First, you will have to remove the fan. The bolt that holds the bottom of the shock on wont' come out with the fan on, unless they shortened it on the 606. We tried, needs about 1/4 inch more space....

Fan is easy to remove -- use an 8 mm allen on a pipe for the bolt and a 3mm allen through the hole in the back of the bracket -- there are slots or holes in the fan clutch that the 3mm allen will slot into. Easier than winding the belt around everything.

The belt tensioner is a simple spring, held in tension by a plastic bracket on the top front of the head. There is a bolt front to rear, about 4" long, and there is a hole at right angles on the passenger side of the plastic part. Remove the nut on the bolt, put a 3/8" extention into the other hole, and push down on the extension. This will relieve the pressure on the bolt so you can push it back, allowing the plastic bracket to swivel down. This unloads the spring so you can take it off.

If you do manage to get the shock bolt out without taking the fan off, you can put the belt on by wrestling it around the fan, then making a tight loop near the tensioner pulley, pulling the belt around the alternator, then from underneath pull the other side of the loop around the crank -- unless you have tiny hands, you won't be able to get the belt over the crank pulley from above. The loop goes up between the alternator and the crank pulley, ribs on the alternator and crank pulley side, flat on the tensioner pulley.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!