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Type 8L (1996-2003)

Setting the piston of the first cylinder to TDC (petrol) (Audi A3 8L)

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  • Setting the piston of the first cylinder to TDC (petrol)
            0
Four-cylinder petrol engines 1.6, 1.8 l.


1. Remove the upper timing belt cover.

2. Mark the direction of its rotation with a felt-tip pen. The motor, when viewed from the side, rotates clockwise.

3. Turn the crankshaft so that the camshaft occupies the TDC position of the piston of the first cylinder.

3. Turn the crankshaft so that the camshaft occupies the TDC position of the piston of the first…


4. There are several ways to crank the engine.
  • 1. Raise and place the vehicle on stands at the front side. Engage fifth gear, apply the parking brake. Turn the raised wheel manually. This will simultaneously turn the crankshaft. An assistant is required to perform this operation.
  • 2. Place the car on a level surface. Engage fifth gear. Move the car forward or backward.
  • 3. Shift the manual transmission to neutral. Apply the parking brake. Turn the crankshaft by the central bolt of the belt pulley.

Warning: Do not turn the engine by the camshaft sprocket mounting bolt. This will place excessive stress on the timing belt.


5. Turn the engine so that the marking on the camshaft wheel coincides with the TDC marking on the cylinder head cover. At the same time, the marking of the crankshaft pulley is on the arrow of the lower toothed belt cover. The engine is now in the position of the ignition moment of the first cylinder.
The article was checked by auto expert Nikita Rudakov
This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

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Audi A3 Type 8L: Engine repair
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