Oil pressure in AAN

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  • 20vQC
    S2Forum Maniac
    • Aug 2007
    • 684
    • Current: Italy

    #1

    Oil pressure in AAN

    Guys..I'm very worried about something, I'm using a semisynth 10W40 from GreenStar, the oil when cold raises the pressure to 3bar from 600rpm...but when hot, at 80°C, at 850-900rpm the temp decreases to 1.7bar and the first alarm from oil pressure turns on... The engine has 160K kilometers, since I turned on the engne with the new oil, but old oil filter (still being the oil filter that the UrS4 had 5 years ago). That alarm freaked me the hell out! Any opinion?
    - Looking for a S2
    - Lancia Dedra HF turbo i.e. (4sale)
    - Typ89 Coupè quattro, 20Vt AAN, VEMS, K24-7000@1.3bar (scrapped )

    sigpic
  • UrS4boy
    S2Forum Obsessed
    • Feb 2006
    • 11859
    • Country: Canada

    #2
    Opinion? He** yes. Change the freakin' oil filter for starters.
    RS2'd 93 UrS4 5 spd sedan
    94 UrS4 V8 6 spd manual avant

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    • 20vQC
      S2Forum Maniac
      • Aug 2007
      • 684
      • Current: Italy

      #3
      hahaha okay okay ...
      - Looking for a S2
      - Lancia Dedra HF turbo i.e. (4sale)
      - Typ89 Coupè quattro, 20Vt AAN, VEMS, K24-7000@1.3bar (scrapped )

      sigpic

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      • M_GORDON
        S2Forum Extremist
        • Oct 2008
        • 1295
        • Home: Isle of Man Current: Vatican City State

        #4
        My car when ys cold is >5bar and hot, around 1,35bar, it´s correct?

        And one questión. Who is our oil temp? mine is everytime around 60-80ºC! Too cold, not?
        photobucket SUCKS
        sigpic

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        • valjo
          S2Forum Extremist
          • Aug 2003
          • 1110
          • Country: Latvia

          #5
          use 10w60 oil from castrol.
          i have about 1.5 bar at hot engine at idle. check oil presure sender too.
          Audi Coupe S2 1993
          Audi V8 4.2 1993
          Audi cabrio 1998

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          • M_GORDON
            S2Forum Extremist
            • Oct 2008
            • 1295
            • Home: Isle of Man Current: Vatican City State

            #6
            And the temperature??
            photobucket SUCKS
            sigpic

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            • S2central.net
              Retired OG Mod
              • Jul 2003
              • 16590
              • Country: Northern Ireland

              #7
              The oil temp guage on our cars is almost useless... Oil temp should be around water temp when cruising around... WIth hard driving you can see it rise to 110-120 - maybe 130 on bigger power machines... but the guage goes to like 170 which I dunno is useful for anyone. Just a little niggle of mine.
              Paul Nugent
              Webmaster http://S2central.net
              Administrator http://S2forum.com

              1994 S2 Coupe ABY - aka Project Lazarus
              2001 A6 allroad 2.5TDi - family tank
              2003 S4 Avant 4.2 V8 - daily burble

              Purveyor of HomeFries and Exclusive agent for Samco hose kits (S2/RS2)

              There are only 10 kinds of people that understand binary - those that do, and those that don't

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              • M_GORDON
                S2Forum Extremist
                • Oct 2008
                • 1295
                • Home: Isle of Man Current: Vatican City State

                #8
                A lot of words in "klingon"...

                but ok, the temp is around 80ºC
                photobucket SUCKS
                sigpic

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                • Jamo
                  Retired OG Mod
                  • Mar 2004
                  • 21750
                  • Country: United Kingdom

                  #9
                  This is an english speaking forum after all.............

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                  • Jamo
                    Retired OG Mod
                    • Mar 2004
                    • 21750
                    • Country: United Kingdom

                    #10
                    Originally posted by S2central.net
                    The oil temp guage on our cars is almost useless... Oil temp should be around water temp when cruising around... WIth hard driving you can see it rise to 110-120 - maybe 130 on bigger power machines... but the guage goes to like 170 which I dunno is useful for anyone. Just a little niggle of mine.
                    That's got to be a Banzai challenge, who can get their oil temp to 170 c

                    Place your bets!

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                    • Acidburn
                      S2Forum Obsessed
                      • Jun 2007
                      • 13459
                      • Country: United Kingdom

                      #11
                      Originally posted by S2central.net
                      The oil temp guage on our cars is almost useless... Oil temp should be around water temp when cruising around... WIth hard driving you can see it rise to 110-120 - maybe 130 on bigger power machines... but the guage goes to like 170 which I dunno is useful for anyone. Just a little niggle of mine.
                      Stiglett going round combe had 130 on his, the car still went well but when I was watching his gauges out of interest on the way round the oil pressure dropped for a moment as he went thru the chicane, hence why he's after fitting an oil cooler.

                      Originally posted by Jamo
                      That's got to be a Banzai challenge, who can get their oil temp to 170 c

                      Place your bets!
                      I did it on my 20v fwd on the way home from buying it, the seller told me it had a small leak in the aux rad which was a lie. It had a bigger hole in the main rad, I kept topping up water and checking the oil, stopping and letting it cool down but was running out of time to get to work.

                      I had the oil temp off the gauge, the water temp off the gauge and the oil pressure on tick over under 2 bar (close to 1 bar)

                      It got from just before hatfield tunnel to baldock outside stevenage and siezed up about 1 mile from where I was parking it.

                      I had no time to get a pickup and my only option was to drive it.

                      Comment

                      • Greenm3
                        S2Forum Maniac
                        • Jul 2004
                        • 512
                        • Country: United Kingdom

                        #12
                        I have a Mocal oil cooler after seening 130+ on track, needed a new cooler anyway, but been running this for a while. I never see temps much over 70 whilst cruising and havent looked at it when giving it a bit. Is this not too good running the oil at these cool temps? Could just be the sender needs replaced though.
                        Oh and cold i have around 5bar, warm around 2 bar mayb a tad less, cruising warm 3-4 bar. HTH
                        Michael

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                        • AndyP
                          S2Forum Zealot
                          • Feb 2004
                          • 6049
                          • Country: England

                          #13
                          Originally posted by Jamo
                          That's got to be a Banzai challenge, who can get their oil temp to 170 c

                          Place your bets!
                          I've seen 150 around Mallory in a forum members car, I told him to think about uprating the cooler!!
                          sigpic
                          1991 Audi S2 3B - 2.5 Stroker engine
                          1997 A6 2.5TDi quattro avant - C4
                          1976 RD250E / 350LC cafe racer

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