Sharp Posted March 17, 2020 Share Posted March 17, 2020 (edited) I posted a little while ago re. coolant loss while driving. It's continued to lose about 1-2" out of the expansion tank every half hour or so, it varies sometimes it empties it, occasionally it doesn't lose any. Someone suggested it could be the headgasket so I'm going to try and replace it during the anticipated isolation. I've had a read through of the topics on here and come up with a list of things to buy, is there anything else that might be useful? Gasket New Bolts Oil and Filter Inlet Gasket (this was new about a year ago but they're not expensive) Thermostat housing gasket Fresh coolant (thanks monkie) Any hints or tips very welcome, it looks quite straightforward but I've said that before! Edited March 17, 2020 by Sharp Quote Link to comment Share on other sites More sharing options...
monkie Posted March 17, 2020 Share Posted March 17, 2020 Some new coolant to top up any spillages? 1 Quote Link to comment Share on other sites More sharing options...
Sharp Posted March 17, 2020 Author Share Posted March 17, 2020 Thanks monkie Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted March 17, 2020 Share Posted March 17, 2020 P-gasket? This is often the leak on a 300TDI. Quote Link to comment Share on other sites More sharing options...
Peaklander Posted March 17, 2020 Share Posted March 17, 2020 (edited) Extra items to consider are: Oil separator (rocker cyclone thing) O-ring Rocker cover gasket Cylinder head dowels in case the existing ones are no good Maybe also: Glowplugs (if the existing ones are tested and nbg Injector service (if you can get them somewhere to do this) Cylinder head check - pressure test, valves guides etc. (if you ...ditto above) Also a new set of head bolts - but the spec says can be re-used five times; others say renew anyway. Edited March 17, 2020 by Peaklander head bolts added Quote Link to comment Share on other sites More sharing options...
cackshifter Posted March 17, 2020 Share Posted March 17, 2020 Maybe the rubber washer things that the rocker cover bolts through. Valve stem oil seals? Don't forget to put on the thermostat housing and the air filter bracket at the right moment. If you do the P gasket as well treat yourself to new water pump bolts and pump gasket Quote Link to comment Share on other sites More sharing options...
Peaklander Posted March 17, 2020 Share Posted March 17, 2020 1 hour ago, cackshifter said: Don't forget to put on the thermostat housing and the air filter bracket at the right moment. ^^^^^ this. I didn't forget because I put a great big label on the air filter bracket after I was warned about this. Also I had left the thermostat housing on the head 'til it was on the bench and that's where I re-fitted it. Quote Link to comment Share on other sites More sharing options...
Sharp Posted March 18, 2020 Author Share Posted March 18, 2020 Thanks everyone, things I hadn't thought of there and would be good to have everything I need. I recently replaced the water pump, p-gasket and the rocker cover gasket, bolts and oil separator o-ring were all replaced recently to try and stop oil leaks (which have stayed away so far). I can't seem to be able to re-edit the post but have updated the list in case it's useful to anyone else Head Gasket New Head Bolts Oil and Filter Inlet Gasket Thermostat housing gasket Fresh coolant Extras Oil separator (rocker cyclone thing) O-ring Rocker cover gasket and washers Cylinder head dowels in case the existing ones are no good Glowplugs (if the existing ones are tested and nbg) Waterpump, bolts and P-Gasket Other Injector service (if you can get them somewhere to do this) Cylinder head check - pressure test, valves guides etc. (if you ...ditto above) Quote Link to comment Share on other sites More sharing options...
mmgemini Posted March 19, 2020 Share Posted March 19, 2020 Head dowels just incae the old ones dont come out in one peice Quote Link to comment Share on other sites More sharing options...
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