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    Sludge?

    Originally Posted by Nick1994 If it is sludged with 7,500 mile OCI's, it's got a bad head gasket. Have you had to add coolant? I did a year ago for peace of mind. It was nearly at the bottom of the puke can when it was cold, so I added more. I haven't had to since then, and haven't noticed...
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    Sludge?

    Originally Posted by RyanY This is an interesting thread! I think the moral of the story is that dealers should be avoided whenever possible. I have always been hesitant to go to dealers - mostly because of cost - but this story is another reason... 99% of the time I do my own work. When I...
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    Sludge?

    Originally Posted by maxdustington Using Tear-o-lators, and getting pushed around by the dealership is stuff that a normal BITOGer should not be doing. On top of that you have the effrontery to criticize perfect automaker Subaru on this board? You're no BITOGer! I'm going to assume you're...
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    Sludge?

    Originally Posted by SonofJoe Mickey85, I'm an ex-oil formulator, I've run hundreds of sludge tests in my time & I know more about sludge deposition than your average bear! IMO, they way you describe things, I'd say that it's nigh on impossible for you to have laid down even the tiniest amount...
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    Sludge?

    Originally Posted by rooflessVW In no way will "sludge" affect a cam sensor. There's no "clogging" a hall effect sensor. Your engine isn't sludged, and the dealer is full of it. They didn't want to perform the work for free. What warranty were you still under at 95k miles? Theirs? The...
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    Sludge?

    Originally Posted by SubieRubyRoo Go to International Subaru of Merrillville on 30, they are a Stellar Performer dealership and have always been above board during the 10+ years I've dealt with them. No shady charges or questionable repairs... and one time I asked the service manager to do a...
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    Sludge?

    Originally Posted by Needleman Have you ever had to add coolant? Could be a slow coolant leak contaminating the oil & causing the sludge. Did you ever run any UOA's on her car? Do you have any used oil samples you can send in? That would be my first thought. Second would be PCV maybe a bad...
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    Sludge?

    Thanks guys. The dealership is Castle Subaru in Portage. Lesson learned...
  9. M

    Sludge?

    I agree. And the oil change wasn't missed, I just failed to document it. I'm just trying to avoid nonsense like this in the future. Guess I learned my lesson about the stealers around here...
  10. M

    Sludge?

    They didn't show it to me in person, and I don't have a picture - it apparently came from the galley on the front of the heads, which is where buildup would occur. I was out of town for the few days they had it and didn't think to ask for a picture. This dealership is about the most trustworthy...
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    Sludge?

    Hi all, First time poster, long time lurker. My wife drives a 2014 Subaru Impreza. It has 95K miles on the clock, and we bought it new. Since new, I've done oil changes with Mobil 1 0W20, and a combination of Wix and Purolator oil filters, with both oil and filter changed every 7500 miles...
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