Well, I finally got my car into the shop for the diagnosis of the knocking noise that started after an oil change. (94 Aero) Apparently, sludge had built up in the engine which caused two “scuffed pistons,” as my mechanic described to me. 3 weeks later, and a bill that will create the need for a second mortgage, the car is repaired and I can pick it up today. They replaced two pistons and basically went through the whole engine, cleaning and replacing things that needed to be. I think they replaced some springs too. The weird thing is, It took so long because he had a 900 (I think) in there before me with the same problem, but the guy had lost oil pressure and the engine seized. Same problem, sludge! And, he informed me yesterday that after my car leaves a 97 9000 is there waiting with the same sludge buildup problem. I asked if this was common and he said in the last 6-9 months he has done a bunch of them. Blamed it on the oil people are using and the lack of oil changes. Said that these cars run hot and they are putting a “turbo oil” in all the turbos now. This baby better be great for miles and miles or my wife will make me sell the old girl!

posted by 142.167.7...

• Beware the SLUDGE!!!! $$$$, kmosabi, Thu, 5 Dec 2002 10:04:40 <-- Viewing This Message
  • any chance it was Q.state or Penzoil?????, Danc, Fri, 6 Dec 2002 05:17:33
    • Re: any chance it was Q.state or Penzoil?????, Winder, Fri, 6 Dec 2002 13:13:27
      • I concur, QState/Pennz will not clean engine, Lu, Sat, 7 Dec 2002 08:12:07
    • Penzoil, Patrick, Fri, 6 Dec 2002 13:07:35
  • SLUDGE>?!, Vermont9k, Thu, 5 Dec 2002 21:31:01
    • Re: SLUDGE>?!, Nick , Fri, 6 Dec 2002 21:44:40
    • Re: SLUDGE>?!, Dick in Falls Church, Thu, 5 Dec 2002 21:31:54
    • Re: SLUDGE>?!, Jim Moncrief, Thu, 5 Dec 2002 21:31:29
      • Re: SLUDGE>?! Check, BobS, Fri, 6 Dec 2002 13:59:14
  • i'm sceptical..., Andrew , Thu, 5 Dec 2002 12:11:12
    • Re: i'm sceptical..., kmosabi, Thu, 5 Dec 2002 13:00:13
  • It seems to be a "new" problem created by something, Anders, Thu, 5 Dec 2002 11:28:14
    • Both of you have good theories,, Anders, Thu, 5 Dec 2002 14:53:18
    • I wonder..., Eric Law, Thu, 5 Dec 2002 14:28:14
      • As I understand it,..., Jim Moncrief, Thu, 5 Dec 2002 15:42:30
    • Would it have anything to do with..................., pursang, Thu, 5 Dec 2002 12:54:03
  • Re: Beware the SLUDGE!!!! $$$$, Dick in Falls Church, Thu, 5 Dec 2002 10:49:00
  • Sludge? Oil-changer's fault, Steve Brown, Thu, 5 Dec 2002 10:21:34
    • I suggest flushing the sump from oil level sensor port, SaabHeir, Fri, 6 Dec 2002 09:24:01
    • I guess I'm a half-arsed mechanic., Jimbo, Thu, 5 Dec 2002 10:40:39
      • Re: I guess I'm a half-arsed mechanic., Steve Brown, Thu, 5 Dec 2002 10:54:43
    • Yep, previous owners...., kmosabi, Thu, 5 Dec 2002 10:26:31

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