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  • Member
  • Member For: 18y 3m 24d
  • Gender: Male
  • Location: QLD

Just want to know if loctite 5900 is the only option for sealing rear main cap as specified by ford.

I would not mine using it if could purchase in tube and not

Cartridge which I have been quoted $75 dollars for.

Concidering only need 2 small beads and won't have use for it for years to come unless I have engine failure or build another for someone else.

So if can purchase smaller quantity or equivalent let me know.

Let me know if you have used another brand successfully.

If anyone has some 5900 local to Logan city QLD I can pinch 2 beads from it would be appreciated.

Will even chuck in a 6 pack for it.

  • Member
  • Member For: 14y 5m 24d

Mate if you're talking about sealing the face of the rear cap to the block use Hylomer imported here from ACL. It blue liquid that that you brush on. Look it up. This is what Atomic uses on their engines. I recently used it aswell and have no problems.

  • Moar Powar Babeh
  • Lifetime Members
  • Member For: 19y 7m 15d
  • Gender: Male
  • Location: Perth

Hylomar is the schizzle, if its good enough for rolls royce automotive and aero engines its good enough for ours!

  • Moar Powar Babeh
  • Lifetime Members
  • Member For: 19y 7m 15d
  • Gender: Male
  • Location: Perth

Apply too both surfaces, let it tack off then fit. good as gold. Caterpillar non hardening sealant it also excellent for main caps. About $7 a tube if your near a cat dealer

  • Member
  • Member For: 18y 3m 24d
  • Gender: Male
  • Location: QLD

Spoolxr6 yes that's the spot, between main cap 7 and block.

I have pressure pack can of the acl hylomer

Is it same stuff as the brush on or is the brush on more suited for any reason.

Is there different grades or is it all the same.

  • Member
  • Member For: 14y 5m 24d

Exactly the same mate. Just spray it in a plastic cap and brush it on both surfaces. Let it tack and assemble. Use an OEM rear main as well as I used an aftermarket and had to pull the box out sdtraight away.

  • Member
  • Member For: 18y 3m 24d
  • Gender: Male
  • Location: QLD

Thanks again for all the help.

Last thing wanting to do is pull the engine or box out

Again after having it off the road for so long to fix

A dam oil leak.

I am using Permaseal gaskets hope the rear main seal is as good as the oem seal.

Maybe I should also find out weather I should be using the

Hylomer with the mls head gasket.

Probably not as it may have a bonding coat already but will contact Permaseal to see what they say.

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