Ambattur workshopMon–Sat 10:00 AM – 8:00 PM. Sunday closed.
PDF ₹799 · Hardcover ₹1,299 · Free 5-page sample
Diagnose with confidence.
Repair with a method.
An 88-page premium training manual for automotive A/C technicians, apprentices and workshop owners.
Pay by UPI, card or net banking. The PDF downloads on the confirmation screen the moment payment is confirmed · Hardcover ₹1,299; delivery confirmed on WhatsApp
A method to follow from the first week on the floor.
Wiring diagrams and flowcharts to keep by the bay.
One shared way of diagnosing across your team.
Real pages from the PDF, not a mock-up. Tap a page to read it full size.
The manual is built from the workshop's own 14-book technical library and the 20 case studies in it, all from cars that came through the bays at GM Car A/C Service in Ambattur, Chennai. It exists so that a technician can follow a method instead of swapping parts.
This is an independent training publication, not an OEM workshop manual. High-voltage and refrigerant work must be done by trained people.
₹799
Diagnose a warm A/C from symptom to verified cause with a method, instead of swapping parts.
₹249
Know what to check when your car A/C stops cooling, and when to book a workshop check.
Digital Edition ₹799
Buy Digital Edition
Order Hardcover on WhatsApp
30 structured learning modules
20 workshop case studies
88 full-colour digital pages
Training module
Understand system flow, component function, pressure change and the measurements used before diagnosis.
Diagnostic workflow
Read circuits methodically, test before replacing parts and move from symptom to verified direction.
A workshop-first learning path from A/C fundamentals to diagnosis, electrical control and real case studies.
₹799
₹1,299
The file downloads on the confirmation screen the moment payment is confirmed. The link stays valid for 7 days, so save the file.
Can I get a refund?We do not refund a digital file once it has been downloaded because you changed your mind. If the file will not open, is corrupted, or is not what this page describes, message us and we refund it. See the refund and cancellation policy. Not sure yet? Read the free 5-page sample first.
Can I order a hardcover copy?Yes. The hardcover is ₹1,299. Use the WhatsApp button to send your name, delivery city, PIN code and quantity. We confirm the delivery charge and dispatch time before payment.
Is this an official OEM workshop manual?No. This is an independent training publication from the GM Car A/C Service Technical Team. Always verify vehicle-specific specifications and repair procedures against current OEM documentation.
Who is this manual for?It is designed for working automotive A/C technicians, apprentices, trainees, service advisors and workshop owners who want a structured diagnostic method.
Training reference only. Refrigerant, electrical and high-voltage work must be carried out by trained people using the correct equipment and current vehicle-specific service information.
We reply in workshop hours · No spam
Prefer to talk? Call +91 88893 60888 or WhatsApp us.
Pay once. The PDF downloads on the confirmation screen the moment payment is confirmed; the link stays valid for 7 days.
Pay securely with UPI, card or net banking through Razorpay. The PDF downloads on the confirmation screen the moment payment is confirmed; the link stays valid for 7 days, so save the file. The hardcover (₹1,299) is ordered on WhatsApp.
PDF · instant download
₹799 one payment, no subscription
Diagnose a warm A/C from symptom to verified cause with a method, instead of swapping parts.
The 88-page training manual for A/C technicians, apprentices and workshop owners.
Payments by Razorpay: UPI, cards, net banking
If the file will not open, is corrupted, or is not what this page describes, message us and we refund it. Refund policy
PDF · instant download
Separately ₹1,048 ₹899 you save ₹149
Train the technician and hand the customer a plain-language guide.
The 88-page technician manual and the 18-page owner pack in one payment, for a workshop that also advises its customers.
Payments by Razorpay: UPI, cards, net banking
If the file will not open, is corrupted, or is not what this page describes, message us and we refund it. Refund policy
PDF · instant download
₹249 one payment, no subscription
Know what to check when your car A/C stops cooling, and when to book a workshop check.
An 18-page pack for car owners: what to check when the A/C stops cooling, and when to book a workshop check.
Payments by Razorpay: UPI, cards, net banking
If the file will not open, is corrupted, or is not what this page describes, message us and we refund it. Refund policy
The same 30 points a technician works through on a booked slot: 17 on the A/C and 13 on the electrical side.
| 01 | Refrigerant type |
|---|---|
| 02 | Low-side pressure |
| 03 | High-side pressure |
| 04 | Vent temperature |
| 05 | Ambient temperature |
| 06 | Idle versus road speed |
| 07 | Compressor clutch engages |
| 08 | Cycling interval |
| 09 | Compressor noise |
| 10 | Drive belt |
| 11 | Condenser fins |
| 12 | Condenser fan |
| 13 | Leak check at accessible joints |
| 14 | Oily residue |
| 15 | Cabin filter |
| 16 | Blower on all speeds |
| 17 | Evaporator drain |
| 18 | Resting battery voltage |
|---|---|
| 19 | Cranking voltage |
| 20 | Battery load test |
| 21 | Battery terminals |
| 22 | Alternator at idle |
| 23 | Alternator at 2,000 rpm |
| 24 | Starter draw |
| 25 | Parasitic draw |
| 26 | Fuse ratings |
| 27 | Relay operation, including A/C |
| 28 | Harness condition |
| 29 | OBD codes |
| 30 | Dashboard warning lamps |
High side. When the condenser does not get enough air, the high side often reads high at idle and improves at road speed. A technician checks the fan and the fins first.
An illustration of where a gauge can sit for a symptom. It is not a diagnosis; only gauges on your car can tell.
If the Razorpay screen doesn't open, you can pay ₹799 to UPI ID 8889360888@okbizaxis and send the screenshot to +91 88893 60888. We'll send the download link and a receipt within one working hour.
One full module on the evaporator and two real case studies, as a PDF. Leave your name and number and the link is on screen at once.
