Lots of good tips here. Thank ali. I read timing gear and thought maybe it was the one on the IP since it has to be changed for a possible refit with the newer sealed design I have seen talked about in other posts.

The car at times seems to want to wiggle back and forth. I don't know if that is old/badly needed replacing tires, ball joints, tie rods, drag link or a combination of these? Not quite as good a condition as I hoped but I still think its going to be ok.

I don't suppose an OBDII scanner will tell me which glowplug is bad? Can I get to the glow plugs to diagnose them without removing the intake manifold especially with my big hands.

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My Daily : 96 E-300 Diesel with 195,000 miles
Retired: 92 300D 2.5 T 345K miles and for sale
Retired: 95 E320 157K miles and currently parked with blown engine

Both retired cars are for sale as is my w124 shop inventory