In-vehicle Repair Special Tool(s) | 15-030 A Universal flange holding wrench 15-030 A Universal flange holding wrench | | Installer, camshaft oil seal 21-110 | | Remover/installer, cooling hose clamp 24-003 | General Equipment Materials Name Specification Sealer SPM-4G-9112-F Valve stem installation sleeves Engine Oil ACEA A3/B3 Removal | -
General note. - This operation was carried out on an engine with a mechanical timing belt tensioner.
- When removing and installing coolant and ventilation hoses, if necessary For additional information, refer to Section 303-03 Engine Cooling.
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Remove camshaft timing belt as described in Operation No. 21 304 0. | | -
CAUTION:Support the engine with a trolley jack. Detach the engine support bar. | | -
Slacken the flange bolt of the camshaft timing pulley. | | -
Remove the camshaft timing pulley. | | -
Detach the crankcase ventilation hose. | | -
Remove the flange bolt of the camshaft timing pulley. | | -
Pull off the flange of the camshaft timing pulley using a proprietary two-legged puller. | | -
Remove the cylinder head cover. - Detach the crankcase ventilation hoses.
- Remove the screws.
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CAUTION:Slacken the nuts of the camshaft bearing caps uniformly a turn at a time. Remove the camshaft. - Take out the bearing caps, bearing shells and camshaft and put them down in order.
- Remove the camshaft seal.
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NOTE:Put down the valve tappets in order. Remove the valve tappets and the valve shims and check them for wear. | Installation | -
NOTE:The lettering on the valve shims faces downwards. Coat the valve tappets and valve shims with engine oil and fit them. | | -
Lay the camshaft bearing shell lower halves in place and coat them with engine oil. - Fit the camshaft and turn it until the slot in the eccentric on the camshaft is parallel with the upper edge of the cylinder head (with the larger semi-circle at the top).
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Put the camshaft bearing shell upper halves in place and coat them with engine oil. | | -
Apply sealer (SPM-4G-9112-F/G) to bearing cap no. 1 in the areas indicated. | | -
Seal the parting line between the bearing cap and the cylinder head on both sides with a thin bead of sealer(SPM-4G9112-F/G). | | -
NOTE:Clean the cylinder head cover gasket and check it for damage. Only renew it if it is damaged. The gasket can be reused several times if it is in good condition. NOTE:Before fitting the gasket, coat it lightly with engine oil. Fit the cylinder head cover. - Tighten the bolts.
- Attach the crankcase ventilation hoses.
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NOTE:Coat the running surface and the sealing lip of the oil seal with engine oil. The text on the oil seal faces outwards during installation. Fit the camshaft oil seal using the special tool and an M8 bolt. | | -
Fit the flange of the camshaft timing pulley. - Draw on the flange with the bolt.
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Fit the camshaft timing pulley. | | -
Attach the crankcase ventilation hose. | | -
Tighten the flange bolt of the camshaft timing pulley. | | -
Attach the engine support bar. | | -
Fit a new camshaft timing belt as described in Operation No. 21 304 0. | | |