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Thread: Ouch - feedback appreciated

  1. #19
    Registered User lswing's Avatar
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    Quote Originally Posted by ttboost View Post
    +1. Connectors/modules are on the drivers side firewall, mounted back to back with the same 2 screws. I do think you can access them as well, with the engine in. Little tough as they are up there. MIGHT be easier to access from up top, don't recall. If you have a tune, ask your tuner to code them out and just leave them there forever...I deleted mine...cut them right out...
    Isn't that a bit dangerous? You can code them out and drive fine, but if everything heats up for some reason you won't have the safety fuel dump at 2,000F. Explain taking the risk? So only the first set of O2's have anything to do with fuel regulation right? Just confirming...
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  2. #20
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    Leave the egts alone for now.

    Change coolant temp sensor first. 150

    See if it fixes the fans.

    If not then do the full timing belt job w thermostat.

    Done.

    Quote Originally Posted by LIRS6 View Post
    Beast at dealer due MIL, fan running consistently after shutdown;

    dealer says needs:

    O2 sensors replaced (P1457, P1453) - oops, read EGT sensors, not O2 sensors
    Coolant temp sensor + thermostat replaced
    emissions purge valve solenoid replaced (P0441)

    Dealer quoting $6600 - the standard "we have to remove the engine blah blah blah..

    Any suggestions?

    Fyi 142k on her

    TIA

  3. #21
    Registered User LIRS6's Avatar
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    [QUOTE=DHall1;259683]Leave the egts alone for now.

    Change coolant temp sensor first. 150

    See if it fixes the fans.

    If not then do the full timing belt job w thermostat.

    Done.[/QUOTE

    Thanks
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  4. #22
    Registered User ttboost's Avatar
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    Quote Originally Posted by lswing View Post
    Isn't that a bit dangerous? You can code them out and drive fine, but if everything heats up for some reason you won't have the safety fuel dump at 2,000F. Explain taking the risk? So only the first set of O2's have anything to do with fuel regulation right? Just confirming...
    Many turbo vehicles don't have EGT's. I drove without mine for 2 years. Are they great to have, sure...but not at $300-$400 a piece and they seem to die fairly easily...snip...
    2013 Audi S8

  5. #23
    Registered User LIRS6's Avatar
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    up-date : told dealer $6600 absurd, no need to pull engine, drop the rear, will take about 5 hrs. response was that their tech (who I happen to like) was willing to try it that way w/o gtee.

    what would the charge be sans EGT's ? :

    $900 for coolant temp sensor + thermostat
    $400 for purge valve

    Huh?

    well, labor, clearing codes etc.

    18 straight years i've been a customer ... gee, maybe i can discuss a discount for you

    you guys inspired me to tell them "no thanks, I'll pick my car up tonite"

    so now i need help with parts nbrs please - coolant temp sensor? emissions purge valve solenoid?

    is thermostat replacement a DIY?

    TIA
    GBNF: Mugello, silver, carbon, RNS-E, H&R coilovers, Hotchkiss
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  6. #24
    Registered User ttboost's Avatar
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    I'm wondering if you can skip the thermostat for now (save it for your next timing belt job). Just do the Coolant sensor for now. Cheap and easy. See what happens. Just google "Audi RS6 coolant temperature sensor". You'' see the sensor, the clip and the O-ring..all for less than $20. It MIGHT take you 20 minutes to change yourself.
    2013 Audi S8

  7. #25
    Registered User Bigglezworth's Avatar
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    Quote Originally Posted by LIRS6 View Post
    $900 for coolant temp sensor + thermostat

    is thermostat replacement a DIY?
    The ONLY way to change the Tstat is to place the front clip in service mode, and remove the timing belt. If you are seasoned at timing belt replacement (i.e. at least a couple under your belt), you can R&R a Tstat from drive in to drive away in under 3 hours! In fact after having done a half dozen on three different cars now, I can swap just a T-stat in 2.5 hours. Yes you read correct.

    The reason for the butt clenching $$ quotes by dealers is due to prescribed book values. They sometimes encounter difficulties that eat in to repair time and loose out on the amount of work put in vs. what the 'book rate' should have well accounted for. More frequently than not however they come out WELL ahead $$ wise.

    As Mike said, leave the Tstat until you performe schedule timing belt maintenance. Unless you're encountering over heating problems, there is no need to tackle it. Constant running fan would have many a member on this board placing their money on the coolant sensor. $20 skins and just a few mins of your time as long as it's not seized in place.
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  8. #26
    Registered User ttboost's Avatar
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    Yep...and tie a wire to the plastic clip. So WHEN you drop it (not if), you can just pull it back up....trust us...
    2013 Audi S8

  9. #27
    Registered User LIRS6's Avatar
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    Thanks gents. Found coolant temp sensor at ESC Tuning, they comment it is the "green unit" and to check if same in vehicle http://www.ecstuning.com/Audi-RS6--4.2T/ES1484/ - is that the correct one? (my car inaccessible at moment)

    found emissions purge valve solenoid at ESC as well, choice of 4 diff manufacturers, will go with Bosch for $54.
    GBNF: Mugello, silver, carbon, RNS-E, H&R coilovers, Hotchkiss
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  10. #28
    Registered User ttboost's Avatar
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    Yep...that's it...
    2013 Audi S8

  11. #29
    Registered User LIRS6's Avatar
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    ordered, thanks again
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  12. #30
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    My list was to be taken in steps. 1 2 3 4

    Just do the coolant sender and recheck fans. A good chance you are done at that point

    The dealer 900 for sender and tstat was not that bad given dealer rates.

    Quote Originally Posted by DHall1 View Post
    Leave the egts alone for now.

    Change coolant temp sensor first. 150

    See if it fixes the fans.

    If not then do the full timing belt job w thermostat.

    Done.

  13. #31
    Registered User Cmnair's Avatar
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    I would take it to Tyrol or Elite Motorsports in Farmingdale

  14. #32
    Registered User ttboost's Avatar
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    Quote Originally Posted by DHall1 View Post
    My list was to be taken in steps. 1 2 3 4

    Just do the coolant sender and recheck fans. A good chance you are done at that point

    The dealer 900 for sender and tstat was not that bad given dealer rates.
    I absolutely agree with the 2nd comment...3rd..not so much...
    2013 Audi S8

  15. #33
    Registered User Bigglezworth's Avatar
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    Quote Originally Posted by DHall1 View Post
    My list was to be taken in steps. 1 2 3 4

    Just do the coolant sender and recheck fans. A good chance you are done at that point

    The dealer 900 for sender and tstat was not that bad given dealer rates.
    Dave,

    $900 skins for a 2.5-3.0max job? That's criminal.
    '02 S6 Avant Silver - Pokey | Carbon Black/Ebony RS6 w/ stuff - darn quick | '03 Daytona Grey/Ebony RS6 w/ more stuff - quicker yet | '91 NSX CDN issue with 6spd & BBSC - quicker yet and then some | '87 Buick GNX OEM clone w/ lots of stuff - quickest hands down

  16. #34
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    3.0hr is not book time for the tstat.

    Dealer charges book time. You and I are not paying 900 for a tstat but we make up less than 1% of the general pop out there

    Quote Originally Posted by Bigglezworth View Post
    Dave,

    $900 skins for a 2.5-3.0max job? That's criminal.

  17. #35
    Registered User LIRS6's Avatar
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    Quote Originally Posted by ttboost View Post
    I'm wondering if you can skip the thermostat for now (save it for your next timing belt job). Just do the Coolant sensor for now. Cheap and easy. See what happens. Just google "Audi RS6 coolant temperature sensor". You'' see the sensor, the clip and the O-ring..all for less than $20. It MIGHT take you 20 minutes to change yourself.
    I presume that I'll need to remove the airbox to access the coolant temp sensor - is it fairly straightforward to remove?
    Last edited by LIRS6; April 19th, 2014 at 00:27.
    GBNF: Mugello, silver, carbon, RNS-E, H&R coilovers, Hotchkiss
    '14 GL550
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  18. #36
    Registered User Corbett's Avatar
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    Coolant temp sensor will take you like 15 mins and costs like $30
    2004 Sportec RS600 + 6MT + e85
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