Removing Camshafts
Removing camshaftsPreliminary work for removing camshafts
1. Remove camshaft housing cover.
Carry out the next two work steps together.
2. Remove camshaft adjusters.
3. Remove camshaft timing gears.
Removing camshafts
Note:
^ While removing, note the installation position and allocation of the camshafts and bearing caps on a sheet of paper in such a way that they cannot be mixed up.
^ Protect camshafts, bearing caps and camshaft housing from dirt and layout the components on a clean surface according to installation position.
1. Unscrew fastening screws (M6 x 16) of the inlet camshaft oil feed housing and pull it off to the front.
Note:
^ While removing, note the installation position and allocation of the camshafts and bearing caps on a sheet of paper in such a way that they cannot be mixed up.
^ Protect camshafts, bearing caps and camshaft housing from dirt and layout the components on a clean surface according to installation position.
Note: When releasing the camshaft bearing caps, all the fastening screws must be released evenly half a turn at a time in the reverse order to that illustrated so that the camshaft is not distorted!
Note: As of model year 2005, the first camshaft bearing cap has two standard bores for securing the hydraulic valve (two M6 x 60 screws) -1-. An additional oil strainer is fitted under the hydraulic valve.
2. Remove all M6 x 35 fastening screws for the thrust bearing caps and bearing caps evenly half a turn at a time in the reverse order to that shown -see Figure-. Lay out thrust bearing and bearing caps on a clean surface according to installation position.
3. Remove camshafts and lay out on a clean surface according to installation position.