300SL (129.061) L6-3.0L (104.981) (1991)
Camshaft: Testing and Inspection
Checking basic position of camshafts
Proceeding work
Cylinder head cover removed. Refer to Cylinder Head Assembly - Valve Cover - Service and Repair - Procedures
Fan shroud and fan shroud ring removed. Refer to Cooling System - Fan Shroud - Service and Repair - Procedures
Checking basic position of camshafts
1. Position cylinder 1 to ignition TDC.
To do this, rotate crankshaft until the TDC marking on the vibration damper and the TDC pointer (arrow) are aligned.
2. 4 mm diameter holes in the camshaft flanges (arrows) must touch the top edge of the cylinder head, except at AMG engines.
Insert pins (1) into holes (arrows) for this step.
CAUTION: Camshaft adjuster must be in "retarded" position.
Inlet camshaft rotated in opposite direction of rotation of engine.
Inlet camshaft sprocket rotated in direction of rotation of engine as far as the stop!
To adjust, refer to Camshaft, Engine - Adjustments See: Adjustments