900 SE Sedan V6-2498cc 2.5L DOHC (1995)
3. Remove the flywheel stop and install the protective plate for the flywheel.
4. Install locking tool No. 83 94 926 on No. 1 and No. 2 camshaft sprockets and also on No. 3 and No. 4 camshaft sprockets.
5. Turn the crankshaft to 0° and install locking tool onto it.
6. Install the toothed belt according to its marked direction of rotation and markings (camshafts and crankshaft).
-
Adjust the tensioning roller loosely by hand to prevent the belt from slipping out of the cogs.
-
Always adjust anticlockwise.
-
Install a length of the toothed belt in place and install measuring tool No. 83 93 985, or equivalent, to measure the belt tension.
-
Tighten the centre bolts of the adjusting rollers lightly.
-
Adjust the adjusting rollers counterclockwise.
-
Begin with the lower one and adjust it to a belt tension of 275-300 Nm (203-221 ft. lbs.).
NOTE: This adjustment of the belt tension is only a preparatory measure and must not be used as a check when the belt is finally adjusted.
7. Then carry out adjustment by means of the tensioning roller, mark against mark.
-
Remove the locking tool for camshaft sprockets 1 and 2.
-
Carry out final adjustment with the upper middle adjusting roller until camshaft sprocket No. 2 moves 1-2 mm forwards.
-
Remove the locking tools for camshaft sprockets 3 and 4 and also the crankshaft locking tool.
8. Turn the engine over two resolutions to the zero mark and install the locking too on the crankshaft.
-
Check that the markings on the camshaft sprockets are in alignment with the markings on the timing cover.
-
Check this by positioning the three locking tools, which should install, and also by installing locking tool on camshaft sprockets 1 and 2 and 3
and 4.
NOTE: Also check the tensioning roller to ensure that the marks are in alignment, then tighten as follows:
-
Tensioning roller: 20 Nm (15 ft. lbs.).
-
Upper adjusting roller: 40 Nm (30 ft. lbs.).
-
Lower adjusting roller: 20 Nm (15 ft. lbs.).
9. Install the crankshaft pulley and tighten to: 20 Nm (15 ft. lbs.).
-
Install the cover in the wheel housing and then install the right-hand front wheel, tighten wheel bolts to: 120 Nm (89 ft. lbs.).
10. Install the cover, water pump pulley, power steering pump pulley, belt tensioner and multigroove drive belt.
11. Install the air cleaner and mass air flow sensor.
