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95 Cobra R Lower Radiator Hose Petcock leaking
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<blockquote data-quote="Cobra Jet" data-source="post: 16736424" data-attributes="member: 127353"><p>Based on your posts and images, it appears the seepage is coming from the threaded insert of the “T” where you have inserted the drain **** valve. If liquid Teflon is not sealing those threads, coolant will seep past the threads. Teflon tape may work better, but you will have to do multiple layers and even then, there’s no guarantee the coolant would not seep past the Teflon tape. The Right Stuff should seal that problematic area only if you apply it as I posted above for you. The Right Stuff would exceed the properties and function of the Ford Motorcraft sealant.</p><p></p><p>IF the leak is not coming from within and past the threads in the T, then you have to look for a fracture on the T-fitting itself. As was suggested a radiator shop may be able to pressurize that part and find any cracks in it. If the T is cracked, you could use a number of products that will seal cracks in plastic piping. One such product I can think of is the black ABS pipe glue found in Lowes or Home Depot. You would have to know where the crack is on the T, apply the glue over it, let it thoroughly dry and apply a 2nd coat again and let it dry. The ABS glue will dry rock hard and be just as strong as the pipe (T) itself.</p><p></p><p>Replacing the drain **** valve is one thing, or sealing it with The Right Stuff. However it’s a completely different issue IF that plastic T has a fracture in it, and is seeping over the drain **** valve - giving the appearance that the leak is coolant seeping past the threads from the inside out. Hard to tell from your images.</p></blockquote><p></p>
[QUOTE="Cobra Jet, post: 16736424, member: 127353"] Based on your posts and images, it appears the seepage is coming from the threaded insert of the “T” where you have inserted the drain **** valve. If liquid Teflon is not sealing those threads, coolant will seep past the threads. Teflon tape may work better, but you will have to do multiple layers and even then, there’s no guarantee the coolant would not seep past the Teflon tape. The Right Stuff should seal that problematic area only if you apply it as I posted above for you. The Right Stuff would exceed the properties and function of the Ford Motorcraft sealant. IF the leak is not coming from within and past the threads in the T, then you have to look for a fracture on the T-fitting itself. As was suggested a radiator shop may be able to pressurize that part and find any cracks in it. If the T is cracked, you could use a number of products that will seal cracks in plastic piping. One such product I can think of is the black ABS pipe glue found in Lowes or Home Depot. You would have to know where the crack is on the T, apply the glue over it, let it thoroughly dry and apply a 2nd coat again and let it dry. The ABS glue will dry rock hard and be just as strong as the pipe (T) itself. Replacing the drain **** valve is one thing, or sealing it with The Right Stuff. However it’s a completely different issue IF that plastic T has a fracture in it, and is seeping over the drain **** valve - giving the appearance that the leak is coolant seeping past the threads from the inside out. Hard to tell from your images. [/QUOTE]
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95 Cobra R Lower Radiator Hose Petcock leaking
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