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MAC

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Everything posted by MAC

  1. Som Jan Olsson nämnde, minns jag ganska många som rekommenderar användning av dieselolja, till exempel Shell Rottela, eftersom den är gjord med mer ZDDP än konventionell bil olja och de som använder det i allmänhet känns det håller motorerna renare och är bättre lämpad att göra motorer sista längre. När jag ägde min 1994 Eldorado 2004-2009, använde jag vanlig 10W-30 med rätt tillstånd och allt var bra. Så länge oljan som används har fått betyget för just din bil bör det inte vara ett problem. Men det finns de som använder diesel, som Rotella, och tror att dess övergripande en bättre olja även för bensinmotorer. Det är en ganska följande ute för dieselolja i bensinmotorer. As Jan Olsson mentioned, I remember quite a few people recommending using diesel oil, such as Shell Rottela, because it's made with more ZDDP than conventional car oil and those who use it generally feel it keeps engines cleaner and is better suited to make engines last longer. When I owned my 1994 Eldorado from 2004 to 2009, I used regular 10W-30 with the proper approval and all was fine. As long as the oil used is rated for your particular car there shouldn't be a problem. But there are those who use diesel, such as Rotella, and think its overall a better oil even for gasoline engines. There is quite a following out there for diesel oil in gasoline engines.
  2. I went out to grab some lunch the other day and was approached by a woman who wanted to know how I like my STS. I said I liked the it and enjoy driving it. She said she owned a 2007 STS-V8 but parted with it after the timing chain broke. I told here that it would be very rare for a Northstar timing chain to break since it's steel. She claimed it's a common problem. I told her that I have never heard of any such problem. My question is has anyone heard anything about Northstar timing chains breaking on 2005 and newer models? I don't recall any such problem on earlier models either.
  3. 2005 STS

    170,000

  4. Just to let you know, I eventually had to replace the ISC motor even after I cleaned the contacts. Once I installed the new one the erratic idling stopped. The cleaning did help initially but it wasn't a long-term fix. Success by cleaning the contacts may vary, so it may be worth a try.
  5. This is what I don't get about so-called cold air intakes. The stock air box pulls in air from the outside from the front left wheel well, which is going to be cooler than under hood air. Plus filtration is not going to be as good as a stock filter. The Guru said to forget about cold air intakes and that a stock filter provides more than enough air. Also, cold air intakes can cause changes that may actually lower performance.
  6. Why not try to find STS-like spoke hubcaps? Dress those wheels up a bit.
  7. Search this topic under the word "bypass" A/C compressor. There is a specific belt number mentioned. I have bypassed the A/C compressor without a problem. The belt I mentioned worked but it could have been about 1/2 inch shorter.
  8. Yesterday, I took apart the ISC motor and gave it a cleaning, lube, and light sanding of the contact point with 320 grit wet-dry sand paper. Now, I no longer have surging and idling problems. Thank you Barry94 for the heads up about servicing the ISC motor. I was also having problems with the tachometer jumping and a loss of power causing the car to stall at idle. It looks like that problem is also solved. One thing I did do was break the clip which secures the ISC harness, since the plastic was brittle from all the engine heat over the years. I'll either try to epoxy it together or buy a new harness connection.
  9. Pushing 175,000 No timeserting. Only need to buy an ACDelco fuel pressure regulator as my Eldo's backfiring and blowing white smoke into the engine compartment when trying to start.
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