Car engine repair Audi 100 C3, diesel
Diesel Engine Specifications in Engine Bay
Main characteristics Engine code: 1986 cm³ indirect injection, non-turbocharged, 51 kW - CN 1986 cm³ indirect injection, turbocharged, 66 kW - DE 1986 cm³...
Main characteristics Engine code: 1986 cm³ indirect injection, non-turbocharged, 51 kW - CN 1986 cm³ indirect injection, turbocharged, 66 kW - DE 1986 cm³...
General description
About the section All procedures are described assuming the engine is still in the vehicle. If the engine has been removed for rebuilding, disregard the...
About the section All procedures are described assuming the engine is still in the vehicle. If the engine has been removed for rebuilding, disregard the...
Valve timing marks — general description and use
General description 1. The camshaft and water pump are driven by a toothed belt from the crankshaft. The camshaft and crankshaft sprockets rotate in unison,...
General description 1. The camshaft and water pump are driven by a toothed belt from the crankshaft. The camshaft and crankshaft sprockets rotate in unison,...
Checking the compression in the cylinders
Compression check Note: Use a special compression tester designed for diesel engines. 1. If the engine is not producing full power or is running rough, and the...
Compression check Note: Use a special compression tester designed for diesel engines. 1. If the engine is not producing full power or is running rough, and the...
Toothed drive belt — removal, inspection and installation
Removal 1. The primary function of the timing belt is to drive the camshaft, but it is also used to drive the water pump. The fuel pump is driven from the rear...
Removal 1. The primary function of the timing belt is to drive the camshaft, but it is also used to drive the water pump. The fuel pump is driven from the rear...
Fuel Pump Drive Belt — Removal, Inspection and Installation
Removal 1. Remove the cover bolts located on the rear of the engine to gain access to the fuel pump drive belt. 2. Remove the glow plugs to make it easier to...
Removal 1. Remove the cover bolts located on the rear of the engine to gain access to the fuel pump drive belt. 2. Remove the glow plugs to make it easier to...
Timing Belt and Sprocket Tensioner Mechanism — Removal and Installation
Timing Belt Tensioner Mechanism Removal 1. Disconnect the negative cable from the battery. 2. Apply the handbrake, then jack up the front of the car and...
Timing Belt Tensioner Mechanism Removal 1. Disconnect the negative cable from the battery. 2. Apply the handbrake, then jack up the front of the car and...
Auxiliary drive belt — removal, installation and tensioning
1. The auxiliary belt drives the alternator and the power steering pump. On models with air conditioning, it also drives the compressor. The belt has a...
1. The auxiliary belt drives the alternator and the power steering pump. On models with air conditioning, it also drives the compressor. The belt has a...
Camshaft Cover — Removal and Installation
Removal 1. Remove the top plastic engine cover (where is there), then disconnect the crankcase breather hose and oil separator hoses from the camshaft cover...
Removal 1. Remove the top plastic engine cover (where is there), then disconnect the crankcase breather hose and oil separator hoses from the camshaft cover...
Camshaft Seals — Replacement
Front oil seal 1. Remove the auxiliary drive belt, following the Chapter 7 . 2. Remove the timing belt tensioner and camshaft sprocket ( see Chapter 6 ). 3....
Front oil seal 1. Remove the auxiliary drive belt, following the Chapter 7 . 2. Remove the timing belt tensioner and camshaft sprocket ( see Chapter 6 ). 3....
Crankshaft seals — replacement
Front crankshaft oil seal 1. Remove the toothed drive belt and crankshaft sprocket ( see Chapter 6 ). 2. The seal can be replaced without removing the oil pump...
Front crankshaft oil seal 1. Remove the toothed drive belt and crankshaft sprocket ( see Chapter 6 ). 2. The seal can be replaced without removing the oil pump...
Cylinder head — removal, inspection and installation
Note: Cylinder head overhaul is described in Section 1B . Removal 1. Disconnect the negative cable from the battery. 2. Remove the upper engine cover and the...
Note: Cylinder head overhaul is described in Section 1B . Removal 1. Disconnect the negative cable from the battery. 2. Remove the upper engine cover and the...
Pushers — checking and adjusting clearances
Engines NC, 3D and 1T Checking the serviceability of hydraulic tappets Warning: After installing the hydraulic lifters, wait at least 30 minutes, then slowly...
Engines NC, 3D and 1T Checking the serviceability of hydraulic tappets Warning: After installing the hydraulic lifters, wait at least 30 minutes, then slowly...
Flywheel/Drive Disc — Removal, Inspection and Installation
Removal 1. On models with a manual transmission, remove the transmission ( see Section 6 ) and clutch ( see Section 5 ). 2. On models with automatic...
Removal 1. On models with a manual transmission, remove the transmission ( see Section 6 ) and clutch ( see Section 5 ). 2. On models with automatic...
Engine Mounts — Inspection and Replacement
Inspection 1. Jack up the front of the vehicle and support it securely on axle stands, then remove the lower engine compartment panel. 2. Inspect the rubber...
Inspection 1. Jack up the front of the vehicle and support it securely on axle stands, then remove the lower engine compartment panel. 2. Inspect the rubber...
Pallet — removal, inspection and installation
Removal 1. Apply the handbrake, then jack up the front of the car and support it on axle stands. 2. Unscrew the bolts and remove the lower shield from under...
Removal 1. Apply the handbrake, then jack up the front of the car and support it on axle stands. 2. Unscrew the bolts and remove the lower shield from under...
Oil pump and its intake pipe — removal, inspection and installation
Removal 1. Remove the timing belt and crankshaft sprocket as described in Chapter 6 . 2. Remove the tray as described in Chapter 15 . 3. Unscrew the bolts and...
Removal 1. Remove the timing belt and crankshaft sprocket as described in Chapter 6 . 2. Remove the tray as described in Chapter 15 . 3. Unscrew the bolts and...
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