One thing I've learned since I wrote that tale back in September is that it makes a HUGE difference if the exhaust pipe is warm. Was yours? If you've just driven the car, the cast aluminum pipe is expanded slightly more than the steel sensor threads. That's why, after struggling unsuccessfully trying to loosen a cold O2 sensor, many a Do-It-Yourselfer has given up, driven to the local Saab mech, and then watched in utter disbelief as the guy reached in with a wrench and twisted the offending device free with one pull. It SHOULD be a 10 minute job, as you describe, and not the nightmare I went through.

The thing is, I HATE working on hot exhaust parts. The turbo unit seems to be the heatsink for the entire car, and long after you can put your hand on the exhaust downpipe, the area around the O2 sensor is still mad hot. So I tackled my cold O2 sensor replacement job one beautiful morning after the Beastie had slept all night, with the results you read about.

- = M = -

• Who has taken out o2 sensor?..., cutic, Wed, 10 Jan 2001 09:20:39
  • thanks everyone n/m, cutic, Thu, 11 Jan 2001 09:15:15
  • How quickly they forget..., Monster, Wed, 10 Jan 2001 15:58:52
    • stuck under the dashboard eh, where can I read that? n/m, anothermike, Wed, 10 Jan 2001 22:53:41
      • Scrolled off the list..., Monster, Thu, 11 Jan 2001 08:27:12
    • O2 Sensor Woes and My Love/Hate Saab Relationship, Monster, Wed, 10 Jan 2001 16:02:23
      • O2 Sensor Woes II -- The Sequel, Monster, Wed, 10 Jan 2001 16:06:48
        • Re: O2 Sensor Woes II -- The Sequel, Matt, Wed, 10 Jan 2001 23:38:41
          • Sometimes the Norse gods smile on you...., Monster, Thu, 11 Jan 2001 08:04:19 <-- Viewing This Message
  • Just what does the o2 sensor do? n\m, LMS, Wed, 10 Jan 2001 12:49:35
    • senses exhaust gas oxygen..., Monster, Wed, 10 Jan 2001 22:38:51
      • Re: senses exhaust gas oxygen...To monster, LMS, Thu, 11 Jan 2001 14:10:38
        • Yer welcome! :> n/m, Monster, Fri, 12 Jan 2001 00:39:43
        • Re: senses exhaust gas oxygen...To monster, M, Fri, 12 Jan 2001 00:38:55
  • Re: Who has taken out o2 sensor?..., Rob T, Wed, 10 Jan 2001 11:29:20
  • Answer: Grind the socket so it fits, JohnK, Wed, 10 Jan 2001 10:30:04
  • 87 900T?, JohnB, Wed, 10 Jan 2001 10:17:08
    • But you gotta twist and hold your mouth just so!! n/m, Texron, Wed, 10 Jan 2001 10:21:13
      • Yeah, but I keep biting my tongue and liking the blood., JohnB, Wed, 10 Jan 2001 15:23:45
  • Re: Who has taken out o2 sensor?..., Alain(Luxembourg), Wed, 10 Jan 2001 09:54:47
  • The easiest way that I've seen, Jeff Cunningham, Wed, 10 Jan 2001 09:39:58
    • BINGO! Jeff is correct., Paul Bob, Sun, 13 Aug 2006 20:26:45
      • Re: BINGO! Jeff is correct., oldsaab, Sun, 13 Aug 2006 22:55:51

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