Toyspeed.org.nz Message Board

by **TRD_ZERO** » Thu Nov 05, 2009 4:53 pm

Im wanting to seal the threads on my fittings on the braided lines to oil cooler. What do i use? Ive got this rtv silicon sealer that drys into a solidy form and i also have locktight master gasket. Would i be able to use any of these?

by **1I1** » Thu Nov 05, 2009 4:56 pm

Taperd thread i take it? I would have thought you would use thread tape (thats what i used on my oil temp and pressure sensors)

by **TRD_ZERO** » Thu Nov 05, 2009 5:02 pm

Im also wanting to use it on the threads for the fuel reg....i got told that thread tape isnt the best idea.

by **fivebob** » Thu Nov 05, 2009 5:05 pm

Use the appropriate Loctite Thread Sealant for the job.

by **allencr** » Sat Nov 07, 2009 8:56 am

TRD_ZERO wrote:i got told that thread tape isnt the best idea.

It's a good idea, you just can't wrap it all the way over the end so that bits & pieces of it will get chopped off & go to an injector.
Thread dope/sealant is for tapered pipe threads only, not flares & not the threads of flares.

by **GOLDAE86** » Sat Nov 07, 2009 10:50 am

If you are talking about the earls type fittings that attach to your cooler then they are to be replaced if they are leaking. The fittings have a taper seal and do not seal thru the threads.

by **TRD_ZERO** » Sat Nov 07, 2009 2:33 pm

GOLDAE86 wrote:If you are talking about the earls type fittings that attach to your cooler then they are to be replaced if they are leaking. The fittings have a taper seal and do not seal thru the threads.

Stupid question earl fittings? u mean those blue and red ones? Sorry i just dont know what they are called. No sealant required on them then.

by **evil_si** » Sat Nov 07, 2009 3:08 pm

IMO thread tape is best kept to hosue hold water plumbing,
its teflon and you can do them up a lot tighter than normal when over tightened it splays the actual fitting so they wont do up properly in the future, or sometimes even seal at all

any taper thread, ie npt, bsp you can use thread sealant,
these fittings seal on the actual thread, the thread is tapered so the tighter it goes the more contact the threads make.. to a certain extent,

examples of an npt fittings

any taper seal ie jic the actual taper seals, and the threads just hold it there, dont use any sealant, if the taper is damaged there are special graphite seals available that will help seal

example of a jic fitting

by **TRD_ZERO** » Sat Nov 07, 2009 4:08 pm

sweet answer evil_si ive got the jic fittings for the oil cooler. Thanks

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