DMNDSTAR87 Posted April 22, 2013 Report Share Posted April 22, 2013 .Replaced all sensors in the intake and I had used tape before with no issues but a buddy of mine swears by the sealing compound.What do you guys think and why?gig out Link to comment Share on other sites More sharing options...
Komeuppance Posted April 22, 2013 Report Share Posted April 22, 2013 I don't use any sealant or teflon. They are a tapered brass thread and seal just fine. -Robert Link to comment Share on other sites More sharing options...
Dad Posted April 23, 2013 Report Share Posted April 23, 2013 I never thread them in dry, either tape, oil, sealer. etc. 1 Link to comment Share on other sites More sharing options...
tux Posted April 23, 2013 Report Share Posted April 23, 2013 I use sealant . manual says to . Link to comment Share on other sites More sharing options...
Shelby Posted April 25, 2013 Report Share Posted April 25, 2013 rtv works great for coolant sealing , Link to comment Share on other sites More sharing options...
dmyers151 Posted April 25, 2013 Report Share Posted April 25, 2013 I've always taped them. Link to comment Share on other sites More sharing options...
TexasQuest Posted April 25, 2013 Report Share Posted April 25, 2013 Taped mine aswell. Link to comment Share on other sites More sharing options...
CarlosFley Posted July 15, 2014 Report Share Posted July 15, 2014 Sorry to bring this back from the underworld but my dad mentioned to me today about how Teflon tape will melt under the high temperatures of an engine bay, or a radiator, as we were speaking of. Problem now is I used Teflon tape on both my turbo oil feed, and ABS delete line. Please tell me I'll be fine (Unless I won't be, in which case do not refrain from telling me so) 1 Link to comment Share on other sites More sharing options...
RonnieJ Posted July 15, 2014 Report Share Posted July 15, 2014 ARP thread sealer Link to comment Share on other sites More sharing options...
CarlosFley Posted July 15, 2014 Report Share Posted July 15, 2014 ARP thread sealer So are you suggesting I remove the Teflon and use said thread sealer? Link to comment Share on other sites More sharing options...
RonnieJ Posted July 15, 2014 Report Share Posted July 15, 2014 Yes. Fuel and oil will get passed the tape. Link to comment Share on other sites More sharing options...
CarlosFley Posted July 15, 2014 Report Share Posted July 15, 2014 Goshdarn and it was such a freaking pain in the arse to put it on!!! Link to comment Share on other sites More sharing options...
jszucs Posted July 15, 2014 Report Share Posted July 15, 2014 Yes. Fuel and oil will get passed the tape. woooh wooh wooh..... I have never used tape or sealer on any type of fuel or oil lines. I always just got proper fittings and lines for fuel or oil applications. Link to comment Share on other sites More sharing options...
RonnieJ Posted July 15, 2014 Report Share Posted July 15, 2014 (edited) Older turbo oil feed/drain flanges come NPT and some companies still use NPT on fuel rails. I dont know why you would use them but they are out there. Ive seen lots of teflon on those types of fittings Edited July 15, 2014 by RonnieJ Link to comment Share on other sites More sharing options...
ucw458 Posted July 15, 2014 Report Share Posted July 15, 2014 Problem now is I used Teflon tape on both my turbo oil feed, and ABS delete line. Please tell me I'll be fine (Unless I won't be, in which case do not refrain from telling me so) Here's where 1, you don't have to do anything. And 2, facepalm. Brake lines and the stock turbo hard line are COMPRESSION fittings. Aftermarket AN fittings are also compression fittings. The threads do not seal the fitting. The corresponding cone shapes do the sealing. Teflon tape or any other thread sealer will do absolutely nothing to seal those fittings. Teflon tape will however make you look foolish to anyone who knows what they are looking at. The turbo hardline adapters at each end seal with a copper crush washer not the threads so you shouldn't use teflon tape there either.. You must be super careful with teflon tape and oil fittings. Any tape that gets into the oil passages can mess up bearing clearances and hurt bearings. Also if you ever remove said fitting you must pick out all the used teflon tape from the threads before putting it back together. Link to comment Share on other sites More sharing options...
ucw458 Posted July 15, 2014 Report Share Posted July 15, 2014 Yes. Fuel and oil will get passed the tape. No it wont. If you didn't put it together right then it will leak but it's not the tape's fault. I've used teflon tape on fuel, oil and water lines for decades with zero issues. Link to comment Share on other sites More sharing options...
RonnieJ Posted July 15, 2014 Report Share Posted July 15, 2014 If seen them leak on both through the tape over time. Who's know they could have been installed incorrectly but wasn't my car. I prefer AN and O-ring over NPT. Link to comment Share on other sites More sharing options...
CarlosFley Posted July 15, 2014 Report Share Posted July 15, 2014 Soooooo, it's safe, as long as carefully applied, but won't have any benefit on compression fittings and such? Link to comment Share on other sites More sharing options...
ucw458 Posted July 15, 2014 Report Share Posted July 15, 2014 Soooooo, it's safe, as long as carefully applied, but won't have any benefit on compression fittings and such? As long as it's not leaking and the fittings are tight you should be ok. Link to comment Share on other sites More sharing options...
CarlosFley Posted July 15, 2014 Report Share Posted July 15, 2014 Phew, I'll just have to wait and see but hope for the best. Thanks to everyone for their contribution of 2 cents to help feed a Nicaraguan child in need Link to comment Share on other sites More sharing options...
Starfighterpilot Posted July 25, 2014 Report Share Posted July 25, 2014 Here's where 1, you don't have to do anything. And 2, facepalm. Brake lines and the stock turbo hard line are COMPRESSION fittings. Aftermarket AN fittings are also compression fittings. The threads do not seal the fitting. The corresponding cone shapes do the sealing. Teflon tape or any other thread sealer will do absolutely nothing to seal those fittings. Teflon tape will however make you look foolish to anyone who knows what they are looking at. The turbo hardline adapters at each end seal with a copper crush washer not the threads so you shouldn't use teflon tape there either.. You must be super careful with teflon tape and oil fittings. Any tape that gets into the oil passages can mess up bearing clearances and hurt bearings. Also if you ever remove said fitting you must pick out all the used teflon tape from the threads before putting it back together. Great write up Jeff! Another place that I have seen people use teflon tape is on the radiator thermosensors' threads in the rad's bottom pan. The thermosensors have an oring which compresses/seals onto it's bung's flat mating surface. You just have to make sure that the oring isn't dinged (lube it with dielectric grease) and that the bung's mating sealing surface is clean. I use just a little Copper Neverseize on the rad thermosensor threads and the intake manifold sensors threads. I use a little Molybdenum Neverseize on all of the brake system's compression fittings threads, the turbo coolant banjo fittings' threads & turbo oil feed line compression fitting threads. Using the Neverseize makes it SO much easier to break the fittings/sensors loose - especially on the brake system. For What It's Worth. KEN Link to comment Share on other sites More sharing options...
Technology Posted July 25, 2014 Report Share Posted July 25, 2014 As long as it's not leaking and the fittings are tight you should be ok. This. I've used tape and liquid sealant. Both are ok. If it leaks, try again. Link to comment Share on other sites More sharing options...
Fuze Posted August 14, 2014 Report Share Posted August 14, 2014 I use teflon tape on pipe threaded fittings, even fuel. I have tried the liquid stuff once and it failed quickly on my FPR, since I taped the fittings they are dry as a bone with no leaks. Link to comment Share on other sites More sharing options...
Tim_C. Posted August 30, 2014 Report Share Posted August 30, 2014 Actually, no, it isn't 'safe' to use Teflon tape on compression fittings, and it will most likely leak and especially if the tape disintegrates. Compression fittings are a straight thread and require the threads to simply pull the compression tighter to seal the fitting. The tape is preventing a good seal due to the threads will not draw the compression down as far as without tape. GET IT OUT OF THERE! Especially your brake line fittings. Pipe thread (tapered)uses the threads to seal the fitting, so you must use some type of sealer on them. There is a really good teflon dope that seals very well too and has a higher temperature rating. Link to comment Share on other sites More sharing options...
Recommended Posts