Models with 1.4 and 1.6 l engines
Note: The engine and gearbox are removed from the engine compartment upwards and then separated.
Removal
1. Disconnect the ground cable from the battery.
Warning: If the car radio in your car is coded, make sure you know the code before disconnecting the battery.
2. Remove the radiator as described in Chapter Cooling and heating system. Also disconnect the upper hose from the thermostat housing and the lower hose from the coolant pipe (refer to the accompanying illustration).
3. Drain the transmission oil as described in Chapter Transmission (refer to the accompanying illustration).
4. If necessary, drain the engine oil as described in Chapter Maintenance.
5. Remove the hood as described in Chapter Body.
6. Where applicable, remove the reinforcement rod between the front suspension strut domes.
7. Remove the air cleaner assembly as described in Chapter Power supply and exhaust systems.
8. Set the handbrake, then jack up the front of the car and support it on axle stands. Remove the front wheels and wheel arch liners. Where fitted, remove the engine undershield.
9. Remove the nut from the left end of the tie rod and disconnect it from the steering knuckle arm (refer to the accompanying illustration).
10. Remove the three bolts securing the left drive shaft inner rubber boot and the metal ring to the transmission.
11a. Remove the two mounting bolts securing the left brake caliper to the steering knuckle.
11b. Remove the left brake caliper.
11c. Disconnect the wiring from the pad wear sensor. Tie the caliper to the suspension spring (refer to the illustrations).
12. Loosen and remove the tie bolt securing the ball joint of the left lower arm to the steering knuckle (refer to the accompanying illustration).
13a. Unscrew the nuts (please note that the nuts are on the back of the casing).
13b. Loosen and remove both bolts securing the left suspension strut to the steering knuckle (refer to the illustrations).
14. Lower the lower suspension arm down, then separate the drive shaft from the differential drive wheel and remove it together with the steering knuckle (refer to the accompanying illustration).
15a. Pin securing right drive shaft to differential drive wheel shaft.
15b. Working under the vehicle, knock out the pin (refer to the illustrations).
16. Remove the nut from the right tie rod end and disconnect it from the steering knuckle arm.
17. Loosen and remove the upper bolt securing the right suspension strut to the steering knuckle (note that the nut is on the back). Then loosen up (but don't take it off) lower bolt.
18. Pull the drive shaft towards you and disconnect its inner end from the slots on the differential drive wheel shaft. Tie the drive shaft to the steering gear.
19. Remove the exhaust pipe and catalytic converter as described in Chapter Power and exhaust systems.
20a. Remove the screws and plastic cover from the base of the transmission.
20b. Then mark the position of the gear selector rod on the fork in the transmission.
20s. Then loosen the clamp bolt and separate the rod (refer to the illustrations).
21. Where equipped, separate the power steering hydraulic lines from the transmission.
22a. Pull out the spring clip.
22b. Remove the vehicle speed sensor from the rear of the transmission (refer to the illustrations).
23. Disconnect the wiring from the reverse light switch on the transmission (refer to the accompanying illustration).
24. On models without air conditioning, remove the power steering pump and reservoir from the engine as described in Chapter Suspension and steering, but do not disconnect the hydraulic lines. Move the pump to the side (refer to the accompanying illustration).
25. On models with air conditioning, remove the power steering pump pulley and move the air conditioning pump and compressor to the side, leaving the hoses attached.
26. Disconnect the accelerator pedal cable from the throttle body (refer to Chapter Power and exhaust systems).
27. Disconnect the clutch cable from the transmission as described in Chapter Clutch.
28. Disconnect the remaining hoses from the thermostat housing and/or coolant pipe (where is available) on the left side of the engine (expansion tank hose and heater hoses) (refer to the accompanying illustration).
29. Unscrew the expansion tank and tie it to the left side of the engine compartment.
30a. Remove the top and side covers from the relay box on the left side of the engine compartment.
30b. Then release the relay board and wiring ties and place the wiring on the engine (refer to the illustrations).
31. Disconnect the wiring from the radiator fan and thermal switch.
32. Disconnect the manifold pressure sensor hose from the intake manifold.
33. Disconnect the manifold pressure sensor hose from the intake manifold and disconnect the sensor wiring.
34. Remove the mounting nuts and the ECU from the right side of the engine compartment. Tie the unit to the top of the engine to prevent damage.
35. Loosen the clamps and disconnect the fuel feed and return hoses from the throttle body or fuel rail.
36. Unscrew the ground cable from the bulkhead.
37. Disconnect the carbon canister hose from the solenoid valve on the intake manifold.
38. Disconnect the wiring from the ignition amplifier unit on the bulkhead or from the ignition coil on the cylinder head.
39. Disconnect the starter power cable from the battery. To do this, remove the battery (Chapter Engine electrical equipment) and disconnect the wiring in the connector block, then release the cable from the cover/sealing ring in the engine compartment bulkhead panel. Also disconnect the fuel injection system feed wire. On Scenic models, unscrew the additional fuse box in the engine compartment and move it to the side.
40. Remove the lower front engine/transmission mount nuts and remove the connecting plate from the right support.
41. Attach the winch to the engine mounting eyes and lift the engine slightly.
42. Remove the bracket bolts and pinch bolt from the rear engine/transmission mount. Raise the assembly slightly and remove the rear mount bracket.
43. With the help of an assistant, slowly lift the engine/transmission assembly out of the engine bay, being careful not to damage surrounding components. When the unit is high enough, slide it forward and lower it to the floor.
44a. Disconnect the wiring from the starter.
44b. Disconnect the ground cable from the cylinder block.
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44s. Disconnect the cable holder from the transmission.
44d. Unscrew the front lower nut.
44e. Remove the upper transmission-to-engine mounting bolt. Mark the position of the cable retainer.
44f. Place supports and remove the upper transmission-to-engine mounting bolts.
44g. Loosen the nuts securing the transmission to the engine.
Models with 2.0L engines
Note: The engine and gearbox are lowered down from the engine compartment and then separated.
Removal
1. Perform the preliminary steps described in paragraphs 1-23 above. Remove the left and right front wheel arch liners.
2. On models with air conditioning, disconnect the wiring from the pressure sensor and from the compressor.
3. Where applicable, disconnect the power steering pressure sensor.
4. Disconnect the accelerator pedal cable from the throttle body (refer to Chapter Power and exhaust systems).
5. Disconnect the clutch cable from the transmission as described in Chapter Clutch.
6. Disconnect the heater hoses from the heater heat exchanger pipes on the bulkhead.
7. Disconnect the remaining coolant hoses from the thermostat housing.
8. Disconnect the cooling system hoses and unscrew the expansion tank, then tie it to the left side of the engine compartment.
9. Remove the top and side covers from the relay box on the left side of the engine compartment, then release the relay board and wiring ties and place the wiring on the engine.
10. Disconnect the wiring from the radiator fan and thermal switch.
11. Disconnect the brake booster unit hose from the inlet manifold.
12. Disconnect the manifold pressure sensor hose from the intake manifold and disconnect the sensor wiring.
13. Loosen the mounting nuts and remove the engine control unit from the right side of the engine compartment. Tie the control unit to the top of the engine.
14. Loosen the clamps and disconnect the fuel feed and return hoses from the fuel rail. On F7R engines, release the hoses from the clamps on the center outer timing belt cover.
15. Unscrew the ground cable from the bulkhead.
16. Disconnect the carbon canister hose from the solenoid valve on the intake manifold.
17. Disconnect the wiring from the ignition coils on the cylinder head.
18. Disconnect the starter power cable from the battery. To do this, remove the battery (Chapter Engine electrical equipment) and disconnect the wiring in the connector block, then release the cable from the cover/o-ring in the engine compartment bulkhead panel. Also disconnect the fuel injection system feed wire. On Scenic models, unscrew the additional fuse box in the engine compartment and move it to the side.
19. Remove the auxiliary belt.
20. Remove the pulley from the power steering pump as described in Chapter Suspension and steering.
21. Remove the three power steering pump mounting bolts, where applicable, the four air conditioning compressor mounting bolts, move the pump and compressor aside without disconnecting the pipes.
22. Release the A/C low pressure line from the lower engine/transmission mount.
23. Loosen the right and left front engine/transmission mount nuts.
24. Attach the winch to the engine mounting eyes and lift the engine slightly.
25. Turn away (but don't take it off) nut from the rear engine/transmission mount rear linkage bolt, then loosen and remove the front linkage bolt. Also loosen the rear mount bracket from the transmission.
26. Set the steering gear to the straight ahead position, then loosen and remove the eccentric bolt securing the steering column base to the steering gear and separate the steering column from the steering gear.
Caution! On models with a driver's airbag, it is important not to damage the circular switch of the airbag below the steering wheel. Before removing the steering column, the steering wheel must be locked using a special tool.
27. Loosen the four bolts securing the subframe to the bottom at the corners of the subframe so that the subframe drops 10 mm from the bottom.
28. Loosen the bolts securing the two reinforcing brackets to the bottom.
29. Loosen the steering gear mounting bolts as much as possible. The two reinforcing brackets must be left in their working position.
30. Unscrew the holders securing the steering gear hydraulic system pipe to the subframe.
31. Remove the mounting bolts and tie the steering gear as high as possible from the subframe.
32. Remove the bolts and heat shields from underneath the gear shift lever, then unhook the return spring from the gear shift rod.
33. Turn the rod back and secure it in this position.
34. Remove the sound signal.
35. Remove the crankshaft speed/position sensor, disconnect the wiring and release it from the subframe.
36. Prepare a trolley with wooden blocks to support the subframe and check that the engine/transmission assembly is securely supported. Renault mechanics use a special trolley (Mot. 1040-01) and supporting tools Mot. 1159 and Mot. 1159-02.
37. Remove the bolts securing the subframe to the underbody, noting the location of the spacers and washers. Don't forget to remove the bolts securing the power steering tube to the subframe.
38. Raise the car body, then release the handbrake and move the car backwards. Then lower the car to the ground and set the handbrake.
39. Once again, ensure that all components that may interfere with removal of the engine/transmission assembly have been removed or separated. Remove the assembly from the subframe.
Installation
1. Install in the reverse order, tightening all nuts and bolts to the torque specified in the Specifications. On 2.0L models, when securing the subframe to the underbody, screw 100mm long rods into the nuts to adjust the bolt hole positions. With the front of the subframe aligned, insert the rear bolts, then remove the rods and insert the front bolts. Refer to Chapter 10 for connecting the steering column to the steering gear Suspension and steering. Bring the fluid level in the power steering hydraulic system to the normal level. Fill the engine with oil and the cooling system with coolant as described in Chapter Transmission. Before performing a test drive, press the brake pedal several times to bring the brake pads to their normal position.