The gas vulva is a simple job, the 603 diesel is at least twice the time involved and a couple of "special tools".
If it's overheating, it doesn't mean it has a cracked head. Overheating can result in a cracked head, but it is not a symptom of a cracked head. If oil in the coolant, low compression, coolant in the oil, excessive white exhaust (steam) or other indicator of a head or head gasket problem exists, then suspect the head is also damaged. Other problems will cause overheating.
The engine in the '87 300D sedan is the same as the 300TD wagon (W124 and T124). I believe that the T124 hydraulic pump is piggyback on the power steering pump on the diesels same as the gas wagons, so no different head, ... that was the 123 wagon.
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Originally Posted by mbehensky
1. Is there any chance that this is just the head gasket, and the head is OK?
2. How much does it cost for a new/rebuilt #22 head, and where can you find one?
3. Can you put the motor/head out of a regular 1987 300D into the TD? I've heard there is some issue with the hydraulic pump for the suspension...
4. The thing has 300K miles on it, so maybe I'd be better off with a whole new engine. Can you still get one from MBZ? Does it cost $15K?
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