Diesel car engine Peugeot 406

Diesel engines — general information about repair
This subsection describes repair operations that can be performed on the engine installed in the vehicle. If repairs are performed on an engine that has already been removed, the removal operations can be ignored....

Technical characteristics of diesel engines
General information Designation: – 1.9 liters (engine 1905 cm³) XUD9 – 2.1 liters (2088 cm³ engine) XUD11 Engine codes*: – 1.9 liter engine DHX (XUD9BTF/Y/L3) – 2.1 liter engine P8C (XUD11BTE/Y/L/L3) Cylinder diameter:...

Checking the compression pressure (compression)
The value of compression pressure shows, in most cases, how worn the cylinder-piston group of the engine is. To measure compression pressure, a compression tester for diesel engines with a maximum reading of at least 30...

Installation of the valve timing mechanism
Timing mechanism locking tool All models have alignment holes in the camshaft pulley, fuel pump pulley and flywheel. The alignment holes are used to position the crankshaft, camshaft and fuel pump to prevent piston and...

Cylinder Head Cover — Removal and Installation
Removal 1.9 liter engine models 1. Disconnect the ventilation hose from the front of the head and remove the air filter pipe. 2. Unscrew the fuel supply hose bracket mounting bolt on the right side of the head. 3....

Crankshaft pulley — removal and installation
Removal 1. Remove the auxiliary drive belt. 2. To prevent the engine crankshaft from turning, an assistant should engage fourth gear and press the foot brake all the way or remove the starter and secure the flywheel...

Timing Belt Cover — Removal and Installation
Removal Engines 1.9 liters Upper front casing 1. Unscrew the mounting screw and remove the casing from the engine. Upper rear casing 2. Remove the front cover, unscrew the mounting bolts and remove the rear cover. Lower...

Timing Belt — Removal, Checking and Installation
Removal the timing belt (1.9 liter engines) 8. Square holes 10mm; 9, 10, 11. Timing mechanism mounting bolts; 12. Tensioner pivot point mounting nut; 13. Tensioner mechanism fixing bolt The timing belt drives the...

Camshaft Pulley — Removal and Installation
Removal 1. Remove the timing belt. 2. Unscrew the camshaft pulley mounting bolt. To prevent the camshaft from turning, use a special pulley locking tool (or, on 1.9 liter engines, remove the head cover and hold the...

Crankshaft pulley — removal and installation
Removal 1. Remove the timing belt. 2. Remove the pulley from the crankshaft. 3. Remove the woodruff key from the crankshaft. 4. Check the crankshaft sealing ring for leaks and replace if necessary. Installation 1....

High pressure fuel pump pulley
Removal 1. Remove the timing belt. 2. Remove the 8mm mounting bolts securing the fuel pump pulley from turning. 3. On some models, the pulley may be equipped with a puller, which consists of a plate bolted to the...

Right engine mount and timing belt tensioner
The timing belt tensioning mechanism, consisting of a spring and a plunger, is located in the right suspension of the unit, which is bolted to the end of the engine. Right engine mount Removal 1. Before removing the...

Timing Belt Guide Roller — Removal and Installation
Removal Engines 1.9 liters 1. Remove the auxiliary drive belt. 2. Align the mounting holes in the camshaft pulley, fuel pump pulley and flywheel and secure them with bolts and rods. 3. Loosen the timing belt tensioner...

Camshaft and tappets — removal, inspection and installation
Removal Engines 1.9 liters 1. Remove the cylinder head cover. 2. Remove the pulley from the camshaft. 3. Remove the brake vacuum pump. 4. The camshaft bearing caps are numbered on the flywheel side (arrow). If the caps...

Checking and adjusting valve clearances
Calculating the thickness of the valve adjusting shim A. Inlet valve; E. Exhaust valve 1. Measured gap; 2. Difference between 1 and 3; 3. Normal clearance; 4. Thickness of the installed adjusting shim; 5. Calculated...

Removal and installation the cylinder head (1.9 l engines)
Please note: On 2.1 liter engines, due to limited access in the engine compartment, the engine must be removed to remove the cylinder head. Cylinder head bolt tightening sequence Removal 1. Disconnect the negative...

Selecting a Cylinder Head Gasket
Piston protrusion Identification of gasket by thickness From 0.54 to 0.65 mm 1 cut From 0.65 to 0.77 mm 2 cuts From 0.77 to 0.82 mm 3 cuts 1. Check that the toothed belt is removed from the high-pressure fuel pump...

Checking the cylinder head bolts
1. It is recommended to replace the cylinder head mounting bolts each time the head is removed. 2. Measure the length of the bolt from the base of the bolt head to the end of the bolt and compare it with the required...

Oil pan — removal and installation
Removal 1. Disconnect the negative terminal from the battery. 2. Lock the rear wheels, lift the front of the car and secure it on stands. 3. Drain the engine oil. 4. If present, remove the connector from the oil...

Oil pump — removal, inspection and installation
Removal 1. Remove the oil pan. 2. Remove the two mounting screws and remove the sprocket cover from the front of the oil pump. 3. Unscrew the three bolts securing the oil pump to the cylinder block. Remove the chain...

Right crankshaft seal ring
1. Remove the crankshaft pulley. 2. Measure the installation depth of the sealing ring. 3. Remove the sealing ring using a special tool. Alternatively, drill two small holes in the end of the sealing ring, screw in two...

Left crankshaft seal ring
1. Remove the flywheel and clutch. 2. Measure the installation depth of the sealing ring. Remove the sealing ring using a special tool. Alternatively, drill two small holes in the end of the sealing ring, screw in two...

Camshaft sealing rings
Right sealing ring 1. Remove the camshaft pulley. 2. Remove the sealing ring using a special tool. Alternatively, drill two small holes in the end of the sealing ring, screw in two self-tapping screws and use pliers to...

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➨ Power unit: Diesel engines «XUD» Peugeot Partner I (1996-2008)

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