Change throttle shaft seal
The throttle shaft seal on my pump is leaking. First it started weping when I started it up after 2 weeks of standing still (when the headgasket went), but on revving the engine it stopped weeping and hasn't really given me an issue since.
Few thousand miles later and it seems it's puddling often when idling now. Also when engine switched off after running, you can hear a little noise coming from the throttle shaft, like it's slowly sucking air into the pump, which is made worse if you rock the throttle shaft slightly.
Is the throttle shaft seal something that can be easily done with the pump in the car? I am no diesel expert and have never taken a pump apart before, but will give most things a try - so far have done headgasket, cambelt, IP timing, injectors on it... so if it's no more complex than those I'll give it a try.
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