Renault magnum service manual

Remove plugs 1. Line up the marks made upon removal. If necessary. Clean after the operation. Take the protections off the connectors 1 Plug in connectors 1. The connectors 1 for AdBlue heating pipes are identified by a colour code 2. Ensure the marking. Plug in connector 2. Fit new clamps 1. Start the engine. Check for leaks. Fit new bolts M8 x Remove electrovalve 2. Disengage the heating resistors. Fit a new lip seal 1.

Fit new clips 1. Fit the solenoid valve 2. Fit bolts 1. Remove bolts M8 x Test for leaks. Fit AdBlue pump module. Remove sensor 2. Fit sensor 2. Adjust the pressure using tool The pressure should be between 0. The pressure must not drop by any significant amount for 60 seconds. Drop the pressure. With the engine running: - Inspect all the pipes and unions. During operation, the circuit is pressurized. Check for any leaks. Disconnect pipes 2. Tighten nuts 1. Remove solenoid valve 2.

Fit washers. Top up if necessary. The tightening precision class defines the tolerance of this torque in percent as a function of the nominal torque applied. For standard threaded hardware indicated in the table below, use tightening class III.

For other torques, see the following page s. If locknuts DRH, FIH or other are re-used, make absolutely certain that the screw-thread of the bolt protrudes least two threads above the top edge of the nut.

Standard nut and bolt tightening torques table The tightening torque values given in the table are based on standard Tightening torque values in Nm for conventional "metric system" threaded hardware based on standard Mark and disconnect pipes 2. Loosen clamp 1. Connect pipes 1. Check the coolant system level. Disengage wiring harness 2. Remove nuts 1. Remove control unit 2.

Unscrew union 1 while holding insert 2. So as to not damage the sensor, it must be removed and placed perfectly in the axis of its housing until it is taken out or fully installed. Fit nuts 1. Screw up union 1. Fit new clamps. Depending on equipment Fit insert 1. Screw on union 1 while holding insert 2. Install wiring harness 2. Follow the routing of the wiring harness, mark its position and cut the securing clamps.

Disengage wiring harness. Depending on equipment Remove guard. Fit the wiring harness. When the engine is hot, the AdBlue circuit reaches a high temperature that may lead to risks of burns: take all necessary precautions when working on the vehicle. Protect the connector. Depending on equipment Remove sensor 3.

Remove injector 2. Protect the injector 1. Fit injector 2. Depending on equipment Fit sensor 3. Take the protection off connector 2. The diameters of the pipe unions are different. There is no possibility for inversion. Remove guard 2. Fit guard 2. Fit heat-resistant clamps 1. Remove lip seal. Take care to not damage the crankshaft contact face of the seal during extraction.

Mount tool Check that the tool is correctly placed on the locating dowel before tightening the bolts. It is essential to hold the seal to the ring until it is finally installed in the case. Do not apply grease to the lips. Any gasket that has been removed from its ring must not be re-used. Fit protective ring 1 to tool Drive in seal as far as abutment.

Withdraw tool Fit flywheel. Remove engine speed sensor 2. Retain the flywheel against motion using tool Remove flywheel 2. Ring gear Disassembly Remove ring gear. Check the temperature at 3 points A. Wear heat-resistant gloves for protection. Fitting Clean the contact faces thoroughly. To fit, proceed in the reverse sequence to removal. Tighten bolts 1 to torque following the tightening sequence.

Check the air gap. Fit pilot bearing 1. Make pilot bearing 1 flush with its housing. Note down the value. If the measured value is higher than the Manufacturer's value, see page s. Remove the engine flywheel.

Clean the contact faces thoroughly. Mark the bolt head with an indentation A after tightening each time using a centre punch. In this case, apply engine oil to the screw-threads and under the bolt heads. Do not apply engine oil to new bolts, which are already pre-lubricated.

The item numbers indicate the tightening sequence. Model B. See illustration opposite. Models A and B. Remove damper. Remove the oil sump. Remove securing nuts and bolts 1. Remove casing 2. Model: A If it has, it is essential to replace the seal and the crankcase. The seal is supplied fitted to a protective ring. Any seal that has been removed from its ring must not be re-used. Tighten bolts to torque. Fit bolts 1 in locations A.

Use 2 headless screws 1 diameter: M8 mm, length: 50 mm. Apply a bead of sealing compound to the gearbox casing joint face. Apply " ". Push the casing 1 as far as abutment.

Withdraw protective ring 1. Start bolts 1. Remove headless bolts 2. Fit the oil sump. Fit damper. Model: B Install tool Fit bolts 2. Start bolts 2. Remove headless bolts 3. Tighten bolts 1 - 2 to torque. Clean and carefully inspect the contact faces of seal 1.

Position protective ring 2 on crankshaft 3. Withdraw protective ring 3. Using tool , bring tool into abutment against the crankshaft so as to position seal 1 correctly in its housing. When fitting a model B casing already fitted with a gasket, follow the same procedure as for fitting a model A casing. Perform assembly within 20 minutes of application of the silicone.

Remove the cylinder head. Install tool During the reciprocating gear removal operation, carefully mark the position of installation of each part, and more particularly the connecting rod bearing half-shells and caps. Remove bolts A.

Remove oil strainer B. Remove tube C. Loosen bolts 1 proceeding in the reverse sequence to tightening. Remove seals A. Remove cylinder block stiffener 2. Oil jets Remove bolts 3. Remove oil jets 4. Check for the presence of marks on the connecting rod.

Remove connecting rod caps 6. Remove bearing half-shells 7. If necessary, remove the scale from the top of the liner. Piston rings Adjust the gap of grips on tool A according to the diameter of piston. Remove spigot Remove piston Liners The O-rings for cylinder liners are made from fluoride rubber.

Hydrofluoric acid is highly corrosive! Pay utmost attention when working on engines that may have been subjected to elevated temperatures, e. Under no circumstances should cylinder liner O-rings be burnt after disassembly or incinerated under non-controlled conditions. Even the ashes may still be extremely corrosive.

Remove gaskets 16 - 17 - Crankshaft Remove crankshaft front seal casing. Remove flywheel. Remove oil pump. Remove bearing caps 20 - Remove bearing half-shells Remove half-rings Remove crankshaft Liners Clean the contact faces thoroughly. Install the liners without seals. Immobilize liners. Check the protrusion of the liners. Calculate the average value of the 2 readings. For values, see "Technical data" chapter. Install seals 16 - 17 - O-rings 16 - 17 - 18 are to be fitted dry and the exposed part then greased.

Lubricate the seals with the product supplied. Fit liners Use a cylinder head bolt A. Crankshaft Clean the contact faces thoroughly.

Fit bearing half-shells Match the direction of orientation. Line up the lubrication holes. Apply oil engine oil to the inner faces of bearing half-shells 22 when installing them. Do not apply oil to the support face. Fit crankshaft Apply oil engine oil to the inner faces of bearing half-shells 21 when installing them. Lubricate thrust half-rings Use engine oil. Install thrust half-rings Check for the presence of dowel Position thrust half-rings 23 on bearing cap Fit bearing cap 27 complete with thrust half-rings Check that dowel 26 is properly engaged in its housing.

The numbers marked on the bearing caps must be positioned at the oil cooler casing end. Check that the crankshaft rotates freely by turning it by hand. Correct, if necessary. Assemble pistons 13 and connecting rods 14 with gudgeon pins Install circlips Adjust the gap of grips on tool A according to the diameter of piston. Use tool A. The piston ring joint gaps must be staggered in relation to one another. Use a protective device.

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