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    Mobil 1 15w-50 $6.50/quart at Wal Mart

    I just picked up a 5 quart jug oh Castrol HM for 8 dollars, which is not bad. Comes out to 1.60/quart. However, their individual quart price on the same oil was 3.58. Seems to be the case for alot of their oil. Individual quarts are expensive, but the 5 quart jugs are cheap.
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    Pennzoil Platinum Leak

    Its the POE base. I know the correct thing to do is get it fixed, but just wondering.
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    Pennzoil Platinum Leak

    Thanks for the replies everyone. I may actually just try some maxlife synthetic at the next change. It seems to be reasonably price here at Wally World. I just though it was interesting that the leak never amounted to anything until I decided to try PP. Also, even when I went back to M1 for a...
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    Pennzoil Platinum Leak

    BTW, Its a 3.7L V6 in a Jeep Liberty w/ ~48k. Always been changed every 5k with mainly M1 Thanks
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    Pennzoil Platinum Leak

    I've always had the smallest leak on my rear main seal. It was a very small leak, it didn't really even drip. It never even left a drop on the garage floor, just the bottom of the bell housing was damp. Thus I never really paid much attention to it. About 6-7 months ago I decided to try PP and...
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    PureOne knocking

    But wouldn't that only take a matter of 5-10 seconds if that. Similar to when you change the oil it clatters for about the first 5 seconds or so. Mine definitely lasts longer than that. More like a good 30-60 seconds. Normally, I just let it idle and warm up for a minute until the noise pretty...
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    PureOne knocking

    Thanks, Gary. Its a 3.7L V6 OHC engine in a Jeep. Doesnt have lifters but according to the Tech Service Manual it has hydraulic lash adjusters. According to the TSM "The valves are opened by using roller rocker arms which pivot on hydraulic lash adjusters" The engine has 40k on it has been...
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    PureOne knocking

    I have a light knock on a cold start-up that probably last 30-60 seconds. Kind of sounds like marbles rattling around. Very similar to a diesel engine. I've never really noticed it before. I could have just never paid attention, but I doubt that. I seem to notice things like that. Anyways, I...
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    80w-90 or 75w-140 in Jeep front diff

    The front diff in my 2003 Jeep liberty recommends a 75w-140 synthetic gear lube. It is a Dana 30 aluminum diff. However, the owners manual for a 2005 recommends 80w-90 (non-synthetic) for the front. They are the exact same differential, gear ratios, part numbers, etc. The front is only under a...
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    Mobil One EP 5w-30; 4500miles on oil; 2003 Jeep Liberty 3.7L V-6

    Here is my first report from my 2003 Jeep Liberty. There was 28,808 miles on her when I changed the oil. The oil was run for 4500 miles and was Mobile One 5w-30 EP. I believe I ran this engine a little hard. I towed a 2000lb+ trailer for probably over 2500 of those miles. Had to push the engine...
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