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Removal, check and installation of camshafts
| Fig. 2.95. The camshafts of the engine capacity of 1.8 liters
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The camshafts of the engine capacity of 1.8 liters shown in Fig. 2.95.
Withdrawal Disconnect the hose and breather hose PCV valve.
| Fig. 2.96. Removing the water pump pulley and the crankshaft
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Remove the water pump pulley and the crankshaft pulley (Fig. 2.96). Remove the timing belt cover. Loosen the bolt tensioner timing belt, loosen the belt tension and temporarily secure the tensioner pulley. Remove the timing belt from the camshaft sprocket. Remove the bolts from the center of the cover and then remove the cover. Remove the ignition coil assembly.
Unscrew the cylinder head cover and then remove the cover (Fig. 2.97). Remove the camshaft sprocket.
| Fig. 2.98. Removing the covers of bearings of camshafts
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Remove camshafts. Remove the lifters.
Check Check the neck of a camshaft for wear. If the shaft journal is much worn, replace the camshaft.
| Fig. 2.99. Checking the protruding portion of the cams of the camshaft
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Check out the protruding part of the cams of the camshaft for damage. If damaged or cam shaft wear exceeds the permissible value, replace the camshaft (Fig. 2.99).
The height of the cams of the camshaft Nominal value: - The inlet: 44.82 mm; - Graduation: 44.72 mm. Limit: - The inlet: 44.72 mm; - Graduation: 44.62 mm. Check the surface of the back of the cams of the camshaft for damage or considerable wear and, if necessary, replace the shaft. Check the condition of the bed of the camshaft for damage. If the wear of the camshaft bed exceeds the permissible value, replace the cylinder head assembly or the camshaft bearing caps. Axial backlash of a camshaft: 0.1-0.2 mm
Checking camshaft oil seal Check the oil seal lip for wear. If the working edge is worn, replace the oil seal. Check the condition of the surface of the camshaft in contact with the sealing lip gland. If the surface of the shaft is worn, replace the camshaft.
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