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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / September 200596 chevy truck radiator
I took the radiator out to have a leak fixed. Put it back in. The lower oil cooler line as I was tightening it felt like it was "striped" I took it out and it seemed to tighten when I put it back in but now I am worried about it. I drove it about 20 miles today with no problems. Does anyone know the sizr of the thread? I am thinking of purchasing a tap to clean the threads. Or should I just leave it alone? > I took the radiator out to have a leak fixed. Put it back in. The lower > oil cooler line as I was tightening it felt like it was "striped" I [quoted text clipped - 5 lines] > Does anyone know the sizr of the thread? I am thinking of purchasing a > tap to clean the threads. Or should I just leave it alone? I would not screw around with it given that it tightened up. You are asking for trouble and will find it. Keep an eye on it for a while. Maybe keep an emergency bypass hose around. Forget that last sentence. I just like to be overly prepared. I only tightned it with a cresent wrech very ligthly. What I am afraid of is it might be cross threaded and eventually pop off. > > I took the radiator out to have a leak fixed. Put it back in. The lower > > oil cooler line as I was tightening it felt like it was "striped" I [quoted text clipped - 10 lines] > Maybe keep an emergency bypass hose around. Forget that last sentence. > I just like to be overly prepared. It is pressurized oil in there. If it was cross threaded, it would be just puking oil out. Crescent wrenches usually start to slip on fittings so the wrench grab itself can feel strange like something is going to give.... Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's > I only tightned it with a cresent wrech very ligthly. What I am afraid > of is it might be cross threaded and eventually pop off. [quoted text clipped - 13 lines] > > Maybe keep an emergency bypass hose around. Forget that last sentence. > > I just like to be overly prepared. Mike Romain <romainm@sympatico.ca> writes in article <43299835.D3ABC17E@sympatico.ca> dated Thu, 15 Sep 2005 11:50:13 -0400: >It is pressurized oil in there. If it was cross threaded, it would be >just puking oil out. That would be true if the thread was the seal, but I have never seen that design in plumbing or autos. Even something like an oil drain plug has threads with extra space around them so it will turn easily. The actual seal is where the inside of the bolt head contacts the oil pan. The nut on the oil line is there to provide pressure to hold the smooth interior fitting against the nub it joins to. >Crescent wrenches usually start to slip on fittings so the wrench grab >itself can feel strange like something is going to give.... That's true. There's definitely something to be said for having a set of line wrenches. Still, I think he has a valid concern about the thing popping off its bad threads, as well as the dilemma of whether or not to mess with it. If it were me I think I'd check by shaking the line by hand, then start it up and see if I caused a leak. >> I only tightned it with a cresent wrech very ligthly. What I am afraid >> of is it might be cross threaded and eventually pop off. -- spud_demon -at- thundermaker.net The above may not (yet) represent the opinions of my employer. My thought was if cross threaded, the seal wouldn't bottom. That is what I have seen on those type in the past, oil comes out fast. Your test is right, but I would expect oil evidence. Mike > Mike Romain <romainm@sympatico.ca> writes in article <43299835.D3ABC17E@sympatico.ca> dated Thu, 15 Sep 2005 11:50:13 -0400: > >It is pressurized oil in there. If it was cross threaded, it would be [quoted text clipped - 25 lines] > -- spud_demon -at- thundermaker.net > The above may not (yet) represent the opinions of my employer. I kind of shook it. Nothing came out. > Mike Romain <romainm@sympatico.ca> writes in article <43299835.D3ABC17E@sympatico.ca> dated Thu, 15 Sep 2005 11:50:13 -0400: > >It is pressurized oil in there. If it was cross threaded, it would be [quoted text clipped - 25 lines] > -- spud_demon -at- thundermaker.net > The above may not (yet) represent the opinions of my employer. stryped@hotmail.com writes in article <1126817271.659709.283720@f14g2000cwb.googlegroups.com> dated 15 Sep 2005 13:47:51 -0700: >I kind of shook it. Nothing came out. If you shook it as hard as you expect your driving to shake it, and it held, I'd say leave it alone and call it fixed. Make sure whoever drives it knows to pull over and turn the engine off if the oil light comes on, just in case. Sorry I don't know what size those threads are. -- spud_demon -at- thundermaker.net The above may not (yet) represent the opinions of my employer. > stryped@hotmail.com writes in article <1126817271.659709.283720@f14g2000cwb.googlegroups.com> dated 15 Sep 2005 13:47:51 -0700: > >I kind of shook it. Nothing came out. [quoted text clipped - 8 lines] > -- spud_demon -at- thundermaker.net > The above may not (yet) represent the opinions of my employer. He can't and will not leave it alone. The thought of that line popping off will haunt him until he makes it come off. Even if there is nothing wrong with the threads he is determined to back that line in and out until he does strip it. Heck, the radiator shops have to make a living too. > stryped@hotmail.com writes in article > <1126817271.659709.283720@f14g2000cwb.googlegroups.com> dated 15 Sep [quoted text clipped - 10 lines] > -- spud_demon -at- thundermaker.net > The above may not (yet) represent the opinions of my employer. i assumed he was dealing with trans cooler lines?? and if thats the case there will be no lamp warning.........kjun Does anyone know what size these threads are? As far as the threads you could measure them and count threads. That's easily done. Or you could go to NAPA or other parts store and measure the replacement. Or the book there might show the size. Or you could take the replacement radiator at the store and match a line to that to discover the thread size. I know it would be easier if someone here just told you a size. However, I'd feel better seeing it in person. |
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