Big Tee Decatur, GA · Mobile
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Decatur, GA · Est. 1997

Built to Diagnose. Ready to Repair.

Terrence Blake. Mechanic since 1997. Mobile service and shop repairs in Decatur, GA — for cars, pickups, box trucks, semis, and full fleets.

29 Years
Experience
16 Service
Types
10 Cities
Covered
1 Number
To Call
Cars / Pickups / Box Trucks / Semis / Fleets / All Years / Mobile + Shop / Cars / Pickups / Box Trucks / Semis / Fleets / All Years / Mobile + Shop /
0
Years on the tools

Terrence has been wrenching since 1997 — long before scan tools could do half the thinking.

0
Service types

From a check-engine light to a full engine swap — one shop, one phone call.

Cars+Trucks+Semis
Every vehicle, all years

Daily drivers, work trucks, box trucks, Class 8 semis, and full commercial fleets.

Services · 01 / 16

What We Fix.

Sixteen service types. One mechanic with 29 years on the tools. Cars, pickups, box trucks, Class 8 semis, and full commercial fleets. If it has wheels, an engine, or a transmission — Big Tee works on it.

All years · Mobile + shop
01

Mobile Mechanic

Come to your driveway, your lot, your jobsite — anywhere in Metro Atlanta.

02

Auto Repair

Full-service repairs on cars, trucks, and commercial vehicles. All years.

03

Car Diagnostics

OBD-II scans plus 29 years of pattern recognition. Real answers, fast.

04

Check Engine Light

No throwing parts at it. We pinpoint the code, the cause, and the fix.

05

Suspension Repair

Shocks, struts, control arms, ball joints. Restore the ride.

06

AC Repair

Cold air, sealed lines, evac and recharge. Diagnose leaks the right way.

07

Engine Repair

From misfires and timing to full top-ends. Decades on the tools.

08

Engine Swap

Bigger jobs welcome. Sourcing, install, and full reassembly.

09

Transmission Repair

Diagnose first — fluid, valve body, or internals. No guesswork.

10

Transmission Swap

Auto and manual. Pull, swap, program, road test.

11

Drivetrain Repair

Axles, CV joints, U-joints, differentials, transfer cases.

12

Truck Repair

Half-tons through heavy duty. Daily drivers and work trucks.

13

Box Truck Repair

Keep your delivery fleet moving. Same-day service when we can.

14

Semi Truck Repair

Class 8 diagnostics, brakes, air systems, and roadside calls.

15

Fleet Repair

Net 30 fleet accounts. One number, every vehicle, no excuses.

16

Pre-Purchase Inspection

Before you buy — what it actually needs and what it’s worth.

Not sure what it needs? Start with a diagnostic.

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The Process · Method 01

Built to
Diagnose.

Most shops guess. Big Tee diagnoses — then fixes. Every job follows the same four steps so you pay to repair the actual problem, not the symptom.

  1. Listen.

    You describe the symptoms. We ask the questions that narrow the search before tools come out.

  2. Scan.

    OBD-II diagnostics, live data, and 29 years of pattern recognition find the actual cause.

  3. Quote.

    Flat-rate price, ETA, and parts up front. Diagnostic fee credits to the repair if you move forward.

  4. Repair.

    Mobile or shop. Parts and labor warrantied. One number to call if anything needs follow-up.

Mode 01 · Mobile

We come
to you.

Driveway, parking lot, fleet yard, side of the road. Most diagnostics, brakes, suspension, AC, and electrical work happens at your location across Metro Atlanta.

  • Diagnostics
  • Brakes + Suspension
  • AC + Electrical
  • Fleet Calls
  • Pre-Purchase Inspection
  • Same-Day Mobile
Book Mobile Metro Atlanta
Mode 02 · Shop

Big jobs.
Big bay.

Engine swaps, transmission swaps, drivetrain rebuilds, and the work other shops won’t touch — handled in the Decatur shop with the right tools.

29 yrs
On the tools
Class 8
Capable
“Found the problem in 15 minutes. Fixed in an hour.”
D. Reeves — Lithonia
“Pulled the engine, dropped a new one, back on the road in a week.”
Marcus T. — Atlanta
“Three trucks in the fleet, one phone call. That’s it.”
Atlas Logistics
Coverage · All Vehicles

From a sedan to a semi.
Same number.

Light

Cars + Sedans

Daily drivers, all years.

½ – 1 ton

Pickups + SUVs

Half-tons through HD.

Class 3–6

Box Trucks

Keep deliveries moving.

Class 7–8

Semis + Fleets

Road-ready Class 8 service.

Why Big Tee

Six reasons
people call back.

We’re not the cheapest sticker on the road. We’re the one that gets it diagnosed right the first time — so you stop paying twice for the same problem.

01 / 06

WE DIAGNOSE FIRST.

No throwing parts at it. Every job starts with a diagnostic so you pay to fix the actual problem — not the symptom.

02 / 06

29 YEARS. NO GUESSING.

Terrence Blake has been on the tools since 1997. That kind of pattern recognition can’t be downloaded.

03 / 06

CARS TO SEMIS.

Daily drivers, work trucks, box trucks, Class 8 semis. One mechanic, every vehicle on your lot.

04 / 06

WE COME TO YOU.

Mobile service across Metro Atlanta. We bring the shop to your driveway, your fleet yard, or the side of the road.

05 / 06

BIG JOBS WELCOME.

Engine swaps. Transmission swaps. Drivetrain rebuilds. The work other shops won’t touch.

06 / 06

STRAIGHT ANSWERS.

You get a real diagnosis, a real price, and a real ETA. No upsell theater. No mystery line items.

Service Areas · Metro Atlanta

10 cities.
One mechanic.

Decatur is home base. Mobile coverage runs across the eastern half of Metro Atlanta.

  • 01 Decatur Home base
  • 02 Atlanta
  • 03 Lithonia
  • 04 Stone Mountain
  • 05 Tucker
  • 06 Clarkston
  • 07 Avondale Estates
  • 08 Panthersville
  • 09 Belvedere Park
  • 10 East Atlanta
Common Questions

Straight
answers.

Don’t see your question? Call. Terrence picks up.

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Do you actually come to me, or do I bring the vehicle?

Both. Most diagnostics, brakes, suspension, AC, and electrical work happens at your location across Metro Atlanta. For engine swaps, transmissions, and heavy drivetrain work the vehicle comes to the shop in Decatur.

How fast can I get on the schedule?

Mobile diagnostic calls usually go out the same day or next morning. Bigger jobs like engine and transmission swaps get a firm start date once we confirm parts.

Will you work on my semi or box truck?

Yes. Box trucks, Class 6–8 semis, and full commercial fleets. Net 30 accounts available for fleet customers.

What does a diagnostic actually cost?

You get a flat diagnostic fee up front before we touch the vehicle. If you move forward with the repair, the diagnostic gets credited against the job.

Do you stand behind the work?

Yes. Parts and labor are warrantied. If something isn’t right after a repair, you call the same number and Terrence picks up.

Ready When You Are

READY?

CALL
BIG TEE.

Diagnostic-first. Cars to semis. Mobile + shop. One number. One mechanic. 29 years of getting it right.

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