Car gasoline engine V6 Mercedes 190 (W201)

Technical data
General Engine code - 103942 Working volume - 2597 cc. Cylinder diameter - 82.9 mm Piston stroke - 80.2 mm Direction of rotation - Clockwise (if you look from the front...

Basic information
How to use this chapter This part of Chapter 2 describes repairs that can be performed without removing the engine from the vehicle. If the engine is removed from the...

Compression — checking and analyzing the results
The procedure is similar to that described in Chapter 2 Part A for 4-cylinder petrol engine.

Engine and Timing Marks — Basic Information and Use
1. Top dead center (TDC) is the highest point in the cylinder that each piston reaches during its stroke when the crankshaft rotates. Each piston reaches the TDC...

Camshaft Cover — Removal and Installation
Removal Note: A new gasket may be required during installation. 1. Disconnect the negative battery terminal. 2. Raise the hood to the fully open position. 3. Unfasten...

Crankshaft Pulley/Vibration Damper and Hub — Removal and Installation
Crankshaft pulley / vibration damper Removal 1. Disconnect the negative battery terminal. 2. Where required, remove the engine shield from below as described in Chapter...

Timing Chain Covers — Removal and Installation
Upper casing Note: Installation will require sealant, a new timing chain cover gasket (see text) and a new coolant tube seal. It is also recommended to replace the...

Camshaft Drive Chain — Checking and Replacing
Examination 1. Remove the upper timing chain cover as described in paragraph 6 . 2. Using a socket wrench on the crankshaft pulley/vibration damper hub bolt, turn the...

Timing chain tensioner, sprockets and guides
Tensioner Note: A new tensioner cover nut O-ring will be required during installation. Removal 1. Disconnect the negative battery terminal. 2. Raise the hood to the...

Camshaft, Tappet and Sprocket — Basics, Checking and Installation
Basic Provisions 1. The timing gear is an integral part of the camshaft bearing caps. The cams are mounted on separate short shafts that are seated in the camshaft...

Cylinder head — removal, inspection and installation
Removal Note: This operation requires a hoist, winch, and sliding hammer and adapter. A new gasket is required for installation. New cylinder head bolts may be required....

Pallet — removal and installation
Removal Note: This operation will require a hoist and winch. A new gasket will be required for installation and new exhaust clamp nuts may be required. 1. Disconnect the...

Oil pump and drive chain — removal, inspection and installation
Oil pump Removal 1. Remove the pan as described in paragraph 11 . 2. Loosen the pump sprocket mounting bolt and remove the washer. Remove the oil pump sprocket together...

Flywheel/Drive Plate — Removal, Inspection and Installation
The actions are the same as described in Chapter 2A for four-cylinder petrol engines.

Oil seals — replacement
Front camshaft oil seal 1. Unclip the radiator fan shroud and position it on top of the fan blades as described in Chapter 3 . 2. Where provided, remove the cover from...

Crankshaft Centering Bearing — Replacement
The actions are the same as described in Chapter 2A for four-cylinder petrol engines.

Powertrain Mounts — Checking and Replacing
The actions are the same as described in Chapter 2A for four-cylinder petrol engines.

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More similar sections for repairing other models

☛ Power unit: Gasoline engines car Mercedes W163 (1997-2005)
☛ Power unit: Petrol engine V12 car Mercedes W140 (1991-1998)

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190 (W201) (1982-1993)