Heavy-Duty Truck Repair  ·  Alpharetta, Georgia

YOUR TRUCK BACK ON THE ROAD.

📍 865 McFarland Pkwy, Alpharetta, GA  ·  Easy Truck & Trailer Access

Specialized repair for Volvo, Freightliner, Kenworth & Peterbilt. Engine overhaul, transmission, ECM diagnostics — done right the first time.

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📍 Easy Truck & Trailer Access 865 McFarland Pkwy, Alpharetta, GA 30004 →
Engine OverhaulVolvoFreightlinerKenworthPeterbiltECM DiagnosticsTransmission RebuildAC ServiceMobil Delvac CertifiedAlpharetta GA Engine OverhaulVolvoFreightlinerKenworthPeterbiltECM DiagnosticsTransmission RebuildAC ServiceMobil Delvac CertifiedAlpharetta GA
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Certifications
ASE Certified Mobil Delvac DOT Compliant
🏢
Part of
Garant Inc Fleet
⚡
Response Time
Same-Day Diagnostics
📍
Location
Alpharetta, GA
0Brands
Specialized In
Volvo · Freightliner · Kenworth · Peterbilt
15+Yrs
Combined Experience
Alexander & Eric — ASE certified technicians
0Hr
Response Time
We get back to you within the hour
Mon-Fri
Hours
9AM–6PM · Sat by appt · Sun closed
01
Engine Work
ENGINE
OVERHAUL

Full teardown, inspection, and rebuild. Pistons, bearings, head gaskets, timing — everything back to spec. D13, ISX, X15 and more.

Volvo D13Cummins ISXDetroit DD15
02
Drivetrain
TRANSMISSION
REBUILD

Manual, automatic, and AMT repair. Clutch packs, torque converters, shift forks — diagnosed and rebuilt in-house.

Eaton FullerAllisonVolvo I-Shift
03
HVAC
AC SYSTEM
SERVICE

Full AC diagnosis, recharge, compressor replacement using professional Robinair equipment. Keep your driver comfortable year-round.

R-134aR-1234yfAll Brands
04
Electronics
ECM
DIAGNOSTICS

Full ECM programming and diagnostics using Infomax and brand-specific software. Fault codes, DPF/EGR resets, sensor calibration.

InfomaxDPF/EGRCAN-bus
Full Service Menu
WHAT WE
FIX.
01
Engine Overhaul

Complete rebuild — pistons, rings, bearings, gaskets, cylinder heads. Pressure tested before reassembly.

Volvo · Freightliner · Kenworth · Peterbilt
02
Preventive Maintenance

Oil & filter, brake adjustments, valve lash, coolant flush, belt inspection. Full Fullbay documentation.

All brands · DOT compliant
03
Transmission

Manual, automatic, and AMT repair. Clutch, torque converter, gear inspection, and fluid service.

Eaton · Allison · Volvo I-Shift
04
ECM & Electrical

ECM diagnostics and programming, wiring harness, sensor replacement, DPF/EGR resets.

Infomax · OBD · CAN-bus
05
Brake System

Air brake inspection, S-cam, slack adjusters, drums, shoes, and ABS system service.

Air brakes · ABS · All axles
06
AC & HVAC

Recharge, compressor replacement, leak testing, blower motors, climate control diagnostics.

R-134a · R-1234yf · Cab & sleeper
Get in touch
SCHEDULE YOUR TRUCK TODAY.
📍
Address
865 McFarland Pkwy
Alpharetta, GA 30004
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📞
Phone
+1 (470) 850-5121
Tap to call →
✉️
Email
repairs@garanttrans.com
Send an email →
🕐
Hours
Mon–Fri: 9:00 AM – 6:00 PM
Sat: By Appointment
Sun: Closed
Open Mon–Fri  9 AM – 6 PM
Request Service
We'll call you back within 1 hour during business hours.
Check Engine Light
Engine Knocking
AC Not Cooling
Transmission Slip
Brake Issues
No Start
Oil Leak
Scheduled PM
✦
Request Received

We'll call you back at the number you provided within 1 business hour.
If urgent — call us directly: +1 (470) 850-5121

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Garant Express LLC  ·  865 McFarland Pkwy, Alpharetta, GA 30004
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