I posted about this problem a while back when I thought my battery was bad.

Basically, starter barely turns engine over. In fact it acts just like an almost dead battery would in winter.

But engine and glow plugs are good, so it starts after hardly a single revolution.

In my earlier post, I thought starter motor was just sticky, but even although car is driven daily, the problem has started again.

I fully charged the battery. I also checked battery after a stop start run when on several occasions I didn't think car would start and it was still at over 13V. On earlier occasion, I did a load test on the battery and it seemed OK.

It feels like the engine is tight or has excessive compression and hard to turn over. A/C compressor is disconnected, so it isn't that. What else would do that? PS, Vac pump, Alt? No other signs that those items are giving trouble.

Any ideas?

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Graham
85 300D,72 350SL, 98 E320, Outback 2.5