Gasoline car engine Peugeot 406

Gasoline engines — general repair information
This section describes the repair operations that can be performed on the engine installed in the vehicle. If an already removed engine is being repaired, the dismantling operations may be ignored. Description of the ZU...

Specifications of gasoline engines
Engine Designation: – 1.6 liter engine (1580 cm 3 ) XU5 – 1.8 liter engine (1761 cm 3 ) XU7 – 2.0 liter engine (1998 cm 3 ) XU10 Engine codes: – 1.6 liters BFZ (XU5 JP/Z/L L3) – 1.8 liters LFY (XU7 JP4/Z/L/L3) – 2.0...

Compression pressure test (compression)
Checking the condition of the engine can be done by measuring the compression pressure in the cylinders. If this check is carried out regularly, it is possible to know in advance the beginning of engine wear, without...

Installation of the gas distribution mechanism
Camshaft and crankshaft pulley fixing rods (1.8 and 2.0 liter engines) 1. Camshaft pulley fixing rods 2. Rods for fixing the crankshaft pulleys 1. Align the holes in the camshaft and crankshaft pulleys on all models....

Cylinder head cover — removal and installation
Removing 1. Disconnect the negative battery terminal. Models with an engine capacity of 1.6 liters 2. Loosen the mounting clamps and remove the air supply hoses from the front right end of the head cover. 3. Remove the...

Crankshaft pulley — removal and installation
Removing 1. Remove the auxiliary drive belt. 2. To fix the engine crankshaft from turning, the assistant must engage fourth gear and press the foot brake all the way. At this time, loosen the crankshaft pulley bolt. If...

Casing of a gear belt — removal and installation
Removing 1.6 liter engine models Top casing 1. Remove the fuel supply hoses from the upper casing clamps. 2. Unscrew the two mounting bolts located at the base of the casing, and remove the casing from the engine...

Toothed belt — removal and installation
Attention! Correct tensioning of the toothed belt requires the use of a special electronic tool (SEEM C105.5). If the belt is tensioned without this tool, do not travel long distances and operate the engine at high...

Toothed belt tensioner and pulleys
Removing Camshaft Pulleys 1. Disconnect the negative battery terminal. 2. Align the alignment holes on the camshaft and crankshaft pulleys with the holes on the engine and fix the pulleys with pins. 1.6 liter engine...

Replacing the camshaft sealing ring
Attention! When replacing the camshaft O-ring, the toothed belt must be protected from oil. 1. Remove pulley (s) camshaft. On 1.8 and 2.0 liter engine models, remove the pulleys and pulley hubs. 2. Drill two holes in...

Camshaft and pushers — removal, inspection and installation
Removing 1. Disconnect the negative terminal from the battery and remove the cylinder head cover. 1.6 liter engine models 2. Remove the camshaft pulley. 3. Remove the ignition coil. 4. Remove the top bolt securing the...

Checking and adjusting the valve clearances of 1.6 l engines
Valve shim thickness calculation I. Inlet valve; E. Exhaust valve 1. Measured clearance; 2. The difference between 1 and 3; 3. Normal clearance; 4. The thickness of the installed shim; 5. Calculated thickness of the new...

Cylinder head — removal and installation
Cylinder head bolt tightening sequence Removing 1. Disconnect the negative terminal from the battery. 2. Drain the coolant. 3. Install the timing gear drive until the mounting holes are aligned and block it in this...

Oil pan — removal and installation
Removing 1. Disconnect the negative terminal from the battery. 2. Block the rear wheels, raise the front of the car and place it on stands. 3. Drain the engine oil. 4. If equipped, remove the connector from the oil...

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

Oil cooler — removal and installation
Removing 1. Apply the handbrake, raise the front of the vehicle and support it on stands. 2. Drain the coolant from the cooling system or pinch the cooling system hoses near the oil cooler. 3. Place a suitable container...

Flywheel — removal, inspection and installation
Removing Models with manual transmission 1. Remove the gearbox and clutch. 2. Secure the flywheel against turning by placing a lock on the flywheel ring gear. 3. Unscrew bolts and remove a flywheel. If there is a guide...

Suspension of the power unit — check and replacement
Examination 1. To improve access to the suspension of the power unit, raise the front of the car and fix it on stands. 2. Check the condition of the rubber elements of the engine for cracks, aging and delamination. 3....

Major engine malfunctions
Crankshaft does not rotate when engine is started battery terminals are not securely connected or oxidized; the battery is discharged or defective; violation of the integrity of the wiring in the starter circuit; faulty...