Gasoline engine 4.2 liter car Volkswagen Touareg 1

Technical characteristics of the 4.2L gasoline engine
Engine letter designation AXQ BHX Date of manufacture 03.03 03.03 Cylinder arrangement V-shaped engine V-shaped engine Cylinder camber angle 90° 90° Working volume, l 4,2 4,2...

Checking the valve guides
Verification procedure Insert the new valve into the guide bushing. The end of the valve stem must be covered by the guide bushing. Due to the different stem diameters, use the...

Replacing the crankshaft oil seal on the vibration damper side
Removal Remove the noise insulation screen. Remove the timing belt. Unscrew the central bolt 2 from the toothed belt drive gear on the crankshaft 1 and remove the gear from the...

Removal and installation the drive disc
Removal Remove the engine. Disconnect the engine and gearbox. Bring the engine to TDC. To do this, grooves A and B must be at the same level (Fig. 2.99). NOTE: The engine must be...

Removal and installation the flange on the drive disk side
Removal Remove the engine. Disconnect the engine and gearbox. Remove the drive disc. Remove the oil pan. Remove the flange (fig. 2.103) from the cylinder block. Remove the old...

Removal, installation and tensioning of the timing belt
Removal CAUTION: When performing all installation work, particularly in the engine compartment due to the tight layout, pay attention to the following: lines of all types (for...

Checking the axial clearance of the camshafts
Verification procedure Measurements should be taken with the supports and roller levers removed. Insert the camshaft and screw on bearing caps 3, 5 and 7 (fig. 2.117). Intake...

Replacing camshaft seals
Removal Remove the timing belt and camshaft gears. Unscrew the inner part of the 3240 oil seal puller a few turns from the outer part and secure with a knurled bolt. Lubricate the...

Replacing Hall sensor seals
Left cylinder head Disconnect the ignition coil and fuel injector connectors and set the wires aside. Disconnect the plug from the Hall sensor. Remove the sensor housing together...

Removal and installation of camshafts and valve timing adjusters
Removal Bring the engine to TDC. Remove the timing belt and camshaft gear, removing and installing the timing belt, tensioning. Left cylinder head Remove the cylinder head cover....

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