833 Free quote • Verified
napa autopro
Saint John • ≈ 10 km
NA
1704 Rothesay Rd, Saint John, NB E2H 2J4, Saint John
★ 4.5
45 Google reviews
Response ≈ 32 min $$ • Quotes free
Engine Repair Auto MechanicAuto Mechanic
📞 (506) 847-8271 Free quote • Verified
Autotec Inc.
Saint John • ≈ 3 km
AU
90 Duke St, Saint John, NB E2L 1N3, Saint John
★ 4.4
84 Google reviews
Response ≈ 17 min $$ • Quotes free
Engine Repair Auto MechanicAuto Mechanic
📞 (506) 653-9020 Free quote • Verified
Princess Auto
Saint John • ≈ 8 km
PR
35 Depot Ct, Saint John, NB E2J 0C2, Canada, Saint John
★ 4.4
275 Google reviews
Response ≈ 41 min $ • Quotes free
Engine Repair Brake ServicesTransmission
📞 (506) 638-6200 Free quote • Verified
Shane's Auto Repair
Saint John • ≈ 5 km
SH
75 Golden Grove Rd, Saint John, NB E2H 1W6, Canada, Saint John
★ 4.4
51 Google reviews
Response ≈ 24 min $$$ • Quotes free
Engine Repair Brake ServicesAuto Electrical
📞 (506) 674-2952 Free quote • Verified
Alpine Motors Inc
Saint John • ≈ 3 km
AL
450 Ashburn Rd, Saint John, NB E2K 5K7, Saint John
★ 4.3
67 Google reviews
Response ≈ 60 min $ • Quotes free
Engine Repair Auto MechanicAuto Mechanic
📞 (506) 633-8490 Free quote • Verified
Future Auto Garage
Saint John • ≈ 5 km
FU
529 Rothesay Ave, Saint John, NB E2J 2C6, Saint John
★ 4.1
35 Google reviews
Response ≈ 52 min $$$ • Quotes free
Engine Repair Auto MechanicAuto Mechanic
📞 (506) 288-0999 Free quote • Verified
Hank the Mechanic
Saint John • ≈ 8 km
HA
637 Rothesay Ave, Saint John, NB E2H 2G9, Saint John
★ 3.7
23 Google reviews
Response ≈ 54 min $ • Quotes free
Engine Repair Auto MechanicAuto Mechanic
📞 (506) 648-1899 Free quote • Verified
Brick City Motorsports
Saint John • ≈ 5 km
BR
407 Rothesay Ave, Saint John, NB E2J 2C3, Saint John
★ 2.0
1 Google reviews
Response ≈ 35 min $$ • Quotes free
Engine Repair
📞 (555) 000-0000 Free quote • Verified
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Saint John customer reviews

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Verified Reviews for Engine Repair
★ ★ ★ ★ ★

“Everyone at Renforth Auto is fantastic. They are friendly and efficient. Most importantly they do not rip you off with pricing. I cannot recommend them enough.”

Julie Wood • Engine Repair at napa autopro, Saint John
★ ★ ★ ★ ★

“MSA provided one of the most impressive diagnostic experiences I’ve ever had.

My vehicle had a noisy wheel bearing, but I couldn’t determine which side was causing the problem. I had already visited two different repair shops, and each gave me a different diagnosis. Even ChatGPT suggested something different.

When I brought the car to MSA, their technicians identified the problem within just a few minutes. Honestly, I was surprised because their diagnosis was completely different from what everyone else had told me. Although I didn’t say it out loud, I was very skeptical of their conclusion.

About an hour later, the repair was completed. After driving the vehicle for a while, I realized the noise was completely gone. At that moment, I knew they were right.

MSA, I owe you an apology for doubting your diagnosis.

The technical expertise here is outstanding. Their pricing is fair, reasonable, and transparent, with no unnecessary repairs or upselling. If you're experiencing suspension, wheel bearing, or other chassis-related issues, I highly recommend bringing your vehicle to MSA for an inspection.

Thank you, MSA, for your professionalism, honesty, and excellent work.”

Harrod M • Engine Repair at MSA Autorepair, Saint John
★ ★ ★ ★ ★

“Great shop and very active owner. I did Tire rotations and balancing was satisfied with service.”

Inam Rehman • Engine Repair at Better Steering and Automotive Inc, Saint John
★ ★ ★ ★ ★

“Honest, knowledgable staff. The work was done on time and for a great price”

Zach Heydeman • Engine Repair at Alpine Motors Inc, Saint John
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Find a Best Engine Repair in Saint John, NB

Boommar lists 15 verified mechanics in Saint John. 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 Saint John? +
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.