Car AC Service, General Service & Complete Electrical Repair in Ambattur
Looking for a car AC mechanic or multibrand car service near Ambattur? Choose AC, general maintenance, oil, electrical or parts work for your car, with the required work and estimate explained before approval.
GM Car A/C Service is a multibrand car AC, general-service and electrical workshop in Kallikuppam, Ambattur, Chennai. For weak cooling, gas filling, periodic maintenance, battery or alternator faults, wiring issues and AC electrical problems, select the relevant service below. AC gas filling is ₹1,500 for a single module or ₹2,200 for a double module, including leak check.
Find the Right Car AC Repair Service in Chennai
Choose the issue closest to your car’s symptoms for service details, diagnosis information and booking options.
Service Guide- Car AC Gas FillingR134a and R1234yf refrigerant service
- Car AC Compressor RepairDiagnosis, repair and replacement options
- Car A/C RepairDiagnosed first, quoted after
- Car Starter Motor RepairTested before replaced
- Monsoon Car CheckupReady before the rain
- Summer Car A/C ServiceCheck it before May
- Car AC Leak Detection & RepairFind and fix refrigerant leaks
- Car AC Filter ReplacementCabin air filter inspection and replacement
- Car AC InstallationInstallation and retrofit information
- Car AC Condenser RepairCondenser cleaning and replacement
- Car AC Cooling Coil ReplacementEvaporator diagnosis and replacement
- Car AC Bad Smell RepairRemove odour at the source
- Car AC Not Cooling DiagnosisCommon causes and repair options
- Bus & Commercial Vehicle AC RepairAC support for buses, vans and fleet vehicles
- Car Battery Testing & ReplacementBattery health checks and replacement advice
- Alternator Repair & DiagnosisCharging-system testing and repair options
- Fleet A/C, General & Electrical ServiceScheduled support for taxis, vans, buses, delivery and company fleets
- School Bus, Fleet & Wholesale EnquiriesTalk to GM about business servicing and pre-delivery A/C work
Company Services
Choose the right service for your car. Every card opens a separate page with service details.
Core ServiceCar AC Servicing
Complete car AC care including cooling diagnosis, AC gas filling, compressor checks, condenser and evaporator inspection, leak repair, cabin filter replacement, blower performance checks and regular AC maintenance.
Find the Right AC Service
Car Oil Service
Engine-oil and oil-filter replacement for your service interval, with oil grade and work confirmed before the job begins.
Oil Service Details
Car General Service
Multibrand routine and periodic maintenance: engine oil and filters, brakes, suspension, clutch, coolant and fluid checks, with an estimate after diagnosis.
General Service Details
Complete Car Electrical Service
Electrical diagnosis and repair for vehicle systems:
- AC compressor relay & fuse diagnosis
- Battery & alternator health testing
- Wiring fault tracing & repair
- AC pressure switch & sensor diagnosis
- Blower motor & resistor repair

Parts Replacement & Retail Spares
Multibrand car AC and electrical parts supply. Available for in-workshop diagnostic replacement or direct over-the-counter retail purchase (Cool Sales).
Parts & Spares DetailsAC Repair Guides
Which Service Should You Book?
Use this guide to choose the right service before calling. If you are not sure, select "Other / Not Sure" in the form and our team will classify the job after diagnosis.
Book Car AC Servicing when cooling, airflow or cabin comfort is the issue.
Choose this for weak cooling, AC not cooling, gas filling, compressor noise, water leakage inside the cabin, bad smell, low airflow, cooling coil faults, condenser blockage, cabin filter replacement or regular yearly AC maintenance.
- Diagnosis-first AC inspection before replacing parts
- R134a and R1234yf refrigerant support
- Compressor, condenser, evaporator and blower checks
Book Car General Service for routine maintenance support.
Choose this for periodic maintenance, engine oil and filter service, brake, suspension or clutch checks, coolant and fluid checks, regular inspection or multibrand service support.
Book Car Electrical Service for starting, battery, wiring and sensor faults.
Choose this for battery drain, car not starting, alternator warning, blown fuses, relay faults, wiring damage, blower motor not working, dashboard warning lights or AC electrical circuit problems.
Book Car Oil Service for a scheduled engine oil and filter change.
Choose this for an oil-service interval, oil filter replacement or an engine-oil recommendation for your vehicle. The right grade and estimate are confirmed before work begins.
Book Parts Replacement after a diagnosed component fault.
Choose this when an AC, electrical or routine-service part needs replacement. We explain the recommendation and estimate before fitment.
What happens after you book?
Intake
We collect your issue, vehicle model, area and pickup preference. You can call, WhatsApp or submit the form.
Diagnosis
The technician confirms whether the job belongs under AC servicing, general service or electrical service.
Estimate
The estimate is confirmed after diagnosis, before you decide whether to proceed.
Quick answer: GM Car A/C Service offers five core categories: Car AC Servicing, Car Oil Service, Car General Service, Complete Car Electrical Service, and Parts Replacement Support. Fleet and B2B service routes are listed above.
Why GM Car AC Service
Vehicles Served Since 2019
Founder-led Experience
G.M. Manigandan, founder, Managing Director and lead technician, has worked on cars himself since 2018 and still diagnoses them. Every technician here is trained by him in the same method: find the fault, then quote.
✅Parts Support After Diagnosis
Parts recommendations and fitment support follow the diagnosed fault and estimate.
💰Estimate Before Repair
For repairs beyond gas filling, the estimate follows diagnosis and vehicle requirements.
🚗Pickup & Drop Enquiries
Free pick-up and drop anywhere in Chennai, on confirmed bookings, subject to slot availability; call to confirm. Free for every customer, not only Cool Care members, and there is no minimum bill.
Need Any of These Services?
Tell us the vehicle and issue. Timing, pickup or drop availability, and estimates are confirmed after diagnosis.
Call +91 8428000085 WhatsApp for QuoteGet a Quick Service Estimate
Choose the service or describe the issue. We will use your details to discuss diagnosis, timing and any pickup or drop request.
GM Cool Care Plans — Your Year of Service, Priced Once
One yearly plan covers your general service, oil change, A/C and mid-year check. The 30-point A/C and electrical checkup is free at every visit.
Your oil change is part of the General Service — not a separate charge. Plans are limited each year so we can keep every slot we book.
Free pick-up and drop anywhere in Chennai, on confirmed bookings, subject to slot availability, is for every customer — plan member or not, with no minimum bill. Master simply has it booked into all four visits.
See the full membership — what's covered, what it saves →
Basic
Cool Care A/C Protect
For an older car, or when it is only the A/C you want looked after.
₹2,499 / year
Two visits: one before summer, one after the monsoon
- ✅ Pre-summer A/C health check — 1 visit
- ✅ Post-monsoon A/C health check — 1 visit
- ✅ FREE 30-point A/C & electrical checkup at every visit
- ✅ Priority booking
- ✅ 5% off parts and labour
- ✅ Free re-check within 15 days of any visit
- ❌ Gas filling is not included — Essential at ₹2,999 includes one fill
Best Value
Cool Care Complete
For the family car you drive every day.
₹6,499 / year, petrol
Diesel ₹7,699 — the diesel General Service is ₹1,200 more
Three of these four visits come to ₹8,498 booked separately — you save ₹1,999
- ✅ General Service — oil change included — 1 visit
- ✅ A/C gas refilling, single module — 1 visit
- ✅ Essential Service at the 6-month mark — 1 visit
- ✅ Pre-summer A/C performance check — 1 visit
- ✅ FREE 30-point A/C & electrical checkup at all 4 visits
- ✅ Priority booking through the March–June rush
- ✅ 10% off parts
- ✅ No diagnostic labour charge if we find a fault
- ✅ Free re-check within 30 days
- ✅ Written annual A/C & electrical report
Premium
Cool Care Master
For never having to think about the car.
₹9,999 / year
Only 40 Master plans a year, so we can keep the pick-up promise
- ✅ Everything in Complete
- ✅ Pick-up and drop included on all 4 visits — anywhere in Chennai, on confirmed bookings, subject to slot availability
- ✅ A slot within 48 hours, including through the summer
- ✅ 15% off parts
- ✅ Extra mid-summer A/C health check
- ✅ FREE electrical checkup for a second family car
- ✅ Direct line to your service advisor
- ✅ Price locked for 2 years at renewal
- ✅ Transferable if you sell the car
- ✅ Annual written vehicle health report
Want a lower entry that still includes a gas fill? Cool Care Essential is ₹2,999 a year — one A/C gas refill, one Essential Service, the free checkup at every visit, priority booking and 5% off parts. Compare all five plans.
Plans run 12 months from your first visit. Prices include GST. Anything we find during a visit is quoted before work starts — we diagnose first, then quote.
Car AC Service Near You — Nearby Chennai Areas
Free pick-up and drop anywhere in Chennai, on confirmed bookings, subject to slot availability — from any area listed here or any other part of the city.
AmbatturService-area details
MadhavaramService-area details
RedhillsService-area details
AvadiService-area details
Anna NagarService-area details
PadiService-area details
MogappairService-area details
ThirumangalamService-area details
KolathurService-area details
VillivakkamService-area details
KoratturService-area details
Frequently Asked Questions
Questions customers ask before choosing a workshop.
What services does GM Car A/C Service offer?
GM Car A/C Service offers car AC servicing (gas filling, compressor, condenser, cooling-coil and leak repair, filter replacement), engine oil service, car general service, complete electrical service and parts-replacement support, plus fleet service for taxis, vans, buses and delivery vehicles.How does the diagnosis process work before repair?
Every repair starts with inspecting the vehicle to identify the actual fault — checking the AC circuit, electrical system or mechanical components as relevant — before any work is recommended.How is the estimate given for a repair?
After diagnosis, the team explains the fault and shares the estimated cost for parts and labour. AC gas filling is priced at ₹1,500 single module or ₹2,200 double module; other repairs are quoted after inspection because parts and labour vary by vehicle.Do you work on all car brands?
GM Car A/C Service is an independent multibrand workshop. Share your car's make and model when you call or WhatsApp so the team can confirm service details for it.How do I book a service?
Call +91 8428000085 or message on WhatsApp with your car model, location and the issue. You can also fill the enquiry form on this page.Where is the workshop located?
The workshop is at 12A, Gangai Amman Kovil Street, Kallikuppam, Ambattur, Chennai 600053, open Monday–Saturday, 10 AM–8 PM, closed Sunday.What should I bring when I visit for a service?
Bring your car's registration (RC) copy and note any specific symptoms — noise, smell or warning lights — you have noticed, so the technician can diagnose accurately.Can pickup and drop be arranged?
Free pick-up and drop anywhere in Chennai, on confirmed bookings, subject to slot availability. Call +91 8428000085 or WhatsApp +91 8889360888 to confirm availability and timing for your location.Tell us what the car is doing
We will call you back to confirm a slot. Nothing is charged and nothing is booked until we have spoken.
- +91 84280 00085Customer Service · Individual car owners
- Message us on WhatsAppMon–Sat 10:00 AM – 8:00 PM. Sunday closed.
