How to Repair a Car Engine – Step-by-Step Guide by Nadeem Auto Service

 Introduction:

Engine repair is one of the most important tasks in car maintenance. Whether it's a 4-cylinder or 6-cylinder engine, proper diagnosis and careful disassembly is key to a successful repair. In this post, I’ll walk you through the real engine repair process from my workshop — step by step.

---

1. Initial Diagnosis (Masla Samajhna)

Before opening the engine, always check for the following signs:

Engine overheating

Oil leakage

Knocking sound

Smoke from the exhaust

At Nadeem Auto Service, I use both experience and tools like OBD scanner and pressure gauge to find the real problem.

---

2. Tools Required for Engine Repair

Socket wrench set

Engine hoist or crane

Screwdrivers

Torque wrench

Engine stand

Gasket sealant

Tip: Always keep your tools clean and organized. It saves time and stress during engine work.

---

3. Engine Removal Process

Disconnect the battery

Drain engine oil and coolant

Remove radiator and fan

Disconnect wiring harness, fuel lines, and sensors

Unbolt engine mounts

Lift the engine using hoist

Note: Be careful while removing the engine. A single mistake can damage wiring or mounts.

---

4. Engine Inspection

Once the engine is out:

Check piston rings

Inspect crankshaft and bearings

Look for gasket damage

Check timing chain/belt condition

Cylinder head inspection

Replace or repair faulty parts accordingly.

---

5. Engine Assembly (Dobara Jorna)

Install new gaskets

Properly torque bolts as per engine manual

Reconnect all wiring and sensors

Add fresh engine oil and coolant

Start the engine and check for noise or leakage

---

6. Final Testing

After repair and reinstallation:

Start the engine and keep it running

Check oil pressure

Monitor engine temperature

Listen for any unusual sounds

Test drive the car for 10-15 km

---

Conclusion:

Engine repair takes time, patience, and skill. At Nadeem Auto Service, I make sure every engine I fix runs smooth and strong. If you’re a car lover, mechanic, or DIY enthusiast, follow my blog and Pinterest for real workshop stories and tips.

---

Images Suggestion:

A photo of the removed engine

Tools arranged before starting

Close-up of pistons or gaskets

Engine hoist in action

Final clean engine after assembly

---

Nadeem 

Call-to-Action:

For more real car repair tips and engine work tutorials, visit my YouTube and Pinterest:

https://nadeemautoservice.blogspot.com