cs916 Posted April 12, 2004 Report Share Posted April 12, 2004 Hello, For those that have the 3.4l dohc engine with the o-ring leak: has anyone taken the engine apart and looked at that o-ring? Did it still look good, or was it shredded? If it still at least looked good, I found a product http://auto-rx.com/ that claims to slowly clean the inside of the engine, and recondition the seals. There's also a forum on oils that I read. http://theoildrop.server101.com/cgi/ultimatebb.cgi Just go down to the 'Additives, fuel, oil, cleaners' part, and look for anything with "AutoRx" in the title. Lots of info from people that have actually used it. It might work. What does everyone here think? Kurt Quote Link to comment Share on other sites More sharing options...
Waterboy Posted April 12, 2004 Report Share Posted April 12, 2004 I found this but not much else. Patent #: 6544349 Issue Dt: 04/08/2003 Application #: 09714773 Filing Dt: 11/16/2000 Title: METHOD FOR IN SITU CLEANING OF MACHINE COMPONENTS I have no idea what "in situ" means. Quote Link to comment Share on other sites More sharing options...
93GTP Posted April 12, 2004 Report Share Posted April 12, 2004 My car had the oil leak, and I did scrap the engine to fix it. It wasn't shredded, but it had turned as hard as steel from all the heat overtime... There really is no conditioning to make that seal come back, when it starts to leak you're pretty much screwed... Better off using the mag-lite fix. Quote Link to comment Share on other sites More sharing options...
Waterboy Posted April 12, 2004 Report Share Posted April 12, 2004 Better off using the mag-lite fix. Please explain... Quote Link to comment Share on other sites More sharing options...
93GTP Posted April 12, 2004 Report Share Posted April 12, 2004 Some people have used a maglite o-ring to fix the leak. What they do is unbolt the oil pump drive bracket, and lift up the the oil pump drive and slip the o-ring between the drive and the block surfaces. Then just nbolt it back up. Apparently it works pretty good. You can find more and better info on it im sure using the forum search. Quote Link to comment Share on other sites More sharing options...
Waterboy Posted April 13, 2004 Report Share Posted April 13, 2004 Thank you for that explanation. I did read that someone wrote out a full page as a step by step. Thank you to that person as well. Quote Link to comment Share on other sites More sharing options...
GnatGoSplat Posted April 13, 2004 Report Share Posted April 13, 2004 Yeah, the O-ring becomes brittle and hard. It's like plastic, and breaks into pieces when removing it. No way to soften that back up. I used the thin O-ring between the head and block trick, works great! It's not a Mag-lite O-ring though, but one I got from Pep Boys about 1/16" thick. I also used silicone gasket material under there for extra sealing power. I wouldn't bother to pull the head to fix that unless you planned to pull the head for some reason anyway. Quote Link to comment Share on other sites More sharing options...
crazychuck29 Posted April 13, 2004 Report Share Posted April 13, 2004 where do i look for this o-ring leak? Quote Link to comment Share on other sites More sharing options...
Waterboy Posted April 13, 2004 Report Share Posted April 13, 2004 Stand while facing the front of the engine. Your left is the firewall, your right is the front end. At the end where the block meets the transaxle and where the lower intake meets the block under the throttle body on that flat area a little bit left of center. This is where a distrubutor would be if there was one. Are you there yet? Quote Link to comment Share on other sites More sharing options...
regalized Posted April 17, 2004 Report Share Posted April 17, 2004 does anyone have a pic of the o ring sand what it is suppossed to look like, i got one from car quest and i dont think its the right one, i think the guy guessed...please send a pic..thanks Regalized Quote Link to comment Share on other sites More sharing options...
Waterboy Posted April 17, 2004 Report Share Posted April 17, 2004 Have you been here yet? http://www.w-body.com/service/oil-pump-seal.html The one I got for my 3.1 was p/n GM10477565. They are kinda brown/tan looking. My cost was $1.00 each. I have not installed yet. I remember seeing someone posted some pics. Do a search. Hope this helps ya'. Quote Link to comment Share on other sites More sharing options...
NiteFall Posted April 21, 2004 Report Share Posted April 21, 2004 that engine restore stuff dosent work at all... Quote Link to comment Share on other sites More sharing options...
cs916 Posted April 22, 2004 Author Report Share Posted April 22, 2004 that engine restore stuff dosent work at all... Have you tried it? Quote Link to comment Share on other sites More sharing options...
regalized Posted April 27, 2004 Report Share Posted April 27, 2004 ok on the 3.1's do you have to pull the throttle body off? and if not how do i get the blot off ? Quote Link to comment Share on other sites More sharing options...
per0781 Posted April 27, 2004 Report Share Posted April 27, 2004 ok on the 3.1's do you have to pull the throttle body off? and if not how do i get the blot off ? I pulled my TB off to replace the o ring. More room to access it the better. Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted April 28, 2004 Report Share Posted April 28, 2004 On a 3.1 pull the Throttle body and unhook the fuel lines. Makes a alot of room to do it. BTW, when pulling the dist. shaft out of the block twist it and it'll come out easier. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.