To remove the upper damper from the camshaft housing, do the following:
Remove the cylinder head cover.
Use a puller to remove the tensioner axle and remove the tensioner.
Apply sealant to the tensioner axle flange.
Install the tensioner by aligning the axle holes with a screwdriver and insert the tensioner axle until it stops, rocking the tensioner with a screwdriver to facilitate installation of the axle.
Install the cylinder head cover.
To remove and install the chain guide in the cylinder head (2a, Fig. 84) do the following:
Remove the radiator.
Remove the chain tensioner or tensioner spring.
Apply paint marks to the camshaft sprocket and timing chain as shown fig. 90.
Remove the chain guide from the camshaft housing as described above.
Attach a piece of wire to the guide sprocket, use an M10 pin and an impact puller to extract the sprocket axle, and remove the sprocket.
Using a pin and an impact puller, remove the damper axle and pull out the damper with a piece of wire.
Installation is carried out in the reverse order. Apply sealant to the damper axle.
To replace the damper in the cylinder block (2c, Fig. 84) perform the following work:
Remove the radiator.
Remove the oil pan.
Remove the pulley and damper as described above.
Mark the relative positions of the sprocket and drive chain with paint as shown fig. 91.
Remove the chain guide from the camshaft housing and the guide sprocket as described above.
Remove the chain tensioner or its spring.
Using an impact puller, extract the damper shaft and remove the damper.
Installation is carried out in the reverse order. Apply sealant to the axle before installation.