Timing Chain Tensioner — Installation Details (Mercedes-Benz S-Class W140)

Note: See also Section Timing Drive - General Information, Component Maintenance.

Timing Chain Tensioner Installation Details
1 - Timing chain tensioner; 2 - Compressed air supply tube

Timing chain tensioner design (section)
225 - Traffic jams; 226 - Aluminum spacers; 227 - Ball (diameter 5 mm); 228 - Ball guide; 229, 230, 234 - Springs; 231 - Valve disc; 232 - Sealing ring; 233 - Piston; 233.1 - Pump cavity; 235 - Body; 236 - Retaining ring; a - Discharge hole; b - To the pallet; A - Shaped version; B - Streaming version

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The article has been verified: Polyakov Zakhar Grigorievich

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S-Class W140 / Diesel engine OM603

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Timing Drive — General Information, Component Maintenance
Timing chain replacement
Checking the camshaft reference position
Removal and installation the cylinder head
Camshaft — Removal and Installation

Removal and installation pistons
Checking the condition and replacing the connecting rods
Measuring cylinder diameters
Removal and installation of cylinder liners
Checking the condition of the crankshaft

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