Gasoline car engine Renault Fluence 1

General information
This book describes petrol engines with a capacity of 1.4 l (H4J), 1.6 l (K4M) and 2.0 l (M4R). Valve clearance adjustment is performed automatically using hydraulic tappets and does not require manual adjustment. The...

Engine Identification Data
The M4R engine identification data is located on the cylinder block (A) and on the timing cover (B). Identification data for K series engines is located on the cylinder block (1). The quality class is indicated on the...

Methods of tightening bolts
As a rule, two methods of controlled tightening are used when repairing cars: tightening with the required torque and tightening at a given angle (also called torque and angular tightening). Tightening to the required...

Safety precautions when performing internal combustion engine repairs
To ensure high-quality repairs: use recommended materials for professional repairs and genuine spare parts; observe tightening torques; follow the instructions for parts that require mandatory replacement after removal,...

Unit replacement (new engine)
Parts to be removed from a used engine and installed on a new engine (provided they are in good working order): all engine cooling system hoses; oil pressure sensor; knock sensor; intake manifold; exhaust manifold;...

Checking for a cylinder leak
Note: Checking cylinders for leaks can be done as an alternative to measuring compression. Using this method, you can measure the total amount of leakage from the engine cylinders and determine its location. A similar...

Compression check
Remove the top engine cover, coils and spark plugs (see the corresponding operation). Connect the compression gauge to cylinder #1. Perform the following commands using the diagnostic tool: RZ003: "ADAPTATIFS MOTEUR";...

Auxiliary equipment drive belt (K4M engine)
Caution: Do not turn the engine crankshaft in the direction opposite to the direction of rotation. Caution: Be sure to replace the accessory drive belt. Removal Place the car on a lift. Disconnect the battery. Remove...

Accessory Drive Belt (M4R Engine)
Removal Place the car on a lift. Remove: right front wheel; right front fender liner (see the corresponding operation); protective screen. Turn the accessory drive belt tensioner roller clockwise with a 14 mm wrench....

Lower thrust (M4R engine)
Removal Install the car lift. Remove: engine sump guard mounting bolts; protective screen. Remove: fastening boots (1) anti-skid rods; anti-skid traction (2); bolt (3) for fastening the lower reaction rod to the...

Right pendulum suspension (M4R engine)
Removal Remove: engine sump guard mounting bolts; engine oil pan protection; lower jet thrust. Disconnect the fuel supply line from the engine pendulum mount support. Disconnect the fuel supply line (1) from the fuel...

Left pendulum suspension (M4R engine)
Removal Place the car on a lift. Remove: left front wheel; left front fender liner; battery; shelf for battery; air filter housing; engine oil pan protection; lower jet thrust. Install the power unit removal and...

Lower jet thrust (K4M engine)
Removal Place the car on a lift. Remove the engine crankcase guard mounting bolts and protective screen. Remove: bolt (1) securing the lower reaction rod to the front suspension subframe, lower reaction rod bracket...

Right pendulum suspension (engine K4M)
Removal Place the car on a lift. Remove: top engine cover; engine sump guard mounting bolts; engine oil pan protection; lower jet thrust. Install the fixture (replaces the Mot. 1367 device), consisting of engine support...

Left pendulum suspension (engine K4M)
Removal Place the car on a lift. Remove: top engine cover; battery; shelf for battery; air filter housing; lower reaction rod. Install the battery harness channel (1). Move the battery wire harness channel aside....

Wiring harnesses
Engine K4M Connector R37 of the circuit between the engine harness and the injection system wiring harness is shown in the figure. Turn off the ignition. Disconnect the battery. Disconnect connector R37 of the circuit...

Electrical Wiring and Connectors
Engine K4M Disconnect the connectors: wiring harness from the air temperature sensor (12); ignition coil wiring harnesses (13); knock sensor (14); oil pressure sensor (15); air conditioning compressor (16);...

Timing belt (engine K4M)
Tightening torques for removing and installing the timing belt Attention: Be sure to replace the tensioner and idler pulleys along with the belt. Note: The method for removing and installing the timing belt for engines...

Timing chain (H4J engine)
Remove the engine assembly with the gearbox. Place the engine on the assembly and disassembly stand. Drain the engine oil. Loosen the water pump pulley bolts (1) by blocking the water pump pulley with a screwdriver....

Timing chain (M4R engine)
Tightening torques for removing and installing the timing chain Removal Remove the engine assembly with the gearbox. Place the engine on a stand for assembly and disassembly. Drain the oil from the engine. Remove the...

Cylinder head gasket for K4M engine
Place the vehicle on a two-post lift. Disconnect the battery. Remove the battery. Remove the top engine covers. Remove the engine oil pan guard. Remove the accessory drive belt. Remove the timing belt. Remove the front...

Cleaning the cylinder head of the K4M engine
Clean the mating surfaces by applying DECAPJOINT to them (or similar) to remove gasket residues from the mating surfaces of the oil pan and cylinder block. After applying the composition to the surface to be cleaned,...

Checking the mating surface of the cylinder head of the K4M engine
Using a feeler gauge, check the flatness of the cylinder head mating surface. Maximum permissible non-flatness: no more than 0.05 mm. Caution: Grinding of the cylinder head is not permitted. Centering the valve spring...

Removal valve springs of the K4M engine
To correctly compress the valve springs, it is necessary to center the plunger of the tool (Mot. 1502) on the valve stem. The valve spring plate must fit into the bore of the pressure sleeve of the device (Mot. 1502)....

Checking the height and tightness of the cylinder head of the K4M engine
Checking the cylinder head height Measure the height of the cylinder head. The height of the cylinder head is 137 mm. Checking the cylinder head for leaks Check the cylinder head for cracks using a special device....

Checking the diameters of the bearing journals and bearing holes of the camshafts of the K4M engine
Measure the diameter of the camshaft bearings. Camshaft journal diameter: necks No.1, 2, 3, 4, 5 - 24.97925 mm; neck No.6 - 27.979 - 28 mm. Measure the diameter of each camshaft bearing hole. Diameter of camshaft...

Checking the axial displacement of the camshafts of the K4M engine
Install the camshafts, ensuring they are positioned correctly, and the cylinder head cover. Tighten in the order shown in the figure to the required torque: cylinder head mounting bolts 13 -20-22-23 (8 Nm), cylinder...

Checking the valves of the K4M engine
The diameter D of the valve stem is measured at a distance X1. Inlet valves X1: = 75.14 ±0.35 mm, D = 5, 470 - 5,485 mm. Exhaust valves X1: = 77.5 ±0.35 mm, D = 5, 456 - 5.471 mm. Valve Test Scheme Valve head diameter...

Checking the clearance between the rods and the valve guides of the K4M engine
Checking the clearance between the valve stem and the valve guide is done in two ways. The first way. Raise the valve head by 25 mm, then measure the valve movement with an indicator in the direction of the arrows at an...

Checking the valve springs of the K4M engine
Check the spring deviation from the vertical, which should not exceed 1.2 mm. Check the spring calibration. Length of springs under load: under a load of 18 - 20 N the spring length is 34.50 mm; under a load of 56.3 -...

Assembly of the K4M engine main cylinder
Insert the valve into the cylinder head. Place the tip of the tool (Mot. 1511) on the valve stem (the inner diameter of the tip must be equal to the diameter of the rod). Keep the valve pressed against the seat....

Cylinder block and crankshaft of the K4M engine
Install the flywheel retainer (Mot. 582-01 or Mot. 1677). Remove the clutch housing and driven disc. Remove the flywheel. Remove the engine oil pan. Remove the timing belt tension roller. Remove the water pump. Remove...

Cleaning the lower part of the K4M engine
Clean: cylinder block; crankshaft; engine sump; front cover of the engine block; crankshaft main bearing caps.

Checking the mating surface of the K4M engine cylinder block
Check the non-flatness of the cylinder block mating surface using a straightedge and a set of feeler gauges; it should not exceed 0.03 mm.

Checking the diameter of the main bearing supports of the K4M engine crankshaft
Install the crankshaft main bearing caps, installing cap 1 on the flywheel side. Tighten in the order shown in the figure to the required torque (25 Nm + 47°±5°) and tighten the crankshaft main bearing cap bolts to the...

Checking the diameters of the main and connecting rod journals of the K4M engine
Checking the diameter of the main journals Check the diameter of the main journals. The diameter of the main journals should be within 47.990-48.010 mm. The order of tightening the bolts securing the crankshaft main...

Removal the piston pins of the K4M engine
Remove the piston rings with piston ring pliers. Install the piston assembly with the connecting rod on the prism of the device (Mot. 574-22). Align the piston pin with its outlet hole in the prism (1). Using a press,...

Checking the clearance between the piston rings and piston grooves of the K4M engine
Using a set of feeler gauges, check the gaps between the piston grooves and piston rings. Checking the clearance between the piston grooves and piston rings: 1 - feeler gauges; A - incorrect position of the probe; B -...

Checking clearances in the piston ring lock of the K4M engine
Install the piston ring into the cylinder. Push the piston ring to the middle of the cylinder using the piston. Measure the ring gap in the lock using a set of feeler gauges. Checking the gaps in the piston ring lock: 1...

Installation of cylinder injectors and piston bottom cooling for the K4M engine
Installing nozzles for cooling the piston bottom Fit the tool plate (2) (Mot. 1494) to the cylinder block without tightening the two mounting bolts. Install the jig into the plate (the end of the conductor should enter...

Direction of installation of main bearing shells of the crankshaft of the K4M engine
Install liners with grooves in all cylinder block beds. Install liners with grooves in main bearing caps 2 and 4, and liners without grooves in main bearing caps 1,3 and 5.

Installation of main bearing shells for K4M engine
Installing main bearing shells in the cylinder block bed Install the device on the block (Mot. 1493-01). Press the special tool until the insert contacts the tool plate. Installing liners in main bearing caps Install...

Checking the diametrical clearance of the crankshaft main journals and bearings of the K4M engine
Note: Do not rotate the crankshaft under any circumstances when checking the clearance. Remove any remaining oil from the main journals and cylinder block bearings. Install the crankshaft and crankshaft thrust half...

Checking the axial displacement of the crankshaft of the K4M engine
Install the crankshaft. Check for the presence of thrust half rings on the 3rd support (the grooves of the half rings must face the crankshaft cheeks). Note: The mating surfaces of the cylinder block and main bearing...

Installation of connecting rod bearing liners for the K4M engine
The engine is equipped with liners without a mustache. The liners are installed using a tool (Mot. 1492). Select the liner holder according to the engine model (the engine model is indicated on the bracket). Install the...

Assembly of connecting rods with pistons of the K4M engine
The piston pins are installed with tension in the upper heads of the connecting rods and rotate freely in the piston bosses. Use the kit (Mot. 574-22) and adaptation (Mot. 574-24). Visually check: condition of...

Preparation of piston pins for the K4M engine
Check that the piston pins rotate freely in the bosses of the corresponding new pistons. Use the centering mandrel C 13 and the mounting mandrel A13 from the kit (Mot. 574-22) for piston pins without flange. Use the...

Setting the position of the pistons in relation to the connecting rods of the K4M engine
The pistons are marked with a "V" mark on the head, which should be located on the flywheel side. Position the piston head with the "V" mark (1) facing up. Direct the connecting rod bearing retaining tab (2) downwards.

Assembly of the piston and connecting rod of the K4M engine
Install ring B10 (1) on the prism and the piston with support on the ring (oriented in the correct position) and fasten all the parts with a clamp (2). Make sure the piston pin hole is aligned with the B10 ring hole....

Installing piston rings for the K4M engine
Piston rings are matched to the piston and must move freely in the piston grooves. Observe the direction of installation of the rings (the TOR mark is pointing upwards). Observe the position of the lock of each ring.

Assembly of the lower part of the K4M engine
Lubricate the tops of the cylinders and the crankshaft journals with engine oil. Install the pistons and connecting rods together using the tool. Install the crankshaft connecting rods. Install the connecting rod caps....

Installation of crankshaft seals for the K4M engine
Press in the rear crankshaft oil seal with a drift (Mot. 1129-01). Press in the front crankshaft oil seal using a drift (Mot. 1385). Install the flywheel with new mounting bolts. Install the flywheel retainer (Mot....

Installing the cylinder head gasket for the K4M engine
Install a new cylinder head gasket. Install the cylinder head. Tighten the cylinder head bolts. Refill the hydraulic lifters, as the hydraulic fluid may leak from the lifters if they are not used for a long time. To...

Tightening procedure for K4M engine
Tighten in the order shown to the specified torque: mounting bolts 22, 23, 20, 13 of the cylinder head cover (80 Nm); bolts 1-12, 14-19, 21-24 for fastening the cylinder head cover (120 Nm). Loosen bolts 22, 23, 20, 13...

Replacement of camshaft seals of the K4M engine
Elastic camshaft oil seals are used in two versions; the first version has a spring (1) and a V-shaped working edge (2). In the second version, the seal has a flat working edge (1) and a safety sleeve (2), which also...

Installation of camshaft seals for intake and exhaust valves of the K4M engine
Installation of the first version of the intake camshaft seals Install the seals using the tool (Mot. 1491) (1) and old nuts (2). Installing the exhaust camshaft oil seal Caution: Always hold the seal by the protective...

Cover of the main cylinder head of engines H4J, M4R
Remove: air intake duct; ignition coils; spark plugs. Remove: mounting bolt (1) of the ignition and injection system wiring harness connector holder; holder (2) of connectors of the wiring harness of the ignition and...

Timing belt pulleys for H4J and M4R engines
Remove the exhaust camshaft gear (3) using a flat wrench and a ratchet. Remove the intake camshaft phase adjuster (4) using a flat wrench and a ratchet wrench. Replace: exhaust camshaft timing pulley mounting bolt;...

Camshafts for H4J and M4R engines
Loosen the camshaft housing mounting bolts. Separate the camshaft housing using the housing separator with silicone seals (Mot. 1716) (3). Remove the camshaft housing (4). Remove the camshafts (5) and rocker arm shafts....

Checking the camshafts of H4J and M4R engines
Clean the camshafts with cleaner and dry them with a compressed air gun. Make sure that the camshaft surfaces are free of scratches, impact marks and excessive wear (replace the camshaft if necessary). The camshaft has...

Color coding of camshafts of H4J and M4R engines
H4J Engine: bearing journal No.1: 27.04 - 27.06 mm, bearing journals No.2, 3, 4 and 5: 24.95 -24.97 mm. Place the camshaft on two lightly oiled V-shaped shoes. Using a micrometer, measure the cam height (H). M4R Engine:...

Valve mechanism of H4J and M4R engines
Mark the position of the valve lifters relative to the cylinder block using a permanent pencil. Remove the valve lifters, maintaining their original installation position. Compress the valve springs using the valve...

Checking the valve of H4J and M4R engines
M4R Engine Engine H4J

Valve dimensions of H4J and M4R engines
Measure with a micrometer: diameter (d) of valve stems; valve length (L). M4R Engine Engine H4J

Checking the clearance between the valve stem and the valve guide of the H4J and M4R engines
Using a micrometer, measure the inside diameter (1) of the valve guide and the outside diameter (2) of the valve stem. Calculate the actual clearance, which should be equal to the value of the inner diameter of the...

Valve spring designation for H4J and M4R engines
The springs of the exhaust and exhaust valves are distinguished by color markings. M4R Engine: green mark - intake valve springs; purple mark - exhaust valve springs. H4J Engine: yellow mark - intake valve spring; white...

Checking the wear of valve springs on H4J and M4R engines
Length of springs in free state. M4R Engine: intake valves: 45.59 - 45.96 mm; exhaust valves: 45.13 - 45.40 mm. H4J Engine: intake valves: 46.73 mm; exhaust valves: 54.3 mm. Check the wear of the springs using a...

Checking the perpendicularity of the springs of the H4J and M4R engines
Install the valve spring (3) and bracket (4) on the repair stand. Using a feeler gauge, check that the gap (X2) is less than 1.9 mm (for M4R engine) and 1.8 mm (for engine H4J).

Checking clearances in the valve drive mechanism of H4J and M4R engines
Turn the camshaft so that the cam being tested points upward. Using a set of feeler gauges, measure the clearance in the valve drive mechanism, which should be (on a cold engine): inlet valves: 0.26 - 0.34 mm; exhaust...

Pushrod class of engines H4J and M4R
Note: The repair kit includes solid tappets of 26 classes with a thickness of 3.00 mm - 3.50 mm in 0.02 mm increments. The pusher class is indicated on its inner side.

Oil pan for H4J and M4R engines
Remove the engine oil pan guard. Drain the oil from the engine. Loosen the engine oil pan mounting bolts in the order shown. Remove the engine oil sump using the crankcase separator with silicone seals (Mot. 1716)....

Crankshaft pulley for H4J and M4R engines
Install the crankshaft pulley lock (Mot. 1789) (1) to lock it. Tighten the retainer mounting bolt (2) on the cylinder block. Loosen the crankshaft pulley mounting bolt (3) and the crankshaft pulley retainer mounting...

Marking of the cylinder block of engines H4J and M4R
Cylinder block marking: A - new cylinder block; B — cylinder block for aggregate replacement; 1 — class by cylinder diameter No.1; 2 — class by cylinder diameter No.2; 3 — class by cylinder diameter No.3; 4 — class by...

Crankshaft and cylinder bearing diameter class for H4J and M4R engines
M4R Engine Engine H4J Cylinder diameter classes M4R Engine

Checking the mating surface of the cylinder block of H4J and M4R engines
Check the degree of deformation of the mating surface using a cylinder head flatness check ruler and a set of feeler gauges. Maximum permissible non-flatness: 0.1 mm per 100 mm of length.

Checking the diameter of the crankshaft bearings
Install the crankshaft main bearing caps, installing cap No.1 on the timing drive side. Measure the diameter (X1) of the crankshaft bearings using a micrometer. The diameter value should be between 55.997-56.017 mm (for...

Checking the diameters, ovality and taper of cylinders of H4J and M4R engines
Using an indicator, measure the diameter (D1) of the block cylinders at 45° intervals (by 4 diagonals) at three levels (N1), (N₂) and (N3): at a depth of 10 mm, 60 mm and 120 mm from the mating surface of the cylinder...

Crankshaft of H4J and M4R engines
Mark the crankshaft main bearing caps with a permanent pencil if necessary (bearing #1 is on the timing drive side). Remove: crankshaft main bearing cap fastening bolts; crankshaft main bearing caps. Remove the...

Crankshaft markings for H4J and M4R engines
Crankshaft marking: 1 — crank pin diameter class No.1; 2 — crank pin diameter class No.2; 3 — crank pin diameter class No.3; 4 — crank pin diameter class No.4; 5 — class of main journal diameter No.1; 6 — class of main...

Table of classes of diameters of main and connecting rod journals of H4J and M4R engines
Table of main journal diameter classes M4R Engine Engine H4J Table of crank pin diameter classes M4R Engine Engine H4J

Checking the diameter of the main and connecting rod journals of the crankshaft of H4J and M4R engines
Checking the diameter of the crankshaft main journals Use a micrometer to measure the diameter (in the center of the seat) crankshaft main journals, which should be 51.959 - 51.979 mm (for M4R engine) and 47.959 -...

H4J and M4R Engine Bearing Selection Tables
M4R Engine, Main Bearing Shell Selection Table (supports 1, 4 and 5) M4R Engine, Main Bearing Shell Selection Table (supports 2 and 3) M4R Engine, Main Bearing Class Table M4R Engine, Connecting Rod Bearings Selection...

Checking the diametrical clearance between the crankshaft main journals and bearings of H4J and M4R engines
Note: Do not rotate the crankshaft while performing this check. Remove any remaining oil from the main journals and crankshaft bearings on the cylinder block. Install without lubrication: crankshaft main bearing shells...

Checking the thickness of the adjusting half rings of the crankshaft of H4J and M4R engines
Using a micrometer, measure the thickness of the adjusting half rings (13), which should be 2.17-2.20 mm (for M4R engine) and 1.90-2.40 mm (for engine H4J).

Checking the axial runout of the crankshaft of H4J and M4R engines
Install: crankshaft main bearing shells in the cylinder block; crankshaft main bearing cap bearing shells. Note: Lubricate the surfaces of the crankshaft main bearing shells that contact the crankshaft. Apply grease to...

Crankshaft seals for H4J and M4R engines
Crankshaft oil seal flywheel side Remove the crankshaft oil seal (1) using a screwdriver and a wooden block, being careful not to damage the crankshaft seating surface. Degrease and clean the crankshaft mating surface...

Removal the piston-connecting rod assembly of H4J and M4R engines
Caution: Do not use a punch or engraving tool to mark cylinder affiliation on caps and connecting rods, as this may cause the connecting rod to begin to fail. Use a permanent pencil. Mark the position of the connecting...

Removal piston rings of H4J and M4R engines
Note: This operation should only be performed when replacing or checking piston rings. Remove the piston rings using piston ring pliers. Note: Be careful not to damage the piston when removing the rings. Do not spread...

Piston-connecting rod block of H4J and M4R engines
Disassembly Note: These steps should only be performed when replacing or inspecting the connecting rod or piston. Mark the position of the piston relative to the cylinder using a permanent pencil. Remove the retaining...

Installing piston rings for H4J and M4R engines
Note: Observe the position of the piston rings when installing them (with the mark up). If there is no mark on the piston ring, it can be installed in any position. Install the piston rings using piston ring pliers....

Installing connecting rod bearing shells for H4J and M4R engines
When replacing the crankshaft, connecting rods, and connecting rod bearing liners, it is necessary to determine the thickness class of the bearing liners installed in the connecting rods. Degrease the mating surfaces...

Installation of the piston-connecting rod block of H4J and M4R engines
Apply motor oil: into the cylinders; piston skirts; on the connecting rod journals of the crankshaft. Make sure the piston rings are properly seated in the piston grooves. Install the piston in the installation tool...

Checking the length of the piston pin of the H4J and M4R engines
Before checking, make sure that the piston pin rotates freely in the piston. Using a micrometer, measure the outside diameter of the piston pin (D), which should be 19.989-19.995 mm.

Piston to piston pin clearance for H4J and M4R engines
Using a micrometer, measure the inside diameter of the piston. Piston markings: 1 - piston identification code; 2 — direction of piston installation; 3 — piston pin diameter class; 4 — piston class by diameter. The...

Clearance between piston pin and connecting rod upper head of H4J and M4R engines
Using a micrometer, measure the inside diameter of the connecting rod upper head. The inner diameter of the connecting rod upper head should be within 20.000-20.012 mm (for M4R engine) and 20,000 - 20.06 mm (for engine...

Checking the piston skirt diameter of H4J and M4R engines
Using a micrometer, measure the piston diameter (X1) by dimension (X2) = 39.9 mm. M4R Engine Engine H4J Checking the clearance between the piston grooves and piston rings A: Incorrect position of the probe. B: Correct...

Checking the gap in the piston ring lock of H4J and M4R engines
Install the ring to be tested (7) into the cylinder. Push the piston ring (7) to the middle of the cylinder using the piston (8). Using a set of feeler gauges (9), measure the gap of the ring in the lock. M4R Engine:...

Connecting rod markings for H4J and M4R engines
Connecting rods with a split shear lower head are used. Note: The connecting rod upper head bushings are not replaceable. Connecting rod marking: 1 - used only by the factory; 2 — cylinder number; 3 — class of the lower...

Checking the bore diameters in the upper and lower connecting rod heads of H4J and M4R engines
Measure with a micrometer: connecting rod lower head diameter (10); connecting rod upper head diameter. The diameter of the upper connecting rod head should be within 20.000-20.012 mm. Note: The connecting rod upper...

Checking the diametrical clearance between the crankshaft main journals and bearings of H4J and M4R engines
Cut several pieces of calibrated wire to measure the diametrical gap. Place the calibrated wire (11) along the axis of the crankshaft connecting rod journals (outside the area of the lubrication holes for the supports)....

This section is available on: russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

Share with friends:

Other sections on other Renault models

➽ Power unit: Engine repair Renault Logan 1 (2004-2012, petrol)
➽ Power unit: Engine repair Renault Symbol 1 (1999-2008, petrol)
➽ Power unit: Engine repair Renault Sandero 1 (2007-2012, petrol)
➽ Power unit: Engine repair Renault Espace I and II (1984-1996)
➽ Power unit: Engine repair Renault Laguna 2 (2001-2007)
➽ Power unit: Engine repair Renault Megan 2 (2002-2009, petrol)

Link to this section in different formats

TEXTHTMLBB Code