Page 5 of 8 FirstFirst 12345678 LastLast
Results 61 to 75 of 110

Thread: EATC o-ring repair - How to... with pics.

  1. #61
    Join Date
    May 2006
    Location
    Cherry Hill, NJ
    Age
    75
    Posts
    242
    Quote Originally Posted by gatlandc View Post
    This is an excellent repair blog, well done. I followed the instructions and now have cold air blowing on my face again.

    One question I haven't seen asked or answered is do you think this o-ring problem could lead to a lean running condition. I also have diagnostic code 171 and 174 up!
    Good question! But the answer is simple....

    For some time, the engineers have designed vacuum take-offs such that, in case of a leak, it won't seriously affect engine performance. It's not impossible to happen, of course, but normally doesn't.
    - Randy

    2004 MM (Wine Red [it looks like wine to me!])
    XCal2/Blue Oval Chips Programming

    1996 Impala SS (12.45 NA)

  2. #62
    Join Date
    Jan 2004
    Location
    Somewhere in the N.C. Triangle
    Age
    68
    Posts
    26,260
    Quote Originally Posted by gatlandc View Post
    One question I haven't seen asked or answered is do you think this o-ring problem could lead to a lean running condition. I also have diagnostic code 171 and 174 up!
    No, there is such a small loss of vacuum that it doesn't affect the engine. There is also a vacuum reservoir, the flat square box on the left inner fender.
    “When you can’t make them see the light, make them feel the heat.”
    Ronald Regan

    "The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
    is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."

    Lt. Colonel Ralph Peters

    “Be polite, be professional, but have a plan to kill everybody you meet.”
    "I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
    General James Mattis




  3. #63
    Join Date
    May 2009
    Location
    Alexandria
    Age
    48
    Posts
    321
    So if my max a.c. only blows out of the defrost but on regular a.c it does come out of the vents then the o-rings would be my problem also?

  4. #64
    Join Date
    Jan 2004
    Location
    Somewhere in the N.C. Triangle
    Age
    68
    Posts
    26,260
    Quote Originally Posted by Reek09 View Post
    So if my max a.c. only blows out of the defrost but on regular a.c it does come out of the vents then the o-rings would be my problem also?
    Very possibly......
    “When you can’t make them see the light, make them feel the heat.”
    Ronald Regan

    "The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
    is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."

    Lt. Colonel Ralph Peters

    “Be polite, be professional, but have a plan to kill everybody you meet.”
    "I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
    General James Mattis




  5. #65
    Join Date
    Mar 2003
    Location
    Levittown,NY
    Age
    48
    Posts
    497
    Anybody got some o-rings they can send me?
    Daily Driver
    300A born 8/07/02
    achieved 2/1/03

  6. #66
    Join Date
    Sep 2010
    Location
    Newport, RI
    Age
    61
    Posts
    956
    Quote Originally Posted by tbore007 View Post
    Anybody got some o-rings they can send me?
    Send me a PM with address.
    2004 DTR
    Born 9/25/2003 Adopted Aug 11, 2010
    #175 of 980 DTR, #537 of 3,214 2004

    Lidio Tune, K&N CAI, 4.10s, FlowMaster40s, SS Braided brake lines, SS Bumper Inserts, Mach 1 Chin Spoiler, Lip Spoiler, Grill & Trunk Badges by Daniel, Audiophile 6L8T18C815FD.



  7. #67
    Join Date
    Jul 2011
    Location
    Auburn, MA
    Posts
    81
    i just did this repair, after sitting on the o-rings for about 2 years LOL I had the typical 'air out of defrost/feet only' problem.

    Worked GREAT! thank you so much for the pics. The first 3 I pulled, the rings looked fine, and felt fine, so I was kind of worried, but the last one I pulled the ring looked ok but was brittle. Replaced all 4, and I have a fully working EATC now for about a $5 and 45min investment. Thank you very much for this detailed and awesome post!

    EDIT: if anyone needs O-rings, especially local to new england, I have a bag of them, just PM me and I can probably hook you up.
    Last edited by scolazz; 06-09-2014 at 11:40 AM.

  8. #68
    Join Date
    Dec 2003
    Location
    New York, USA
    Age
    61
    Posts
    3,432
    I know that dielectric grease was used on your repairs.
    Has anyone used SILICONE OIL ??
    It is very light and you only probably need a drop
    on each o-ring after installation.
    Pete...


    2k04 BLACK Mercury Marauder 300A #810 of 3223
    DOB 10/31/2003
    DOP 1/2/2004
    2k19 AGATE FORD Edge ST with Performance Brakes
    DOB 12/11/2018
    DOP 6/19/2019

    Water Wetter, K&N AirCharger/Drycharger, SS Inserts,
    SilverStar 9007SU, WeatherTech WeatherFlectors, Steering Wheel Badge,
    AutoMeter Gauges (Oil Press, Voltmeter, and Trans Oil Temp),
    ASC 840 VSS Sunroof, Kenwood KFC-C6879ie x4, COBRA Fender Badges,
    Z&M Rear Control Arms, FORD GT Coil Covers,
    Gorilla Lock Lugs all around, Decklid Designs Trunk Lid Liner,
    SCT Xcalibrator2 (Innovative Interceptors) w/Lidio's (Alternative Automotive) Marauder 3.55 tuning,
    4R75W by Fred Brown's Performance Transmission, tuned to match Lidio's tune,
    DG Motorsports Carbon Fiber Radiator Cover, Zack's Badgeless Grille,
    Accel 140034-8 Coil Packs, Granatelli Motorsports Coil-On-Plug wires
    Even though I walk through the valley of the shadow of rice,
    I will fear no turbo for displacement is with me.

  9. #69
    Join Date
    Jun 2010
    Location
    essextrash, maryland
    Age
    39
    Posts
    2,829
    I would assume silicone grease, like plumbers grease would work better by staying in place and not running off the rings. Silicone grease can be bought at home depot or lowes, in the plumbing section.

  10. #70
    Join Date
    Dec 2009
    Location
    Earth
    Posts
    8,032
    Mine just went bad again. Replaced the o rings but did not work this time. Worked on the last one I did. I think I used ones that are too big or something else went wrong.

    Does anyone have 4 of the synthetic ones they could spare?

  11. #71
    Join Date
    Dec 2003
    Location
    New York, USA
    Age
    61
    Posts
    3,432
    Anyone know of a supplier for the Vacuum Valve Body ?

    I followed your suggestions and repaired my own EATC.
    I did not see anything wrong with the o-rings but I replaced them anyway
    and coated them all with dielectric grease.
    Now it blows out of all the vents where it is supposed to.

    I DID see some hairline cracks in the valve body so I put a coat of Dielectric grease
    on the valve body to try and seal the cracks if they were leaking at all.

    Last edited by MENINBLK; 07-01-2014 at 09:46 AM.
    Pete...


    2k04 BLACK Mercury Marauder 300A #810 of 3223
    DOB 10/31/2003
    DOP 1/2/2004
    2k19 AGATE FORD Edge ST with Performance Brakes
    DOB 12/11/2018
    DOP 6/19/2019

    Water Wetter, K&N AirCharger/Drycharger, SS Inserts,
    SilverStar 9007SU, WeatherTech WeatherFlectors, Steering Wheel Badge,
    AutoMeter Gauges (Oil Press, Voltmeter, and Trans Oil Temp),
    ASC 840 VSS Sunroof, Kenwood KFC-C6879ie x4, COBRA Fender Badges,
    Z&M Rear Control Arms, FORD GT Coil Covers,
    Gorilla Lock Lugs all around, Decklid Designs Trunk Lid Liner,
    SCT Xcalibrator2 (Innovative Interceptors) w/Lidio's (Alternative Automotive) Marauder 3.55 tuning,
    4R75W by Fred Brown's Performance Transmission, tuned to match Lidio's tune,
    DG Motorsports Carbon Fiber Radiator Cover, Zack's Badgeless Grille,
    Accel 140034-8 Coil Packs, Granatelli Motorsports Coil-On-Plug wires
    Even though I walk through the valley of the shadow of rice,
    I will fear no turbo for displacement is with me.

  12. #72
    Join Date
    Jan 2004
    Location
    Somewhere in the N.C. Triangle
    Age
    68
    Posts
    26,260
    Quote Originally Posted by MENINBLK View Post
    Anyone know of a supplier for the Vacuum Valve Body ?

    I followed your suggestions and repaired my own EATC.
    I did not see anything wrong with the o-rings but I replaced them anyway
    and coated them all with dielectric grease.
    Now it blows out of all the vents where it is supposed to.

    I DID see some hairline cracks in the valve body so I put a coat of Dielectric grease
    on the valve body to try and seal the cracks if they were leaking at all.

    If you take a close look at the o-rings you will see that they are square not round as they should be.

    Use silicone dielectric grease. Silicone oil will not work.

    Since the air is coming out where it needs to the valve body is not cracked. You probably saw the cast marks.

    I highly doubt you'll find a valve body anywhere.

    To fix a leaking valve body:

    1. Remove the solenoids and wiring from the valve body.
    2. Since you put the silicone grease on it, clean it really really good to get rid of all the silicone grease.
    3. Get some 5 minute epoxy
    4. Mix the epoxy
    5. Fill the void in the top and bottom of the valve body with the epoxy (obviously you need to do one side at a time)
    6. Don't get any epoxy inside the valve body.
    7. Reassemble the solenoids after the epoxy is dry
    “When you can’t make them see the light, make them feel the heat.”
    Ronald Regan

    "The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
    is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."

    Lt. Colonel Ralph Peters

    “Be polite, be professional, but have a plan to kill everybody you meet.”
    "I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
    General James Mattis




  13. #73
    Join Date
    Dec 2003
    Location
    New York, USA
    Age
    61
    Posts
    3,432
    Can you just use clear nail polish to do the same thing ?
    Pete...


    2k04 BLACK Mercury Marauder 300A #810 of 3223
    DOB 10/31/2003
    DOP 1/2/2004
    2k19 AGATE FORD Edge ST with Performance Brakes
    DOB 12/11/2018
    DOP 6/19/2019

    Water Wetter, K&N AirCharger/Drycharger, SS Inserts,
    SilverStar 9007SU, WeatherTech WeatherFlectors, Steering Wheel Badge,
    AutoMeter Gauges (Oil Press, Voltmeter, and Trans Oil Temp),
    ASC 840 VSS Sunroof, Kenwood KFC-C6879ie x4, COBRA Fender Badges,
    Z&M Rear Control Arms, FORD GT Coil Covers,
    Gorilla Lock Lugs all around, Decklid Designs Trunk Lid Liner,
    SCT Xcalibrator2 (Innovative Interceptors) w/Lidio's (Alternative Automotive) Marauder 3.55 tuning,
    4R75W by Fred Brown's Performance Transmission, tuned to match Lidio's tune,
    DG Motorsports Carbon Fiber Radiator Cover, Zack's Badgeless Grille,
    Accel 140034-8 Coil Packs, Granatelli Motorsports Coil-On-Plug wires
    Even though I walk through the valley of the shadow of rice,
    I will fear no turbo for displacement is with me.

  14. #74
    Join Date
    Jan 2004
    Location
    Somewhere in the N.C. Triangle
    Age
    68
    Posts
    26,260
    Quote Originally Posted by MENINBLK View Post
    Can you just use clear nail polish to do the same thing ?
    Try it but I doubt it will work.
    “When you can’t make them see the light, make them feel the heat.”
    Ronald Regan

    "The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
    is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."

    Lt. Colonel Ralph Peters

    “Be polite, be professional, but have a plan to kill everybody you meet.”
    "I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
    General James Mattis




  15. #75
    Join Date
    May 2006
    Location
    Cherry Hill, NJ
    Age
    75
    Posts
    242
    Quote Originally Posted by MENINBLK View Post
    Can you just use clear nail polish to do the same thing ?
    As Jim as noted above - not a likely solution. You have to remember that the type of plastic used in this valve system is designed to be used "bare." That is, the O-rings used inside the valve make (an otherwise) good seal using the natural surface of the plastics. It is also rigid for support purposes (of the solenoid valves). That rigidity also contributes to its one flaw - that it can hide hair-line fractures during the manufacturing process, which, upon hot and cold cycles, become exposed.

    Those same hot/cold cycles also play havoc with the o-ring seals as well.

    From all I have seen over the last several years of this problem, here, on this forum, the vast majority of the problem are indeed the O-rings. The rest seem to fall into the cracked valve body problem.

    I have examined about 10 of these valve bodies so far, locally, for friends with "the problem." Seven needed o-ring replacement, the rest were valve body cracks. What started this "quest" for me was finding that the O-rings did nothing, and I drove Jim nuts trying to help me. I guess the engineer got the better of me after a while, and it took a bit of doing to hook up vacuum pumps and other accessories to ferret out the cracked valve body.
    Worse yet, I found that the valve body could not be repaired using conventional means of gluing, due to the type of plastic used. Double-worse yet, some of the cracks I found in the other valve bodies were not external, but rather internal, meaning no amount of adhesive would matter.

    Bottom line - if you have a cracked valve body, your choice is replacement. Ipso facto!
    - Randy

    2004 MM (Wine Red [it looks like wine to me!])
    XCal2/Blue Oval Chips Programming

    1996 Impala SS (12.45 NA)

Page 5 of 8 FirstFirst 12345678 LastLast

Thread Information

Users Browsing this Thread

There are currently 2 users browsing this thread. (0 members and 2 guests)

Similar Threads

  1. EATC Repair
    By fastblackmerc in forum Marauder Innovations
    Replies: 25
    Last Post: 06-18-2015, 04:43 AM
  2. Eatc repair success
    By marauder410 in forum Shop Talk
    Replies: 3
    Last Post: 06-06-2012, 01:19 AM
  3. Eatc repair??
    By biggeorge04 in forum Shop Talk
    Replies: 6
    Last Post: 09-23-2011, 10:10 PM
  4. EATC Repair
    By PonyUP in forum Southern Marauders
    Replies: 52
    Last Post: 06-28-2011, 06:13 PM
  5. Did the O-ring EATC repair...few questions.
    By 68Camaro in forum Shop Talk
    Replies: 5
    Last Post: 05-14-2010, 07:48 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •