Drive-Belts Replacement And Adjusting Cam Timing
DRIVE-BELTS REPLACEMENT AND ADJUSTING CAM TIMING
Removing
- Remove V-belt, vibration damper and upper and lower belt guards
- Loosen the tensioning roller and remove the drive belt
- Mark running direction of belt
Installing
- Place drive belt on crankshaft and intermediate shaft sprockets
- Ensure that belt is installed in correct running direction
- Install the lower belt guard
- Install the crankshaft vibration damper
- Note the offset holes in the installed position
- Align camshaft sprocket to cylinder 1 TDC mark.
- Marking on camshaft must align with arrow on valve cover (view A)
- If valve cover is removed, (view B), marking on camshaft sprocket must align with machined surface of cylinder head (arrow)
NOTE: When turning the camshaft, ensure that the crankshaft is not in the TDC position or the valves could hit the pistons.
- Rotate crankshaft to cylinder 1 TDC position, TDC marking on flywheel must align with mark on bell housing (view D)
If engine is removed
- Align mark on vibration damper with arrow on belt cover (view C)
- Place drive belt on camshaft sprocket
- Tension belt using tensioning wrench (e.g. Matra V159) in direction of arrow
- Attach belt tension gauge VW 210 to drive belt as shown
- If properly tensioned, scale value must be between 13 and 14
- When proper tension is obtained, tighten nut to 45 Nm (33 ft lb)
- Rotate crankshaft two revolutions and recheck tension, adjust as necessary
- Install upper belt guard and V-belt
- Check ignition timing point and adjust if necessary