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    Mobil 1 10W-40 HM 2004 Land Rover Discovery 3339mi

    I've been reading lots of positive things about T6. It's definitely on the short list for the next fill. Nice catch on the failed HG. The research I've done seems to indicate that the '04 Discos are more prone to HG issues that some of the earlier models and they seem to fail in the 50k-80k...
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    Mobil 1 10W-40 HM 2004 Land Rover Discovery 3339mi

    Originally Posted By: addyguy Not great for only 3k miles. M1 oils don't use Sodium in the add-pack, so it might be from coolant, but Potassium should also be high, so...??? I haven't had time to search much on this topic, but I recall coming across one post that indicated that Dexcool in...
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    Mobil 1 10W-40 HM 2004 Land Rover Discovery 3339mi

    I'm not as worried about the head gasket after seeing the analysis and checking a few other things, but I'm planning to replace that hose, and many of its friends, very soon. They've actually been sitting on my work bench for a couple of weeks now. I'll keep an eye on the coolant level after...
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    Mobil 1 10W-40 HM 2004 Land Rover Discovery 3339mi

    This is the first UOA on the first oil change since I bought the Discovery in March '09. I had the water pump replaced before taking delivery of it after reviewing its entire maintenance history (previous owner decided to trade it in for a new Land Rover rather than fix it). However, since...
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