Camshaft, Removing and Installing
Camshaft, Removing And InstallingSpecial tools, testers and auxiliary items
^ Holder tool 3036
^ Torque wrench VAG 1331 (5-50 Nm)
^ Torque wrench VAG 1576 (75-00 Nm)
Removing
- Remove upper drive belt guard.
- Loosen camshaft sprocket (hold with 3036).
- Rotate camshaft drive belt sprocket to Cyl.1 TDC mark by turning crankshaft.
^ Mark on camshaft sprocket must align with arrow on toothed belt guard.
- Loosen tensioner and remove toothed drive belt.
- Remove upper intake manifold and cylinder head cover.
- Remove camshaft drive belt sprocket.
- Remove Woodruff key from camshaft.
- Remove camshaft bearing caps 1, 3 and 5.
- Gradually loosen camshaft bearing caps 2 and 4, alternating in diagonal pattern to loosen nuts evenly.
- Remove camshaft bearing caps 2 and 4.
- Remove camshaft. If necessary, tap lightly with a soft-faced mallet to loosen camshaft from bearing and thrust surfaces.
Installing
Note:
^ When installing the camshaft, the cam lobes for Cyl. 7 must point approximately upward.
^ When installing the camshaft bearing caps note the offset bores. Before installation, test-fit the bearing caps to determine correct installation positions.
- Oil camshaft bearing and lobe contact surfaces.
- Install and gradually tighten bearing caps 2 and 4, alternating in diagonal pattern to tighten nuts evenly.
^ Tightening torque: 20 Nm (15 ft lb)
- Install bearing caps 1, 3 and 5.
^ Tightening torque: 20 Nm (15 ft lb)
- Insert Woodruff key in camshaft.
- Install camshaft drive belt sprocket.
^ Use holding tool 3036
^ Tightening torque: 80 Nm (59 ft lb)
- Install toothed drive belt and adjust tension.
CAUTION!
After installing new hydraulic valve lifters, DO NOT start the engine for approx. 30 minutes in order to allow the lifters to bleed down. Otherwise there is danger of the valves being damaged by interference with the pistons.