Petrol engines 1.2 liter (D4F) Renault Logan 2

General information about the 1.2L petrol engine
Engine Identification Data The engine identification plate is located on the cylinder block under the intake manifold. Identification plate: 1. Engine type. 2. Engine approval letter. 3. Engine suffix. 4. Index of the...

Preparing for repairs
Note: All work on the engine must only be performed by suitably qualified personnel. When performing repair work on a vehicle, it is necessary to follow basic safety rules. The quality of repair depends primarily on the...

Compression check
Note: Use a compression tester for petrol engines. The compression tester must be equipped with a universal tip (rubber) or an adapter with a ¼ pipe thread. Follow the instructions for use supplied with the compression...

Engine attachments
Attachment drive belts Replacing the drive belts of the attachments Attention: Use protective gloves when performing work. To avoid damage to the crankshaft pulley, do not start the engine with the accessory drive belts...

Removal and installation the air conditioning compressor
Caution: Observe precautions when handling refrigerant (see chapter " Air conditioning system "). Note: To remove the air conditioning compressor, a special station for draining and filling the air conditioning system...

Removal and installation the power steering pump
1. Place the vehicle on a two-post lift. 2. Disconnect the negative battery terminal. 3. Remove the front right wheel from the vehicle. 4. Remove the brake caliper and hang it on the car body with wire (see chapter "...

Removal and installation the multifunctional engine mount
Removal 1. Place the vehicle on a two-post lift. 2. Disconnect the negative battery terminal. 3. Remove the generator from the engine. 4. Loosen the bolts (1) securing the multifunctional support. 5. Remove the...

Removal and installation of the power unit assembly
1. Cylinder head mounting support. 2. Front side member. 3. Engine with gearbox assembly. 4. Front side member. 5. Gearbox support. 6. Engine thrust rod. 7. Rear elastic engine support. Attention: Use protective gloves...

Repair of an engine removed from a car
Installing the engine on the assembly stand Attention: It is strictly forbidden to apply any pressure to the engine oil pan. Damage to the pan can also cause various damages to the engine itself due to: blocking the oil...

Gas distribution mechanism drive
Removal the timing belt of the gas distribution mechanism drive Caution: Do not turn the engine crankshaft against the normal direction of rotation. 1. Place the vehicle on a two-post lift. 2. Disconnect the negative...

Adjusting valve clearance
1. Place the vehicle on a two-post lift. 2. Disconnect the negative battery terminal. 3. Remove the engine protective pan. 4. Remove the front wheels from the vehicle. 5. Remove the front mudguards from the vehicle. 6....

Rocker Arm Cover — Removal and Installation
Removal 1. Disconnect the negative battery terminal. 2. Remove the air filter unit (see chapter " Intake and exhaust system "). 3. Remove the intake manifold (see chapter " Intake and exhaust system "). 4. Remove the...

Removal the cylinder head
1. Place the vehicle on a two-post lift. 2. Disconnect the negative battery terminal. 3. Remove the engine protective pan. 4. Drain the engine coolant (see chapter " Cooling system "). 5. Remove the front right wheel....

Disassembling the cylinder head
Attention: It is strictly forbidden to supply compressed air to the engine oil pan. Damage to the oil pan can also cause various damages to the engine itself due to: blocking the oil intake; increasing the engine oil...

Cleaning the cylinder head
Attention: Do not scratch the aluminum contact surfaces, any damage to the contact surfaces may cause leaks. Use safety glasses with side protection and sealed gloves (nitrile type). Avoid contact of cleaning agent with...

Checking the technical condition of the cylinder head
Attention: It is strictly forbidden to supply compressed air to the engine oil pan. Damage to the oil pan can also cause various damages to the engine itself due to: blocking the oil intake; increasing the engine oil...

Cylinder head assembly
1. Clean the cylinder head, valves, valve springs, valve retainers, valve crackers and valve guides. Caution: Always replace the valve stem seals with new ones after each removal. 2. Install the valve stem seals:...

Installing the cylinder head
Attention: Do not scratch the aluminum contact surfaces, any damage to the contact surfaces may cause leaks. Use safety glasses with side protection and sealed gloves (nitrile type). 1. Clean the contact surfaces with a...

Cylinder block and crank mechanism
Pistons and connecting rods Removal pistons with connecting rods Attention: It is strictly forbidden to apply any pressure to the engine oil pan. Damage to the pan can also cause various damages to the engine itself due...

Crankshaft
Removal the crankshaft 1. Remove the pistons with connecting rods from the engine (see section above). 2. Loosen the mounting bolts (1) and remove the crankshaft thrust plate (2). 3. Make sure that the marks applied to...

Cylinder block
Disassembling the cylinder block 1. Remove the power unit assembly (engine with gearbox) from the car. 2. Disconnect the gearbox from the engine (see chapter " Transmission "). 3. Remove the accessory drive belt. 4....

Special tools and devices
Special tools and devices

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Other sections on other Renault models

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➽ Power unit: Petrol engines 2.0 l Renault Megane 1 (1995-2002)
➽ Power unit: Petrol engine (K4M) Renault Duster 1 (2009-2017)

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